CONTENTS
Undertaking 2
Certificate 3
Acknowledgement 4
Abstract 5
List of figures 8
List of tables 11
1 INTRODUCTION 13
1.1 General background 13
1.2 Seismic performance - Mobilising ductility 13
1.3 Ductility - A contributing parameter in seismic design 14
1.4 Contributors to ductility in Reinforced concrete buildings 15
1.5 Capacity - Based Design 17
1.6 Evolution of the Code of Practice for seismic forces - Indian scenario 18
1.7 Objective of study 19
1.8 Scope of study 19
1.8.1 Experimental Programme 19
1.8.2 Analysis Programme 20
2 LITERATURE REVIEW 23
2.1 Evaluation of properties of steel reinforcing bars for seismic design 23
2.1.1 Introduction 23
2.1.2 Description of experiment 23
2.1.3 Conclusion 24
2.2 Seismic design of reinforced concrete and masonry buildings 24
2.3 IS 1786:2016 25
2.4 IS 13920:2016 27
2.5 Evolution of reinforcing bars 28
2.6 TMT manufacturing process 28
2.7 Chemical constituents of steel 30
3 EXPERIMENTAL PROGRAMME 33
3.1 Introduction 33
3.2 Methodology 33
3.3 Inferences 36
3.3.1 Nominal mass per meter 36
3.3.2 Yield strength 39
3.3.3 Ultimate tensile strength 40
3.3.4 Ratio of UTS to YS 41
3.3.5 Percentage elongation 42
3.3.6 Conclusions of the experimental programme 43
4 ANALYSIS PROGRAMME 47
4.1.1 Introduction 47
4.1.2 Methodology 47
4.1.3 Conclusions of analysis programme 54
5 SUMMARY AND FUTURE SCOPE 56
5.1 Summary 56
5.2 Future scope 56
6 REFERENCES 58
7 ANNEXURE A 60
8 ANNEXURE B 61