CONTENTS Advisory Board Editorial Board Contents Acknowledgement Foreword Preface 1 Introduction 1 2 Devices for Seismic Isolation and Response Control 3 2.1 Introduction 3 2.2 Isolator 7 2.3 Damper 22 3 Comparative Study of Seismic Isolation Codes Worldwide 35 3.1 Introduction 35 3.2 Design Spectrum 36 3.3 Design Methods 51 3.4 Analytic Model and Results 54 3.5 Conclusions 59 4 Observed Response of Seismically Isolated Buildings 63 4.1 Introduction 63 4.2 The 2004 Mid Niigata Prefecture Earthquake 63 4.3 The 2003 Tokachi-Oki Earthquake 66 4.4 The 2003 Miyagi-ken-oki Earthquake 74 4.5 The 1995 Hyogoken-Nanbu Earthquake 79 4.6 The 1994 Northridge Earthquake 84 4.7 Conclusions 86 5 World Report 89 5.1 China 91 5.2 Italy 149 5.3 Japan 193 5.4 Korea 249 5.5 New Zealand 261 5.6 Taiwan 295 5.7 The United States of America 311 6 Conclusions 327 Appendix: Data Sheets of Applications A-1 China A-2 Italy A-18 Japan A-36 The United States of America A-54