Assessing The Effect of Partial Replacement of Coarse Aggregate in Concrete with Recycled Plastic-Waste Palates.

TABLE OF CONTENTS

DECLARATION..........................................................................................................................ii

APPROVAL............................................................................................................................... iii

Dedication................................................................................................................................iv

ACKNOWLEDGEMENTS...........................................................................................................v

ABSTRACT................................................................................................................................vi

TABLE OF CONTENTS.................................................................................................vii

LIST OF ACRONYMS...............................................................................................................ix

Chapter 1 INTRODUCTION....................................................................................................1

1.1 Background......................................................................................................................1

1.2 Problem Statement...........................................................................................................2

1.3 Objectives ........................................................................................................................2

1.3.1 Main Objective..........................................................................................................2

1.3.2 Specific Objectives ...................................................................................................2

1.4 Justification and significance...........................................................................................2

1.5 Project Scope ...................................................................................................................3

1.5.1 Geographical Scope ..................................................................................................3

1.5.2. content scope...........................................................................................................3

1.5.3. Time scope ...............................................................................................................3

Chapter 2 LITERATURE REVIEW...........................................................................................4

2.1 INTRODUCTION ...........................................................................................................4

2.2 Concrete Constituents......................................................................................................9

2.2.1 Binders....................................................................................................................10

2.2.2 Concrete Aggregates...................................................................................................11

2.3 properties of concrete.................................................................................................16

2.3.1 Properties of fresh concrete ....................................................................................16

2.3.2 Properties of hardened concrete.........................................................................19

2.4 The properties of HDPE are: .................................................................................21

CHAPTER 3: METHODOLOGY ........................................................................................23

3.1 Making of plastic aggregate...........................................................................................23

3.2 Casting the mix ..............................................................................................................26

viii

3.2.1 The slump test.........................................................................................................26

3.2.2 Casting of specimens ..............................................................................................27

3.2.3 Curing .....................................................................................................................29

3.2.4 Weights of the specimen cubes..........................................................................29

3.3 Compressive strength test ..............................................................................................31

CHAPTER 4: RESULTS AND DISCUSSION .........................................................................32

4.1 Slump test results and analysis..................................................................................32

4.2 Analysis of weight results of concrete cubes.................................................................33

4.2 Compressive strength results.....................................................................................35

CHAPTER 5 : CHALLENGES, CONCLUSIONS AND RECOMMENDATIONS .....................39

5.1 Challenges. ................................................................................................................39

5.2 Conclusions...............................................................................................................39

5.2.1 Slump test...........................................................................................................39

5.2.2 Compressive strength.........................................................................................40

5.3 Recommendations.....................................................................................................40