Go Green……only an idea or approach….!!!

Awanish Shukla l Nirman RathiStudent PGP-ACM

National Institute of Construction Management And Research-Pune

Waste Management

The concept

Our Idea

Our Idea

Feasibility Study

Management Aspect

Technical Aspects

Environment Aspects

Financial Viability

SWOT AnalysisFuture Scope

“Waste Management”By Concrete bag Selling concept.

Green Concrete Concept

(CNC lathe waste+ Recycled Aggregates + Cement) =

D:\Research\Awanish Research Paper 1.pdf

The concept

Our Idea

The Concept

Feasibility Study

Management Aspect

Technical Aspects

Environment Aspects

Financial Viability

SWOT AnalysisFuture Scope

What is CNC waste…????

CNC waste is waste obtained from Computer Numeric Controlled Lathe Machines.

Annual CNC waste collection is about 1200 Million tonnes.

CNC WASTE

CNC WASTE

Steel Key-Role in Infrastructure.

Large waste Generation.

Utilizing this waste for Concrete Mix.

The concept

Our Idea Feasibility Study

Management Aspect

Technical Aspects

Environment Aspects

Financial Viability

SWOT AnalysisFuture Scope

Recycled Aggregate Crushers

Resultant Aggregate

The concept

Our Idea Feasibility Study

Management Aspect

Technical Aspects

Environment Aspects

Financial Viability

SWOT AnalysisFuture Scope

CNC WASTE

2E’s 2Q’s

RECYCLEDAGGREGATE

Resulting

SWOT AnalysisFuture Scope

The concept

Our Idea Feasibility Study

Management Aspect

Technical Aspects

Environment Aspects

Financial Viability

Concrete Dependency (2E’s & 2Q’s)

CONCRETE

Quality &

Quantity…!!!

Economy &

Environment…!!!

In this aspect

CNC wasteis most important….!!!

The concept

Our Idea Feasibility Study

Management Aspect

Technical Aspects

Environment Aspects

Financial Viability

SWOT AnalysisFuture Scope

The concept

Our Idea Feasibility Study

Management Aspect

Technical Aspects

Environment Aspects

Financial Viability

Comparative Study for Compressive StrengthWCNC CNC1 CNC2

0

5

10

15

20

25

30

35

40

28 Day Compressive Strength for MD28 Day Compressive Strength for MD3028 Day Compressive Strength for MD5028 Day Compressive Strength for MD100

The concept

Our Idea Feasibility Study

Management Aspect

Technical Aspects

Environment Aspects

Financial Viability

SWOT AnalysisFuture Scope

i.e. Concept is to prepare concrete Bags using CNC Lathe waste and Recycled concrete Aggregates for Making concrete.

The concept

Our Idea

Feasibility Study

Feasibility Study

Management Aspect

Technical Aspects

Environment Aspects

Financial Viability

SWOT AnalysisFuture Scope

It is the very first thing a techno-manager does when he/she takes up a project.

As we are selling cement Bags; as same as we can sell Green Concrete/Mortar Bags with Dry Mix.

There are areas where concrete is not required in very large scale there these can be produced.

For making Green concrete there is not high technology requirement.

Implementation of this idea will help to use the waste products in large scale.

The concept

Our Idea

Feasibility Study

Feasibility Study

Management Aspect

Technical Aspects

Environment Aspects

Financial Viability

SWOT AnalysisFuture Scope

The concept

Our Idea

Management Aspects

Feasibility Study

Management Aspect

Technical Aspects

Environment Aspects

Financial Viability

SWOT AnalysisFuture Scope

These Green concrete bags are easy to transport; with various mix designs M20, M25, M30 etc.

Instead of transporting various ingredient of concrete and storing differently; Green concrete Bags can be purchased.

Managing and handling of these bags are not much difficult.

Site engineer need not to look after about Mix proportions all the time, as the Bags are already mixed as per the design.

The concept

Our Idea

Technical Aspects

Feasibility Study

Management Aspect

Technical Aspects

Environment Aspects

Financial Viability

SWOT AnalysisFuture Scope

Technically it is found that adding 2% CNC Lathe waste with 50% alteration of NCA by RCA will provide sufficient strength.

Unskilled laborers are in most of the sites, these green bags will help in managing the projects technically.

Till 3 months time the dry mix can be used technically.

Factors affecting slump-paste content

Normal Concrete paste CNC rich concrete Mix

The concept

Our Idea Feasibility Study

Management Aspect

Technical Aspects

Environment Aspects

Financial Viability

SWOT AnalysisFuture Scope

Larger particles, less surface area, thicker coating, easy sliding of particles

We propose to use Course aggregates of higher size for concrete Mix

The concept

Our Idea Feasibility Study

Management Aspect

Technical Aspects

Environment Aspects

Financial Viability

SWOT AnalysisFuture Scope

Smaller particles, more surface area, thinner coating, interlocking of particles

The concept

Our Idea Feasibility Study

Management Aspect

Technical Aspects

Environment Aspects

Financial Viability

SWOT AnalysisFuture Scope

Angularity and surface texture of aggregates

angular and rough aggregate

smooth aggregateriver gravel

The concept

Our Idea Feasibility Study

Management Aspect

Technical Aspects

Environment Aspects

Financial Viability

SWOT AnalysisFuture Scope

Temperature

fresh concrete

aggregates paste

The concept

Our Idea Feasibility Study

Management Aspect

Technical Aspects

Environment Aspects

Financial Viability

SWOT AnalysisFuture Scope

Bleeding

The concept

Our Idea Feasibility Study

Management Aspect

Technical Aspects

Environment Aspects

Financial Viability

SWOT AnalysisFuture Scope

Water accumulation on surface

Examine the concrete surface

The concept

Our Idea Feasibility Study

Management Aspect

Technical Aspects

Environment Aspects

Financial Viability

SWOT AnalysisFuture Scope

Interaction between bleeding and evaporation

surface water

Evaporation

Bleed water

Bleed water = evaporation

The concept

Our Idea Feasibility Study

Management Aspect

Technical Aspects

Environment Aspects

Financial Viability

SWOT AnalysisFuture Scope

Too much evaporation leads to surface cracking

no surface water

Evaporation

Bleed water < Evaporation

drying

The concept

Our Idea Feasibility Study

Management Aspect

Technical Aspects

Environment Aspects

Financial Viability

SWOT AnalysisFuture Scope

Side diagram of surface contraction

Wants to shrink

Does not want to shrink

The concept

Our Idea Feasibility Study

Management Aspect

Technical Aspects

Environment Aspects

Financial Viability

SWOT AnalysisFuture Scope

Free Shrinkage, causes volume change, but no stresses

before shrinkage After Shrinkage

The concept

Our Idea Feasibility Study

Management Aspect

Technical Aspects

Environment Aspects

Financial Viability

SWOT AnalysisFuture Scope

Restrained Shrinkage- creates stresses, which may cause cracking

The concept

Our Idea Feasibility Study

Management Aspect

Technical Aspects

Environment Aspects

Financial Viability

SWOT AnalysisFuture Scope

Restrained shrinkage cracking

Parallel cracking perpendicularto the direction of shrinkage

The concept

Our Idea Feasibility Study

Management Aspect

Technical Aspects

Environment Aspects

Financial Viability

SWOT AnalysisFuture Scope

The concept

Our Idea

Environment Aspects

Feasibility Study

Management Aspect

Technical Aspects

Environment Aspects

Financial Viability

SWOT AnalysisFuture Scope

CNC Lathe wastes reacts with Env. And get corroded; these eventually affect the environment.

Waste aggregates poses great threat of land. Also these will interact with open environment.

The concept

Our Idea

Financial Aspects

Feasibility Study

Management Aspect

Technical Aspects

Environment Aspects

Financial Viability

SWOT AnalysisFuture Scope

It will save the storage cost of 3 different materials.

It uses the waste materials so according to the research work undergone, it will save around 35% of cost.

It will reduce the 3 time transportation costs.

Per cubic meter it saves 30% cost as compare to normal concrete.

The concept

Our Idea

SWOT Analysis

Feasibility Study

Management Aspect

Technical Aspects

Environment Aspects

Financial Viability

SWOT AnalysisFuture Scope

STRENGTHS

Managerial arena technical Aspects Environmental Factor

WEAKNESS

Bags Handling Time of Use limited

OPPORTUNITY

Demolition Increasing CNC waste increasing

THREATS

Human Psychology Construction Delay

The concept

Our Idea

Future Scope

Feasibility Study

Management Aspect

Technical Aspects

Environment Aspects

Financial Viability

SWOT AnalysisFuture Scope

It acts to be an Environmental savior. Due to lack of dumping sites in the present scenario, so there is need to save the land, this process leads as the savior of environment.

This process can be assumed to be the economical process as less transportation costs require and also the construction cost is less.

To produce and secure a system of sale based packed premixed concrete batches, in which CNC waste and recycled coarse aggregate concrete will be present.

Quality &

Quantity…!!! Economy &

Environment…

!!!

The concept

Our Idea Feasibility Study

Management Aspect

Technical Aspects

Environment Aspects

Financial Viability

SWOT AnalysisFuture Scope