Overview of Steel Construction in Thailand - SEAISIseaisi.org/file/S2 P5 Thailand Steel Construction...

Steel Applications in Construction Sector Sub-committeeSEAISI Country Report 2017: Thailand

Overview of Steel Construction in Thailand Nuttapon Suttitam

Sahaviriya Steel Industries PCL. (SSI)Chairman of Steel Applications in Construction Sector Sub-Committee (SEAISI)

Advisor, Steel Club, Federation of Thai Industry (FTI)Advisor, Iron and Steel Institute of Thailand (ISIT)

Steel Structure Sub-Committee, Engineering Institute of Thailand (EIT)Committee, Thailand Structural Steel Society (TSSS)

November 27, 20171


• General

• Regulators & Associations

• Product Standard

• Design Standard

• Fabrication Standard

• Construction Standard

• Building Codes

• Future Direction

Outline

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GeneralConstruction in Thailand

• Steel-reinforced concrete construction

• Prestressed concrete construction

• Steel construction

Pic 2: Prestressed concrete constructionRef. theconstructor.org

Pic 1: Steel-reinforced concrete constructionRef. www.shutterstock.com

Pic 3: Steel constructionRef. wasatchsteel.blogspot.com

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Regulators & AssociationsBridge Construction

Pic 1(a) Nuan-Chawee BridgeRef: wikimapia.org

Pic 1(b) Dechatiwong BridgeRef: prachachat.net

Pic 1(c) DOH Typical Precast Concrete BridgeRef: thungkhaconcrete.com

o Government authorities

1. Department of Highways (DOH)

2. Department of Rural Roads (DRR)

3. Local municipals

o State Enterprises

1. Expressway Authority of Thailand (EXAT)

2. State Railway of Thailand (SRT)

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Bridges Authorities in Thailand5

Bridge Authorities

Ministry of Transportation

Department of Highways

(DOH)

Department of Rural Roads

(DRR)

Local Administrations

Bangkok Metropolitan Administration

(BMA)

Local Municipals

State Enterprises

Expressway Authority of Thailand

(EXAT)

State Railways of Thailand

(SRT)

Used to be a Rural Bridge Bureau within “The Office of Accelerated Rural Development” under The Department of Civil Works of The

Ministry of Interior (MOI)

In 2000’s, Administration reformation transferred Rural Bridge Bureau to be under MOT and transferred all Long-

spanned bridges that were controlled by MOI to DRR.


Department of Rural Roads (DRR)6

Bridge Authorities



(DOH)


(DRR)



(BMA)

Local Municipals

State Enterprises


(EXAT)


(SRT)

Rural Roads


Expressway Authority of Thailand (EXAT)7

Bridge Authorities



(DOH)


(DRR)



(BMA)

Local Municipals

State Enterprises


(EXAT)


(SRT)


Department of Highways (DOH)8

Bridge Authorities



(DOH)


(DRR)



(BMA)

Local Municipals

State Enterprises


(EXAT)


(SRT)

Rating จ ำนวนสะพำน

91

0 17

1 462

2 2028

3 6406

4 5138

5 901

(ว่าง)

ผลรวมทัง้หมด 15043

Type จ ำนวนสะพำน

69

Box Beam 636

Box Culvert 1

Box Girder 21

Gerber 15

I Girder 642

Mixed 516

Multibeam 163

Plank Girder 4624

Slab Type 8086

Steel 8

T Girder 262

(ว่าง)

ผลรวมทัง้หมด 15043


Department of Highways (DOH)9

Bridge Authorities



(DOH)


(DRR)



(BMA)

Local Municipals

State Enterprises


(EXAT)


(SRT)

National network planning by OTP

Feasibility Study by Project Planning

Bureau (DOH)

Engineering Study by Survey and Design

Bureau (DOH)

Procurement according to Standard Drawings for HWY Construction

Office of Transport and Traffic Policy &

Planning


Regulators & AssociationsBuilding construction

o Government authorities

1. Department of Public Works, Town and Country Planning (DPT)

2. Thai Industrial Standards Institute (TISI)

o Statutory organization

1. Council of Engineers (COE)

2. Architect Council of Thailand (ACT)

o Associations

1. Academic- Engineering Institute of Thailand (EIT)

- Thailand Structural Steel Society (TSSS)

2. Professional- Consulting Engineers Association of Thailand (CEAT)

- Thai Contractor Association (TCA)

- Thailand Steel Constructor Association (TSCA)

3. Others

- Iron and Steel Institute of Thailand (ISIT)

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Product StandardStructural steel products in Thailand are referred Thai Industrial Standards (TIS)

• TIS107 : Standard for Hollow Structural Steel Sections

• TIS1227: Standard for Hot-Rolled Steel Sections

• TIS1228: Standard for Cold-Formed Steel Sections

• TIS1390: Standard for Hot-Rolled Steel Sheet Piles

• TIS1303: Standard for Welded Structural Steel Sections

• TIS1479: Standard for Hot-Rolled Carbon Steel Coil, Strip, Plate and Sheet for General Structure

• TIS1499: Standard for Hot-Rolled Carbon Steel Coil, Strip, Plate and Sheet for Welded Structure

Note That most of structural steel product standards are adopted from Japan Industrial Standard (JIS)

Ref TIS107

Hollow Structural Steel Sections

Ref: TIS1227

Hot-Rolled Steel SectionsRef: TIS1228

Cold-Formed Steel Sections 11


Design StandardFor steel structures, most design engineers in Thailand follow the standards from the Engineering Institute of Thailand (EIT)

• EIT1020: Load and Resistance Factored Design Standard for Buildings using Steel Sections.

• EIT1024: Design Standard for Buildings using Cold-Formed Sections.

Ref: eitpr.comEIT1020 Steel Design Standard For

Steel Section

Ref: ubook.msu.ac.thEIT1024 Steel Design Standard For

Cold-Formed

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Fabrication StandardNo steel fabrication standardization authority is yet established in Thailand.

The reasons behind are that;

• The most major steel fabricators focus on export markets, which require international standard per the requirements from their clients.

• The steel construction for general buildings in Thailand are not very popular, resulting in unavailability of steel fabricators focusing domestic construction market.

(a) Welding Process

Ref: metalxtrinidad.com

Structural Steel Fabrication

(b) Cutting Process (c) Drilling Process (d) Bending Process

However, Thailand Structural Steel Society (TSSS), a recently established association, identify their priorities to standardize and establish Thai steel fabricator accreditation scheme, as well as to prepare steel fabrication guideline and quality check list.

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Construction Standard

There is also no construction standard and code of practice yet available in Thailand. So Thai Contractor Association (TCA) has been a key support for the establishment of “Council of Thai Contractors,” with the main objective to develop required skill sets for construction technicians and to classify level of competency, as well as to obtain accreditation scheme among contractors for particular types of works.

Please note that the achievement of Thai contractors is to perform construction works that meet the requirements in the specification and design documents. As a result, the key corporate strategy of most Thai contractors is “cost leadership”, resulting in the single-path innovation towards process optimization, i.e. no innovation towards design or material optimization as a maker for what is designed.

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Building CodesThe Building Control Act B.E. 2522 (A.D. 1979). From that point on, the Department of Public Works* under the Ministry of Interior had taken full responsibility to control building construction in Thailand

• Ministerial Regulation No. 6 B.E. 2527: Load, Resistance Durability, Construction material properties,

Modification and retrofit of buildings and Site stability

• Ministerial Regulation No. 33 B.E. 2535: Criteria and Equipment for Tall Buildings and Extra Large Buildings

• Ministerial Regulation No. 41 B.E. 2537: Size and Geometry of Parking Structures with or without the Installation of Elevators

• Ministerial Regulation No. 48 B.E. 2540: Construction Material Properties for Main Structural Members and Glass Panel

• Ministerial Regulation No. 50 B.E. 2540: Addendum to Ministerial Regulation No. 33 B.E. 2535

• Ministerial Regulation No. 60 B.E. 2549: Addendum to Ministerial Regulation No. 48 B.E. 2540

• Etc.

Ref: library.nhrc.or.th

Pic Building Control Act and Ministerial Regulations

15*Note: The Department of Public Works is now The Department of Public Works and Towns & Country Planning


Future Direction Skilled labor will be more expensive and much more difficult to find. Less labor intensive approach will

be a key success factor for construction firms. Prefabricated steel construction would likely be one of contractors’ preference.

Since Internet of Thing (IoT) and Big Data have become key driving forces to the industry, more tools and applications will individually be created in order to effectively communicate with their clients and to obtain better clients’ insight and needs.

New innovation through Building Information Modeling (BIM) will most likely take a major part in prefabricated steel construction for more productivity.

The supports from Thai government for normalization of fire protection demand to be as per international standards and standardization of steel bridges for highway constructions will exponentially expand the market size of steel construction in Thailand.

Ref: cadserviceslondon.com

Building Information Modeling (BIM) Programing

Ref: www.behance.net

Bridge Structural Monitoring

(a) (b)

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More InformationCost comparison study 2017 Highlight project

Feel free to contact me via

[email protected]@isit.or.th

[email protected]@yahoo.com

www.facebook.com/SteelConstructionForum

Thank you!!!

17

Cost comparison observation.pptx

Cost comparison observation.pptx

พระเมรุมาศ2.mp4

พระเมรุมาศ2.mp4

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