Structural Dynamics In Earthquake And Blast Resistant Design

Cover......Page 1
Half Title......Page 2
Title Page......Page 4
Copyright Page......Page 5
Dedication......Page 6
Contents......Page 8
Preface......Page 12
Acknowledgments......Page 14
Author......Page 18
Symbols......Page 20
Chapter 1: Introduction......Page 28
 1.1 Types of Analysis......Page 29
 1.2 Modelling of a Dynamic System......Page 30
 1.3 D’Alembert’s Principle......Page 31
 2.2 Free and Forced Vibrations......Page 34
  2.2.2 Damped Free Vibrations......Page 38
  2.2.3 Logarithmic Decrement......Page 43
 2.3 Forced Vibration of a Damped Single Degree of Freedom......Page 44
 2.4 A Single Degree of Freedom System Subjected to Support Motion......Page 48
 2.5 Rayleigh’S Method to Obtain Natural Frequency......Page 50
 2.6 Response in Frequency Domain and Laplace Transformation......Page 52
 2.7 Solved Problems......Page 57
 2.8 Exercise Problems......Page 67
Chapter 3: Two Degree of Freedom Systems......Page 70
 3.1 Forced Response of Damped Two-Storey Buildings......Page 73
 3.2 Exercise Problems......Page 75
Chapter 4: Force Transmitted to the Support......Page 76
 4.1 Exercise Problems......Page 79
Chapter 5: Duhamel’s Integral......Page 80
 6.1 Multi-Degree of Freedom Systems Subjected to External Dynamic Forces: Modal Analysis......Page 88
 6.2 A Multi-Storey Building Subjected to Ground Motions: Modal Analysis......Page 92
 6.3 Solved Problems......Page 95
 6.4 Exercise Problems for Chapters 5 and 6......Page 108
 7.2 Structural Analysis......Page 110
 7.4 Shear Building......Page 111
 7.5 Response Spectrum......Page 112
 7.6 Capacity Spectrum......Page 125
 8.1 Introduction......Page 134
 8.2 The Linear Elastic Vibration Absorber......Page 135
 8.3 The Hysteric Vibration Absorber......Page 138
 8.4 Structural Model and the Equations of Motion......Page 139
 8.5 Numerical Studies......Page 140
 8.6 Analysis of Results......Page 141
  8.6.1 Response of the Absorber Mass......Page 146
  8.6.2 Response History Curves......Page 147
  8.6.3 Hysteric Energy Dissipation......Page 151
  8.6.5 Maximum Ductility Response Spectra......Page 157
 8.7 Conclusions......Page 159
 9.1 Introduction......Page 160
 9.2 Earthquake Response of Elastic Structure with Coupled Translational and Torsional Motions......Page 161
 9.3 Structural Model......Page 163
 9.4 Equations of Motion......Page 166
  9.4.2 Parameters Considered in the Study......Page 169
  9.5.1 Influence of Eccentricity Envelopes of Maximum Frame Ductility......Page 171
  9.5.2 Influence of Yield Strength......Page 173
  9.5.4 Influence of Strengthening the Exterior Frames......Page 176
  9.5.5 Response History Curves......Page 178
  9.5.6 Energy Dissipation due to Hysteresis......Page 183
  9.5.7 Maximum Ductility Response Spectra......Page 188
 9.6 Summary and Conclusions......Page 189
 10.1 Introduction......Page 192
 10.2 Structural Model......Page 193
  10.2.1 Yielding Behavior......Page 194
 10.3 Equations of Motion......Page 197
 10.4 Solutions of the Equations of Motion......Page 199
  10.4.1 Parameters Considered in the Study......Page 200
  10.5.1 Influence of Eccentricity......Page 201
  10.5.2 Influence of Yield Strength qiuo = qivo = qi and Period (Tiu = Tiv = Ti)......Page 207
  10.5.3 Time-Response Curves......Page 208
 10.6 Summary and Conclusions......Page 210
  11.2.1 Introduction......Page 216
  11.2.2 Floating Columns......Page 218
  11.2.4 Building Asymmetric in Plan......Page 224
  11.2.5 Mass Participation Factor......Page 233
  11.2.6 Conclusions......Page 235
  11.3.2 Analysis......Page 236
 11.4 Problems......Page 244
  12.2.1 Structure-Level Retrofit......Page 252
  12.2.5 Member-Level Retrofit......Page 253
  12.3.2 History of Python......Page 263
  12.3.4 Python Architecture......Page 264
  12.3.5 Python Libraries......Page 266
  12.3.6 Static Loading Problem Using Python......Page 267
  12.3.7 Free Vibration Problems......Page 271
  12.3.8 Response Spectrum Analysis of Building Using Python......Page 272
  12.4.2 Types of Connections......Page 301
  12.4.3 Earthquake Responses of Hybrid Building......Page 302
  12.5.1 General Characteristics of Blast and Consequences On Structures......Page 304
  12.5.2 Loading Effects Due to Blasts......Page 305
  12.5.3 Criteria for Blast Resistant Design of Structures for Explosions Above Ground......Page 306
 12.6 Response of Rcc Asymmetric Buildings Subjected to Earthquake Ground Motions......Page 308
  12.6.1 Structural Modelling......Page 309
  12.6.2 Modelling and Analysis of Structural Irregularities......Page 310
References and Suggestions for Further Reading......Page 324
Index......Page 332