CONTENTS
ABSTRACT IV
ACKNOWLEDGEMENTS V
LIST OF TABLES VI
LIST OF FIGURES VII
LIST OF CONTENTS IX
1 INTRODUCTION 1
1.1 EFFECT OF EARTHQUAKE ON IRREGULAR BUILDINGS 1
1.2 PROVISION IN IS-1893(PART-1):2002 FOR IRREGULAR BUILDINGS 4
1.3 OBJECTIVE OF STUDY 4
1.4 METHODOLOGY PROPOSED FOR STUDY 5
1.5 SCOPE OFWORK 5
1.6 OVERVIEW OF THE REPORT 5
2 LITERATURE REVIEW 7
2.1 GENERAL 7
2.2 BIDIRECTIONAL PUSHOVER ANALYSIS 9
2.3 PUSHOVER ANALYSIS 10
2.4 CAPACITY CURVE 10
2.5 DEMAND CURVE 11
2.6 PERFORMANCE POINT 11
2.7 STRUCTURAL BEHAVIOUR TYPE 11
2.8 DEFINITION OF HINGES 12
2.9 TYPE OF HINGES 12
2.10 KEY POINTS FROMRESEARCH PAPERS AND JOURNALS 13
3 PROBLEM FORMULATION 15
3.1 GEOMETRY OF BUILDINGS 15
3.2 MATERIAL PROPERTIES 17
3.3 TYPICAL SPECIFICATIONS 18
3.4 GRAVITY LOADS 18
3.5 EARTHQUAKE LOAD DEFINITIONS 19
3.6 LOAD COMBINATIONS 19
3.7 DESIGN OF BUILDING 20
3.8 ASSIGNMENT OF HINGES 21
3.9 USER DEFINED RESPONSE SPECTRUM (SA/G VS. T) 22
3.10 PUSH LOAD CASES 22
3.11 STEPWISE PROCEDURE TO PERFORM BI-DIRECTIONAL PUSHOVER ANALYSIS IN SAP 2000 23
4 RESULTS, OBSERVATIONS AND CONCLUSION 29
4.1 OBSERVATIONS 35
4.2 CONCLUSION 36
4.3 EXAMPLE 37
4.3.1 MATERIAL PROPERTIES 39
4.3.2 DIMENSION OF SECTIONS 39
4.3.3 LOADS 39
4.3.4 LOAD COMBINATIONS 40
4.3.5 INTERNAL FORCES AND REINFORCEMENT AREA 42
4.3.6 COMPARISON OF CAPACITY CURVES 42
4.4 FUTURE SCOPE 45
5 REFERENCES 47
6 APPENDIX-I 49
7 APPENDIX-II 53