Critical Excitation Methods in Earthquake Engineering

2nd Edition

Authors: Izuru Takewaki
Hardcover ISBN: 9780080994369
eBook ISBN: 9780080994291
Imprint: Butterworth-Heinemann
Published Date: 21st June 2013
Page Count: 400
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After the March 11, 2011, earthquake in Japan, there is overwhelming interest in worst-case analysis, including the critical excitation method. Nowadays, seismic design of structures performed by any seismic code is based on resisting previous natural earthquakes. Critical Excitation Methods in Earthquake Engineering, 2e, develops a new framework for modeling design earthquake loads for inelastic structures. The 2e, includes three new chapters covering the critical excitation problem for multi-component input ground motions, and that for elastic-plastic structures in a more direct way are incorporated and discussed in more depth. Finally, the problem of earthquake resilience of super high-rise buildings is discussed from broader viewpoints.

Key Features

  • Solves problems of earthquake resilience of super high-rise buildings
  • Three new chapters on critical excitation problem for multi-component input ground motions
  • Includes numerical examples of one and two-story models


Structural Engineers, Structural Designers, Earthquake Engineers and Researchers

Table of Contents

Table of Contents

Preface to the first edition

Preface to the second edition

Chapter 1: Overview of seismic critical excitation method

1-1: What is critical excitation?

1-2: Origin of critical excitation method (Drenick's approach)

1-3: Shinozuka's approach

1-4: Historical sketch in early stage

1-5: Various measures of criticality

1-6: Subcritical excitation

1-7: Stochastic excitation

1-8: Convex models

1-9: Nonlinear or elastic-plastic SDOF system

1-10: Elastic-plastic MDOF system

1-11: Critical envelope function

1-12: Robust structural design

1-13: Critical excitation method in earthquake-resistant design

Chapter 2: Critical excitation for stationary and non-stationary random inputs 25

2-1: Introduction

2-2: Stationary input to SDOF model

2-3: Stationary input to MDOF model

2-4: Conservativeness of bounds

2-5: Non-stationary input to SDOF model

2-6: Non-stationary input to MDOF model

2-7: Numerical examples for SDOF model

2-8: Numerical examples for MDOF model

2-9: Conclusions

Chapter 3: Critical excitation for non-proportionally damped structural systems

3-1: Introduction

3-2: Modeling of input motions

3-3: Response of non-proportionally damped model to non-stationary random excitation

3-4: Critical excitation problem

3-5: Solution procedure

3-6: Critical excitation for acceleration (proportional damping)

3-7: Numerical examples (proportional damping)

3-8: Numerical examples (non-proportional damping)

3-9: Numerical examples (various types of damping concentration)

3-10: Conclusions

Chapter 4: Critical excitation for acceleration response

4-1: Introduction

4-2: Modeling of input motions

4-3: Accelerati


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About the Author

Izuru Takewaki

Affiliations and Expertise

Kyoto University, Department of Urban and Environmental Engineering, Kyoto, Japan