Supply Chain Management in Prefabricated Construction: An ...43 Supply Chain Management in...
Transcript of Supply Chain Management in Prefabricated Construction: An ...43 Supply Chain Management in...
43
Supply Chain Management in Prefabricated
Construction: An Overview of a Developed
Conceptual Framework
Xialing Leu1 Kumara Ashoka2 1College of Civil Engineering, Nanjing Tech University, Nanjing 211816, China
2Faculty of Management, UVA Wellassa University, Badulla, Sri Lanka
Abstract: Prefabricated construction (PC) have attracted increasing research
attention worldwide due to their advantages such as high construction
efficiency, short construction period, low labor cost and low energy
consumption. Supply chain management is closely related to the application
efficiency of PC, but only in the last three years has this interdisciplinary
research received due attention. The global research network in the field of
prefabricated construction supply chain management (PCSCM) have not been
systematically reviewed so far. Especially in the recent three years, there has
been an explosive growth of relevant literature. In this paper, the method of
combining scientometrics analysis and thematic discussion was adopted to
systematically review 152 important literatures from 2001 to 2018, aiming to
provide a holistic understanding of the status in quo, trends and gaps of
PCSCM research, and further analyze the prominent problems. The study
constructed four kinds of visualized bibliographic information maps for the
publication distribution across journals, co-occurrence of keywords, co-
authorship analysis, and citation of articles. Then, the four themes summarized
by clustering were discussed, mainly focusing on strategic research and project
evaluation, PC supply chain process design and optimization, supply chain
integration and management, and application of advanced technology. Finally,
the research gaps and conceptual development framework to promote PCSCM
were reported. This study contributes to grasping the research and development
of PCSCM on the whole, and can also serve as an explorative manual to
support PCSCM activities and innovative research.
ISSN 1816-6075 (Print), 1818-0523 (Online)
Journal of System and Management Sciences
Vol. 9 (2019) No. 2, pp. 43-80
DOI:10.33168/JSMS.2019.0203
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Keywords: Prefabricated Construction; Supply Chain Management;
Literature review; Bibliometric analysis; Thematic analysis; Conceptual
Framework
1. Introduction
Prefabricated construction (PC), a sustainable construction method, has the
advantages of low safety risks, high production efficiency, low cost and high
energy saving compared with the on-site construction (Han & Wang, 2018). PC
was widely developed in Europe after World War II during the construction
industrialization boom (Wu and Feng, 2014). Subsequently, the United States,
Canada Australia and other countries began to research and implement PC
(Goulding et al., 2014). In the last decade, Asian countries, such as China, South
Korea and Singapore, have also put forward the PC development model and
technology system suitable for their own needs (Sutrisna and Goulding, 2019;
Ahmed, 2018). At present, the application density of prefabricated structures in
the United States, the United Kingdom, South Korea and China was 40%, 50%,
35% and 30%, respectively (Khalili and Chua, 2014). PC has become a new
direction and way for the construction industry to cope with the severe shortage
of labor, environment and social resources.
PC technologies such as design, production and assembly have been relatively
perfect (Wang et al., 2016). However, problems in the transportation and storage
of component (Polat et al., 2010), schedule control (Shin et al., 2011; Ahmed et
al. 2018) and information transmission (Wang & Hu, 2018) have exposed and
become obstacles restricting project achievements. Management level, especially
PC supply chain management (PCSCM), has become a critical factor restricting
the popularization and development of PC (Zhai et al., 2018; Ahmed, 2019).
A great deal of research has made great contribution to the development of PC.
They are mainly carried out from three aspects: performance and construction
technology of prefabricated components, obstacles and drivers for prefabrication
buildings and PC and management and performance of PC (Jaillon and Poon,
2014; Ahmed and Sobuz, 2019). From several important literature reviews in PC
field, it can be found that technology is still an important topic in PC research,
and PCSCM also plays an irreplaceable role in promoting the success of PC
project (Chang et al., 2018).. However, there is no independent complete
literature systemically evaluate the nature, influence, contribution and existing
problems of PCSCM. To bridge these gaps, the study tries to make a review of
the current situation, trend, emphasis and gap of PCSCM by combining
bibliometrics evaluation and system review. This paper aims to analyze three
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problems existing in PCSCM research process: (i) Statistical characteristics of the
literature; (ii) Key research topics of PCSCM; (iii) Research gaps and agendas;
and ;(iv) Further obtain a research framework of promoting PCSCM. The findings
contribute to obtain accurate and complete information about PCSCM research
and provide insights into current academic fields, research frontiers and emerging
trends.
2. A Brief Review of PC research
The whole process of PC, firstly defined by United Nations Department of
Economic and Social Affairs in 1974, includes manufacturing and preassembling
a certain number of building components, modules and components, and shipping
them to the construction site for installation (Höök et al., 2008). The biggest
difference between PC and traditional site construction is that the process and
scope of construction management extend to the production source of
components. The supply process which was not so important to the site
construction becomes the key work of PC. A lot of research has promoted the
implementation and promotion of PC. Several literature reviews summarize and
analyze the development and research trend of PC, focusing on the construction
and production technology, as listed in Table 1.
Table 1: Previous literature reviews
Authors Object of
study
Article
number Topics
Li et al.
(2014)
PC
Management 100
Industry prospect; environment for
technology application; design,
production, transportation and
assembly strategies; performance
evaluation
Mostafa et al.
(2016)
Offsite
construction 62
Offsite barriers and drivers; the
integration of lean and agile
principles; simulation
Boafo et al.
(2016) Modular prefab 146
The performance of modular prefab
considering acoustic constrain,
seismic resistance, thermal behavior,
energy consumption; life cycle
analysis
Kamali &
Hewage (2016)
Modular
construction 104
Sustainability dimensions assessment
(i.e., environmental, economic, and
social)
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Hosseini et al.
(2018)
Offsite
construction 501
The product and technology of off-site
construction
Jin et al.
(2018)
Offsite
construction 349
Management practices; process;
product; performance; research
method; technology
From Table1, four main aspects of PC research can be summarized.
Performance and construction technology of prefabricated components.
Compared to site construction, PC has the advantages of lower safety hazard,
higher production efficiency, lower cost and higher energy saving (Cavaco et al.,
2018). The production and installation technology of prefabricated components
is quite mature (Ji et al., 2018). Modular and standardized component design is
basically realized (Huuhka et al., 2015). Bearing capacity, rigidity, ductility,
waterproofness and construction technology of connection points of prefabricated
components are the mainstream of research. (KIM et al., 2016). The seismic
performance of connections still needs to be further studied (Vaghei et al., 2017).
Prefabrication buildings and PC development obstacles and drivers.
Generally speaking, PC has gained good market acceptance. Policies and
regulations, technological innovation, industrial layout and other aspects all show
the market potential and driving force of PC. However, the application of PC is
still subject to local government policy preferences (Mao et al., 2015), high
upfront investment (Zhan et al., 2014), a lack of highly skilled workers (Mostafa
et al., 2016) and insufficient transportation supply capacity (Jaillon et al., 2014),
leading some to argue that PC performance, while good, is not the best choice.
The implementation management of PC.
Many researches focus on the life cycle management of prefabricated buildings,
and systematically study the prefabricated buildings from the aspects of
organizational mode (Feng et al., 2017), contract management (Yang et al., 2018),
and cooperative innovation (Ismail et al., 2017). Although the PC technology has
been developed relatively mature, its actual performance does not have a
significant advantage over the traditional building, which is largely related to its
weak organizational coordination and management ability in the implementation
(Schoenwitz et al., 2016).
Transportation and Supply chain management.
Supply chain management promotes strategic cooperation among participants
by integrating product flow, information flow, capital flow and decision flow in
the circulation process to realize value added (Zhang et al., 2013). Koskela et al.
(1990) have long proposed the concept of supply chain management. Until the
last three years, this interdisciplinary research has received its due attention in the
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PC field. However, in practice, the transportation of PC components still adopts
the extensive mode of traditional construction industry (Teng et al., 2017). The
resulting delays, component damage and cost overruns have seriously affected
PC performance and people's evaluation (Ergen et al., 2007).
Research on PCSCM can be divided into three levels: strategic analysis, supply
chain optimization and specific link design, which will be discussed in detail later.
However, in general, the research on PCSCM cannot meet the demand of market
implementation. No article has summarized the research status quo to analyze the
gap between theory and practice. Therefore, with the use of scientometrics
technology, this study attempts to systematically review the state, trends and gaps
of PCSCM research, and to build a framework to promote PCSCM.
3. Method
The method of combining bibliometric evaluation with systematic review is an
effective way to identify, examine and evaluate all relevant literature on a
particular research topic at an early stage (Cerchione & Esposito, 2016).
Bibliometric evaluation is a quantitative strategy to evaluate, cluster and map the
quality and relevance of articles through mathematical models and algorithms,
thus enhancing the visual and logical perception of the results of systematic
reviews (Mingers & Leydesdorff, 2015). Systematic review is a basic and critical
method for condensing topics, discovering research gaps, and building
knowledge frameworks (van den Berg et al., 2009). The combination of the two
can effectively avoid the common subjectivity and unreliability in literature
review.
Fig.1 shows the three steps of the method. Literature review starts always with
literature collection. After a statistical analysis of the selected literature review
portfolio, five branches of bibliometric analysis experiments were conducted,
including 1) Publication Distribution across Journals, 2) Co-occurrence of
Keywords, 3) Co-authorship Analysis, and 4) Citation of Articles. They are the
core of bibliometric analysis and can summarize the overall situation of the
research field (Jin et al., 2018). For example, keyword analysis can help identify
the research focuses, and co-author analysis can find the most influential
contributors.
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Select the database
Stage 3: Thematic discussion
Review methodology
Stage 1: Three-step data collection method
Data retrieval Literature screening/supplement
Academic databases
Publication chronicle
Duplicates Filter using
Endnote software
Code indexed records into
VOSViewer software
Logical searching terms
Future directions
Stage 2: Bibliometric analysis
Framework
Screening/supplement criteria
Strategic research
and overall design
PC supply chain
process design
and optimization
Supply chain
integration and
management
Application of
advanced technology
Publication
Distribution
across Journals
Citation of
Articles
Co-authorship
Analysis
Co-occurrence
of Keywords
Fig. 1. The process of the review method
VOSViewer, a text-mining tool, was selected as the bibliometric evaluation
tool. Compared to other text-mining tools, VOSViewer is better suited for
visualization of large networks (Van Eck et al., 2010). The data can be imported
directly into VOSViewer to generate the network of the articles (Van Eck et al.,
2009) and create a network map, with the distance between nodes indicating how
close they are (Zhao, 2017).
Based on the clustering results of bibliometric evaluation, four topics in the
current research field of PCSCM were summarized, including 1) Strategic
research and overall design, 2) PC supply chain process design and optimization,
3) Supply chain integration and management, and 4) Application of advanced
technology. Then, combined with the systematic review, a framework to promote
the implementation of PCSCM was further proposed and discussed.
4. Data collection
The data collection process consists of three steps, which follows the Meho
(2008), as shown in Fig. 2.
Step1: Select the database. Scopus, Elsevier, Web of Science (WoS) core,
Engineering (EI) Village, and EBSCO Host were selected as the main retrieval
databases.
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Step2: Data retrieval. Using the retrieval syntax in Fig. 2, a total of 516 initial
records were obtained. The search scope was restricted to the
“Title/Abstract/Keywords” field. There was no limit to the publication, and the
date range was set to “all years to the present”. The earliest record retrieved was
published in 2001.
Step3: Literature screening and supplement. Some inclusion/exclusion criteria
still need to be set to ensure the accuracy of the retrieval results. First, the initial
retrieved records were imported into EndNote X8 software to filter duplicates.
Next, the following two types of articles were deleted, a) articles that were
obviously unrelated to PCSCM (e.g., biology, agriculture, pharmacology,
medicine); b) articles in a wide range of categories as "editorial", "book review",
"discussion and conclusion", "letters" and "newspaper articles". Then, a backward
search (cross-referencing) was performed in the references to avoid missing
important references. Eventually, 152 qualified titles were included in our
literature review portfolio.
Additionally, the papers on supply chain
management/prefabrication/construction in broad sense were not directly adopted
because the focus of this work is on PCSCM rather than the broad field it covers.
Nevertheless, views from these areas might be used to strengthen the analysis,
although the papers might not be included in the literature review portfolio.
516 titles
Scopus
EBSCO Host
EI Village
Elsevier
Step1: Select the
database
Step3: Literature
screening/supplementStep2: Data
retrieval-364
(TS= ( off site or tilt up
or prefabricated or
prefabrication or
precast or modular or
industrialized or
modular or penalized ))
and ( supply chain or
supply network or
industrial chain ) and
( construction or
building or housing ))
AND LANGUAGE:
(English) AND
DOCUMENT TYPES:
(Article)
a) articles that were
obviously unrelated to
PCSCM;
b) articles in a wide range
of categories as "editorial",
"book review", "discussion
and conclusion", "letters"
and "newspaper articles".
WOS core
Screening
Supplement
A backward search
(cross-referencing) was
performed in the
references to avoid
missing important
references.
109 titles
152 titles
Fig. 2. Literature retrieval and screening process
Fig. 3 shows the annual number of publications from 2001 to 2018. Through
the simple statistical analysis, it can be found that the research on PCSCM has
been growing rapidly in recent years, reaching a considerable number of 37
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papers in 2018.
Fig. 3. Yearly publications from 2001 to 2018
5. Results of Bibliometric Experiments
5.1. The cross-journal publication distribution experiment
The results of the cross-journal publication distribution experiment can reflect the
contributions of each journal to the PCSCM field to some extent. Under the
selection criteria of the minimum publication quantity and citations of 3 and 10
articles respectively, the top 10 of 38 journals included in our literature review
portfolio are shown in Fig. 4. Node size and journal name font size are
proportional to the number of publications published in the journal. The larger
the fonts and nodes represent the more publications. The node color represents
the average year of publication. The lighter the color, the more recent articles.
The thickness of the link between nodes indicates the frequency of references
between two journals.
Table 2 details the total link strength, number of articles, total citations, average
publication years, average citations and average normalized citations. The total
link strength, number of articles and total citation are usually highly correlated
with each other, and are used as quantitative indicators to measure the
productivity of journals. Average citations and average normalized citations are
taken as qualitative indicators to measure the impact of the journal. In terms of
the publications number, Automation in Construction, Journal of Construction
Engineering and Management, Journal of Cleaner Production and Sustainability
are the top three Journals. Expert Systems with Applications, Automation in
13 4 3 2
4
9 8 7 810 11
19
26
37
0
5
10
15
20
25
30
35
40
2001 2002 2003 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018
Nu
mb
er
of
pu
blic
atio
n
Year of publication
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Construction, Journal of Construction Engineering and Management have the
highest average number of citations, indicating their high field influence. It can
be found that Automation in Construction is the most influential journal in this
field due to its high average normalized citations.
Fig. 4. Publication Distribution across Journals in PCSCM.
Table 2: Analysis of sources publishing PCSCM research.
Source
Total
link
strength
Number
of articles
Total
citations
Avg. pub.
year
Avg.
citations
Avg. norm.
citations
Automat. Constr. 70 26 462 2014 18 1.28
J. Constr. Eng. M.
ASCE 37 8 141 2011 18 0.72
J. Cleaner Prod. 31 10 78 2017 8 2.22
Sustainability 25 6 10 2017 1 0.72
Can. J. Civ. Eng. 24 6 33 2013 7 0.44
Expert Syst. Appl. 19 4 39 2011 20 1.01
J. Comput. Civ.
Eng. 16 4 31 2010 16 1.25
Int. J. Prod. Res. 13 3 11 2016 4 0.59
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J. Civ. Eng. M. 10 3 24 2012 8 0.51
KSCE J. Civ. Eng. 5 3 21 2018 11 0.99
5.2. Co-authorship analysis experiment
Co-authorship analysis experiment can identify the important scholars in PCSCM
and their cooperative relationships (Hosseini et al., 2018). Under the selection
criteria of the minimum publications and citations of 3 and 15 respectively, the
top 14 of 225 authors included in our literature review portfolio are shown in Fig.
5. The experiment formed a main cluster represented by Hu, Xue and Shen, as
well as Arashpour, Ergen and other independent researchers. The main cluster
focuses on supply chain integration and management (Li et al., 2018).
Fig. 5. Co-authorship analysis.
Table 3: List of active researchers in PCSCM.
label Number of
publications
Total
Citations
Avg. pub.
year
Avg.
citations
Avg. norm.
citations
Hu 8 81 2014 10 1.09
Shen 7 53 2017 8 2.74
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Arashpo
ur 6 57 2017 10 1.40
Xue 6 52 2017 9 1.71
Wang 6 17 2018 3 1.13
Akinci 5 74 2011 15 0.74
Li 5 40 2017 8 1.48
Zhong 5 22 2017 4 1.28
Ergen 4 186 2009 47 1.00
Wakefiel
d 4 52 2016 13 1.12
Hong 4 44 2018 11 3.99
Table 3 shows the five quantitative indicators of the top 11 published authors.
Hu published the most papers, with eight, followed by Shen, Arashpour, Xue and
Wang, all with six. However, Ergen and Akinci have published only four papers,
but are the most cited on average. This, of course, has to do with the earlier age
of publication. In addition, although the total citation rate is not high, the average
normalized citation rate of Li, Hong and Shen is relatively high. This indicates a
significant increase in the impact of their research.
5.3. Citation of articles
According to the citation statistics of SCOPUS database, the top ten papers are
shown in Table 4 with citation number ranges from 36 to 103. Specifically, the
top three of citations are Ergen and Akinci (2007), Yin et al. (2009) and Chen et
al. (2010), which are cited 103, 58 and 54 times respectively. Ergen and Akinci
(2007) innovatively integrated RFID into PCSCM, effectively avoiding
construction delay and labor cost increase caused by repeated processing, parts
dislocation and incorrect installation. Yin et al. (2009) combined Personal Digital
Assistant (PDA) and RFID to build a precasting production management system,
which solved the difficulties of data storage and record audit, avoided repeated
data entry and facilitated immediate feedback. Chen et al. (2010) proposed a
transparent construction method selection model (CMSM) to assist scientific
prefabrication decision.
Table 4: List of publications with highest impact in PCSCM.
Author Title Year Citations
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Ergen &
Akinci
Tracking and locating components in a precast storage
yard utilizing radio frequency identification
technology and gps
2007 103
Yin et al. Developing a precast production management system
using rfid technology 2009 58
Chen et al.
Decision support for construction method selection in
concrete buildings: prefabrication adoption and
optimization
2010 54
Bankvall et
al.
Interdependence in supply chains and projects in
construction 2010 50
Ergen et al. Life-cycle data management of engineered-to-order
components using radio frequency identification 2007 49
Pan et al. Strategies for Integrating the Use of Off-Site
Production Technologies in House Building 2012 44
Jaillon &
Poon
Life cycle design and prefabrication in buildings: a
review and case studies in hong kong 2014 43
Pheng et al. Just-in-time management of precast concrete
components 2001 42
Chan et al. Constraint programming approach to-precast
production scheduling 2002 40
Leu et al. GA-based resource-constrained flow-shop scheduling
model for mixed precast production 2002 36
5.4 Keywords co-occurrence experiment
Keywords co-occurrence experiment describes the research topics and
interrelationships in a given domain. Take the frequency of co-occurrence of two
keywords as the link strength between them (Šubelj et al., 2016). Among the 536
keywords in all literatures, 61 met the setting condition of the minimum link
strength of 3. Then, combine the synonyms, such as “BIM” and “Building
Information Modeling”, and omit general terms such as “prefabrication”, “supply
chain” and “management”. Finally, PCSCM research topic relational network is
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generated as shown in Fig. 5, which contains 24 nodes and 132 links.
Fig. 6. PCSCM research topic relationship network based on keywords co-occurrence
experiment
Based on the frequency and co-occurrence probability of keywords, the 24
keywords shown were further divided into clusters with different node colors. For
example, as shown in Fig. 6, yellow node cluster includes RFID, BIM and
technology, etc. By extracting the commonness of the keywords in each cluster,
the clusters were named as:
Strategic research and overall design (red nodes): focus on the integrated
management and sustainability performance evaluation of the whole process of
PC management. Much of the research is based on the China case.
PC supply chain process design and optimization (green nodes): focus on the
modeling and simulation (Li et al., 2017) of the four main parts of PCSCM:
ordering (Dallasega et al., 2018), manufacturing (Ma et al., 2018), transportation
and installation (Kong et al., 2017). Genetic algorithm is the most commonly used
algorithm.
Supply chain integration and management (blue nodes): focus on the internal
integration and external integration. The former aims to improve the interests of
all stakeholders, while the latter focuses on the cooperation and communication
(Liu et al., 2017). Much of the research is based on the Hong Kong case.
Application of advanced technology (yellow nodes): focus on adopting
advanced technologies, including BIM, RFID and lean , etc., to solve highly
decentralized PCSCM problems (Arashpour et al., 2014) and optimize the
efficiency of supply chain (Azman et al., 2014).
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Table5: Summaries of most frequently studied keywords in PCSCM
Catelogy Key-word Link
strength
Occurrenc
es
Avg.
pub. year
Avg.
citatio
ns
Avg. norm.
citations
Strategic
management
Construction
Management 43 21 2014 19 1.06
Barriers 9 3 2017 8 0.86
Integration 19 8 2015 10 0.49
Sustainability 11 3 2018 1 1.21
China 28 10 2017 11 1.19
Innovation 17 7 2015 14 1.02
Route design
and
optimization
in PCSCM
Model 32 19 2016 10 1.39
Simulation 27 12 2014 9 1.06
Optimization 43 18 2016 6 0.9
Genetic algorithm 29 16 2013 11 0.87
Scheduling 12 4 2010 16 0.7
Productivity 12 4 2011 15 0.69
Supply chain
integration
and
management
Project
Management 7 4 2016 9 0.89
Design 32 10 2015 9 0.81
Inventory 10 6 2014 5 0.46
Information 9 3 2018 2 0.69
Hong Kong 40 20 2017 10 1.25
Performance 37 12 2016 7 0.73
Application of
advanced
technology
Lean construction 14 5 2017 3 0.51
RFID 20 11 2013 24 1.24
Technology 19 6 2017 3 1.08
BIM 18 7 2017 8 1.46
Internet 12 3 2018 2 0.79
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Tracking 7 4 2013 30 2.26
Table 5 further summarizes the quantitative measurement of keywords. Link
strength represents the correlation between a given keyword and other keywords.
Construction management, optimization and performance have the highest link
strength, reflecting the overall focus of the study. The number of keyword
occurrence is similar to the ranking of link strength. According to the average
publication year, BIM, internet, information and sustainability seem to be
emerging keywords, which shows the importance and necessity of the application
of advanced technology and sustainability. In contrast, although there are many
researches on the design and optimization of PCSCM route based on genetic
algorithm, the popularity of it has decreased significantly. Tracking, BIM and
RFID show prominent performance in the average normalized citations index,
which further shows the degree of attention of advanced technology applications
in PCSCM. The detailed thematic discussion is given in section 6.
6. Thematic discussion
Based on the results of scientometrics analysis, we further divided the four
important directions of current research (Table 5) into the management and
technical levels shown in Fig. 7 for discussion. Obviously, the management level
includes 1) Strategic research and overall design, and 2) Supply chain integration
and management, while the technical level includes 3) Supply chain process
design and optimization, and 4) Application of advanced technology. Then,
according to the convention, this study proposed the research gap and the future
research direction. Finally, an innovative and reasonable framework was
constructed to promote the development of PCSCM.
Implementation
level
• Mobile terminal devices
• Mobile terminal enabling
technology
• Access network
• Application service
Information technology
• Lean construction
• Agile construction
Application of advanced technology
Management technology
PC supply chain process design and optimization
• Process design
• Simulation
• Process optimization
• Mathematical model
Management
level
• Innovative management modes
• Obstacles and drivers
• Sustainable performance evaluation
• Risk evaluation
Strategic research and project evaluation
• Production plan
• Supply decision
• Purchase decision
• Inventory management
• Supplier selection
Internal integration
• Cooperation mode
• Information
Communication
Supply chain integration and management
External integration
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Fig. 7. Research topics in PCSCM.
6.1. Strategic research and project evaluation
In general, the development of PC is still a long way from large-scale application
(Jaillon et al., 2008). Regional industrial layout and enterprise level strategic
research still cannot meet the needs of market development (Moon et al., 2018).
Although enterprises or projects as the main body of the project management are
aware of the importance of supply chain management, most of the innovative
management modes developed were still centered on the construction and
installation management on the site, have not substantially extended to the whole
supply chain (Kim and Nguyen, 2017). Market awareness and acceptance of PC
is still insufficient (Lee et al., 2014). The market almost passively accepts the
government's policy regulation and has not been able to actively participate in the
strategic planning of PCSCM development (Lee et al., 2013). The research level
also focuses on three core issues in the process of promoting the development of
PCSCM and market cognition: obstacles and drivers, sustainable performance
evaluation and risk evaluation.
Obstacles and Drivers. Compared with conventional techniques, cost is the
main obstacle to the adoption of PC, which is reflected in every link of the supply
chain, including the cost increase caused by the long decision-making time of the
supply chain (Mao et al., 2015). In addition, lack of understanding of PCSCM
(Mao et al., 2017) and complicated implementation process (Almusallam et al.,
2018) are also important factors hindering the advancement of PC (Blismas et al.,
2009). Of course, PSCSCM is driven by many obvious factors, such as
sustainable competitive advantage (Eshtehardian et al., 2013) and favorable
policy environment (Tam et al., 2015), technological innovation (Chang et al.,
2018) and diversified market demand (Hong et al., 2018).
Sustainable performance evaluation. It mainly includes environmental
performance, economic performance, and social performance (Arashpou et al.,
2017). In terms of economic performance, the implementation of effective supply
chain management on prefabricated projects can increase enterprise profits by
nearly 40% (Wong et al., 2010). For environmental performance, PC itself have
better life cycle performance in energy performance (Albuquerque et al., 2012).
Effective integration of PCSCM has more significant social effects, such as
reducing labor consumption and improving the social image of the construction
industry. In a word, the considerable sustainable performance of PCSCM is the
main reason why it is favored by the government and the market.
Risk evaluation. Risks in the whole PCSCM are diverse, dynamic, uncertain and
interactive (Sacks et al., 2004). Due to the complexity of the supply process,
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schedule risk is recognized as the most important and should be strictly controlled
(Polat, 2008), and emphasizes the importance of information interoperability
between resource planning systems of different supply chain bodies (Luu et al.,
2009). One of the most common risk factors is delayed delivery due to
inconsistent logistics information caused by human error (Li et al., 2017).
6.2. Supply chain integration and management
External integration of supply chain management ensures real-time information
exchange among all participants by looking for effective cross-organization
cooperation mode, and realizes the sharing of market demand, inventory status,
production plan, demand forecast and delivery plan. The advantages of external
integration of supply chains have been widely proven in the manufacturing and
logistics industries. For PCSCM, no matter in research or practice, enterprises are
still trying to improve their own interests through internal integration (Yang et al.,
2016), but ignore the overall interests of the supply chain.
Cooperation mode
Information Communication
Supplier
Contractor
Developer
Internal integration
External integration
• Production plan
• Supply decision
• Inventory management
• Purchase decision
• Supplier selection
Fig. 8. Research framework of supply chain integration
Internal integration. Supply chain participants improve their benefits through
self-integration within the enterprise (Zhong et al., 2017). Production plan,
purchasing decision and supplier selection are the core issues of internal
integration. It is necessary for the supplier to develop an appropriate inventory
management plan for the delivery requirements of multiple contractors (Ko &
guo, 2015). In contrast, contractor procurement decisions include multi-
component coordination and supplier relationship management (Voordijk et al.,
2006). The selection of supplier affects the performance of PCSCM, and its
evaluation criteria include procurement process, operational efficiency,
relationship coordination and strategic adjustment, and corporate social
responsibility (Liu et al., 2018). Using the operational research method to deal
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with the complexity of internal integrated management decisions is the main
means of research, such as production variability (Arashpour et al., 2016),
procurement preference and supplier reliability (Gosling et al., 2013).
External integration focuses on supply chain cooperation mode and
information communication. The research of cooperation mode is mainly to
design reasonable models of cost sharing (Xu et al., 2018), risk (Goh et al., 2016)
and benefit distribution (Zarbakhshnia et al., 2018). Using game theory to
dynamically analyze the cooperation and competition behavior of supply chain
participants is an effective method (Feng et al., 2017). Such as, London et al.
(2017) explored the factors influencing the formation and disintegration of
cooperative network. Information communication is mainly about how to use
advanced information technology to realize real-time communication to reduce
the delay and waste and create maximum common interests (Teng et al., 2017).
6.3. Supply chain process design and optimization
There is a big difference between the PC supply chain and traditional supply chain.
PC supply chain is customization, and the total number of components matches
the needs of construction site, so there is no need to keep safety inventory (Ma et
al.,2018). The PC supply chain process design consists of four stages: ordering,
manufacturing, transportation and assembly. Simulation is mostly used in the
process design to evaluate its effectiveness. Supply chain process optimization
targeted at time limit or cost is developing towards multi-objective optimization
(Wang & Gong,2018).
PC Supply chain process optimization
Schedule Cost+
• Genetic Algorithm
• Linear/Integer
Programming
Mathematical model
Simulation model
Manufacturing Transportation AssemblyOrdering
PC Supply chain process design
Fig. 9. Research framework of process design and optimization
PC supply chain process design based on simulation. Dynamic simulation
of PCSC process could help participants to predict the profit level under different
behavioral decisions, so as to make rational decisions (Han et al.,2017). Wang et
al. (2018) proposed an overall disturbance evaluation simulation model to
evaluate the uncertainty of the PCSCM, which can prevent various disturbances
in time and improve profits. In addition, simulation can effectively improve the
professional quality of practitioners and their understanding of PCSC concepts
and knowledge (Arashpour et al.,2018).
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PC supply chain process optimation. Among optimization goals, schedule is
considered to be primary. Timely delivery of prefabricated components is the
major bottleneck that constrain the project productivity. Delays may result in
prolonged construction cycles and higher labour costs. But early delivery can also
lead to additional storage costs and wasted space (Arashpour et al., 2018). Genetic
algorithm (Chan et al., 2002) and mixed integer linear programming (Khalili et
al., 2002) are commonly used method systems. Based on the cost target, resource
constraints such as molds (Li et al., 2018), workers, inventory (Wang et al., 2017)
and workspace (Hong et al., 2014) were integrated into the model to develop the
production scheduling scheme with the lowest production cost. In recent years,
multi-objective optimization besides cost is concerned, and the concept of Just-
In-Time(JIT) has been incorporated into production scheduling and delivery
decisions (Kong et al., 2017).
6.4. Application of advanced technology
The application of advanced technology runs through the whole process of PCSC,
including information technology and management technology. Management
technology could reduce waste and improve efficiency to achieve optimal
allocation of resources (Arashpour et al., 2015). Information technology enables
real-time tracking and positioning of precast components and real-time
communication between participants (Xu et al., 2018).
Information
technology
Managemen
t technology
Mobile terminal
devices
Mobile terminal
enabling technology
Access network
Application service
• Hand-held compute
• Mobile phones
• Wearable equipment
• RFID
• Context-aware (e.g. wireless
sensor)
• Agent-based (e.g. Multi-agent)
• Zigbee
• WLAN
• Bluetooth
• Web-based technology
• AR/VR
• Cloud computing
• Lean construction
• Agile construction
• Real-time tracking of
construction materials
• Real-time information
sharing and
communication
• Coordination of PCSCM
Fig. 10. Research framework of advanced technology
Management technology mainly include lean construction and agile
construction. Wet construction in the traditional construction industry limits the
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promotion of lean construction (Purvis et al., 2014). However, lean construction
is valued and promoted in PC because of the standardized design, factory-based
parts and integrated information. The advantage of lean construction is that its
strict production planning and process can effectively reduce waste and
constantly improve the PC supply chain (Höök et al., 2008). Agile principles are
an important complement to lean concepts in PCSCM. The Lean Principle applies
to stable conditions (stable requirements of quantity), while the PC is
characterized by uncertainty (e.g. changes in demand) (Mostafa et al., 2016).
Therefore, it is necessary to supplement agile principles to reduce these
uncertainties (Sertyesilisik et al., 2014).
Information technology applied in PCSCM can be divided into the following
four categories: mobile terminal devices (PDA, mobile phones, wearable
equipment), mobile terminal enabling technology (RFID, GPS), access network
(WLAN, Zigbee) and application service (AR/VR, cloud computing) (Shi et al.,
2016). The purpose of applying information technology is to promote the real-
time acquisition and sharing of information among different stakeholders of
PCSCM and reduce human error (Chen et al., 2017). One kind of research focuses
on the real-time tracking of prefabricated components or materials in the whole
supply chain. For example, BIM and RFID-based prefabricated component
management system can actively and accurately facilitate the collection and
transmission of information related to material storage and use, so as to timely
adjust production objectives and plans (Ergen et al., 2007). RANSAC model, an
RFID-based optimal management system, can quickly and automatically screen
a large amount of RFID data to obtain effective information (Altaf et al., 2018),
and provide the data to mobile terminal equipment (e.g., PDA) or mobile terminal
enabling technology (e.g., GPS), so as to strengthen quality control and improve
supply chain efficiency (Yin et al., 2009). Another type of research focuses on
rapid communication in supply chains. Such as, VR based 3D dynamic
interaction models that can be presented on mobile client can promote
information communication in the whole supply chain (Li et al., 2018). Cloud
computing and BIM provide solutions for data sharing among the Architecture,
Engineering and Construction (AEC), which further helps reduces supply chain
costs (Li et al., 2017) and time (Wang et al., 2017).
6.5. Research Gap and Future Research Direction
Collaborative PCSCM with advanced technology
Many advanced technology have been applied in PCSCM, but they are still
low-level applications (Bilal et al., 2015). Fast and accurate processing of massive
data in PCSCM, especially rich tacit knowledge and knowledge sharing of supply
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chain, to achieve multi-technology integration and collaboration with the whole
process of PCSCM, could effectively promote the decision-making optimization
of supply chain. Big data and cloud computing, which has been widely used in
manufacturing supply chain management, may provide more efficient support for
PCSCM's timely interaction and tracking of prefabricated components.
Cooperative mode of PCSCM
The cooperation mode of supply chain and the contract system are the core
problems of PCSCM. They reflect the complexity of supply chain marketing and
construction contracts. Theoretical research and application are limited to the
analysis of risk sharing model and other local relations (Li et al., 2016).
Distributable benefits in the supply chain are not just profits. Benefit sharing
model or contract terms should also adapt to the complex supply chain
environment and cooperation model, rather than adopt a certain paradigm.
Therefore, an important research direction is to develop innovative PCSCM
cooperation mode to optimize the costs, risks and benefits of each participant.
Introducing third-party logistics into PCSC
Third-party logistics (TPL) means that contractor employ logistics
professionals to manage all logistics activities (transportation, material
procurement and storage). The employment of TPL helps to centralize the control
and management of prefabricated components from multiple suppliers and avoid
the unsynergies caused by the producer's separate responsibility for the
transportation of their own products. But this will bring about a redistribution of
responsibility and new coordination management problems. Integrating TPL into
PCSCM can optimize delivery time and production cost. This creates a logistics
management platform that allows suppliers and contractors to share information,
thereby avoiding uncertainty and reducing operating and total supply costs. The
application of TPL may be a new trend in the outsourcing of the prefabricated
construction, which is conducive to the improvement of efficiency and
sustainability from the perspective of PCSCM.
Multi-level strategy research based on market characteristics
The development of technology cannot be separated from the market
characteristics and industrial level of the region. Most of the current studies take
China and Hong Kong as the empirical background. It is obvious that more
extensive research in more regions will contribute to the promotion and
theoretical development of PCSCM. Supply chain optimization and industrial
integration depend on the interaction of governments, contractors, suppliers and
carriers. Internal integration and optimization of each independent level is the
premise. In addition, compared with supply chain management of manufacturing
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industry, PCSCM has unique construction technology and market environment.
Based on this, the conceptual development framework of PCSCM is presented in
Fig. 12.
6.6. A Conceptual Development Framework for PCSCM
Supplier
1) Integrate lean and agile to optimize production planning and
inventory management
2) Optimize production layout management
3) Improve product standardization to reduce errors
4) Coordinate with contractor on production lead time hedging
(PLTH) and buffer space hedging (BSH)
5) Consider material characteristics and logistics selection
Supplier Goverment
1) Identify obstacles/risks/incentives
2) PCSC performance evaluation
3) Cost sharing/profit sharing/risk
management under different contract
modes
4) Monitor security/schedule/cost
1) Cost sharing/profit sharing/risk management under different
contract modes
2) Order strategy: quantity, delivery date
3) Select partners and formulat evaluation standard of supplier
4) Resource scheduling in the production/transportation/
assembly phase considering cost and time targets
5) Realize the whole process information collection, real-time
communication, positioning and performance monitoring
6) Make assembly production layout plan
Contrator Developer
Reduce costs+Increase profits+Shorten construction period
1) Standardize market behavior
2) Perfect incentive mechanism
3) Standardize contract model
Reduce costs+Increase profits Increase social benefits
Decisions of main participants
Framework to promote PCSCM
Contractors control the SC
Market circumstances
Management philosophy
Different stages have different core enterprises
Improve the modular coordination standard
Standardized market operation
Realize PC standardization/modularization
Technological base
BIM
JIT
Lean and agile
AR/VR/RFIDIOT
Assembly tech
Node connection techNode waterproof tech
Information technology Construction technology Management technology
Strategic Alliances
Fig. 11. A conceptual development framework for PCSCM
The conceptual development framework to facilitate PCSCM implementation
consists of three parts: technology base, market circumstances and decisions of
main participants. Strengthening the practical application of technology and
standardization of market environment is the basis to promote the implementation
of PCSCM. The decision optimization of participants based on the integration of
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industrial chain can further optimize the PCSC efficiency.
Technology base. Technology, including management technology,
information technology and construction technology, is the basis to promote
PCSCM. At present, the joint waterproof, joint joint and other construction
technologies have developed more perfect. Combining lean and agile
management methods to create a flexible supply chain at minimal cost and to
adapt to the diversity of contractor needs is the focus of further research. BIM,
RFID and other information technologies have been widely used in PCSCM, but
how to process a large amount of data quickly and accurately is one of the current
problems.
Market circumstances. Favorable market circumstances can further promote
the implementation of PCSCM. The first is the standardized operation of the
market, including clarifying the standard system of the key links of PCSC and
realizing PC standardization and modularization. It is necessary to establish the
codes and standards for the design, production, construction and acceptance of
prefabricated buildings. In addition, the implementation of general, standardized,
modular has become a consensus, standardization is the symbol of the level of
industrialization, a high degree of standardization can achieve mass production,
and mass production is also the main means of prefabricated construction cost
reduction.The second is a change in management philosophy. PCSCM is
transformed from being dominated by the contractor to having different core
enterprises in different stages. The traditional construction supply chain is a
satellite enterprise group with contractors as the core. However, for prefabricated
buildings, the schedule and cost are largely limited by the production and
transportation stages, which forms a group of enterprises with relatively balanced
rights.
Decisions of main participants. PCSC involves many participants, such as
contractors, suppliers, developers, governments, etc. Different participants must
have different goals and conflicts of interest. After integrating the responsibilities
of all parties, two aspects are obtained: optimization of production process design
and optimization of contract system. In terms of production process design,
suppliers need to integrate lean and agile concepts, optimize production planning,
inventory management, and coordinate production lead time hedging (PLTH).
The contractor needs to consider factors such as delivery time and volume of
prefabricated components to develop a reasonable production layout plan. A
whole-process resource scheduling scheme combining cost and time objectives
needs to be developed. And BIM and other information technologies needs to be
combined to realize the real-time communication, information collection,
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66
performance monitoring and positioning functions. For the optimization of
contract system, the optimal cost sharing, profit distribution and risk management
measures under different contract modes are the further research direction. In
addition, due to the strong positive externalities of PC, the government plays an
indispensable role in the early stage. Government needs to formulate incentives
such as subsidies and penalties, so as to guide enterprises to enter the PC market
reasonably and form a good market operation mechanism.
Only through the coordinated development of technology, market
circumstances and decision-making level of participants, can the PCSC form an
integrated whole, so as to optimize the efficiency of supply chain and improve
the level of supply chain.
7. Conclusions
PC has become a new direction for the construction industry to cope with the
severe shortage of labor, environment and social resources. At present, PCSCM
has become a critical factor restricting the popularization and development of PC.
This paper systematically reviewed the status in quo, trends and gaps of PCSCM
research and deeply analyzed the prominent topics. Of 516 records retrieved from
five popular online databases, a total of 152 eligible documents were screened.
Then, based on the scientometrics experiment, this paper made a statistical
analysis of the publication year profile and journal allocation of the included
literature, and constructed four kinds of visualized bibliographic information
maps for the publication distribution across journals, co-occurrence of keywords,
co-authorship analysis, and citation of articles. The main findings are as follows:
1) Influential journals that publish articles on supply chain management of
fabricated construction include automation in construction and Journal of
construction engineering and management.
2) The co-authors analyze the article numbers and influence of scholars in
PCSCM. Among them, Hu published the most papers and Ergen got the highest
Cited frequency.
3) The most frequently cited articles in this field are identified and the main
research topics of these influential articles are discussed.
4) Keywords such as “ Construction Management ” , “ Model ” ,
“Optimization”, “Performance”, “Design”, “Genetic algorithm”, and
“RFID” are frequently tracked, which is consistent with the main research
topics obtained by cluster analysis.
5) Using data mining to cluster index keywords, 24 categories were further
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summarized into four themes, including strategic research and project evaluation,
PC supply chain process design and optimization, supply chain integration and
management, and application of advanced technology.
Afterwards, a series of topics, including collaborative PCSCM with advanced
technology, cooperative mode of PCSCM, introducing third-party logistics into
PCSC and multi-level strategy research based on market characteristics, were
proposed to explore the knowledge structure of PCSCM. Finally, a framework
was constructed to promote PCSCM implementation for supply chain participants.
The research findings provide an intuitionistic demonstration for the
bibliographic information of PCSCM literature, and put forward new ideas and
requirements for the development of PCSCM. It will contribute to the evaluation
of the current situation of PCSCM and the grasp of the future direction by
academics and practitioners.
Inevitably, this work has limitations in specimen integrity. First, while we
believe that the right keywords have been selected to achieve our goals, they may
be improved in the future to search articles more comprehensively. Second, the
shortlisted samples were all in English, while books, reports and manuscripts in
other languages were excluded. These limitations may affect the statistical results
of the study, but have little impact on the concentration of the research trends and
the discussion of topics.
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