第二篇结构减震技术Part 2 Structural Vibration Control Technology第2章「隔震结构设计Chapter2Designof isolationStructures第3章消能减震结构设计Chapter 3 Design of Energy-Dissipation Structures第4章结构被动控制技术Chapter4StructuralPassiveControl第5章结构主动、半主动控制技术Chapter 5 Structural Active and Semi Active Control
第二篇 结构减震技术 Part 2 Structural Vibration Control Technology 第2章 隔震结构设计 Chapter 2 Design of isolation Structures 第3章 消能减震结构设计 Chapter 3 Design of Energy-Dissipation Structures 第4章 结构被动控制技术 Chapter 4 Structural Passive Control 第5章 结构主动、半主动控制技术 Chapter 5 Structural Active and Semi Active Control
引论 Introduction结构减震控制的概念 The concept of Structuralvibration control1.常规抗震抗风设计方法存在的问题Problemsinconventionadesign methods for seismic structure and wind resistant structure直接用承重结构抵御地震和风的作用Resist the earthquake and wind action directly by load-bearingstructures用增加结构刚度的方法来满足抗风抗震要求，不经济Meet the requirement of earthquake and wind resistance byincreasing structural stiffness, which is wasteful
结构减震控制的概念 The concept of Structural vibration control 1. 常规抗震抗风设计方法存在的问题 Problems in conventional design methods for seismic structure and wind resistant structure 直接用承重结构抵御地震和风的作用 Resist the earthquake and wind action directly by loadbearing structures 用增加结构刚度的方法来满足抗风抗震要求，不经济 Meet the requirement of earthquake and wind resistance by increasing structural stiffness, which is wasteful 引 论 Introduction
引 论 Introduction减震控制2.结构振动控制方法的引入一一structural vibration control method对结构安装抗震装置，由抗震装置与结构共同承受地震作用，即共同储存和耗散地震能量，以减轻结构的地震反应。In order to reduce earthquake response, a seismicdevice is installed and resistant earthquaketogether with the structures by storing anddissipating earthquake energy[M](+[Cl()+[Kl(x)= F(t)-[MI[I]x
2. 结构振动控制方法的引入——减震控制 structural vibration control method 对结构安装抗震装置，由抗震装置与结构共同承受 地震作用，即共同储存和耗散地震能量，以减轻结 构的地震反应。 In order to reduce earthquake response, a seismic device is installed and resistant earthquake together with the structures by storing and dissipating earthquake energy 引 论 Introduction M x C x K x F t M I x ( ) g
3结构减震控制的分类Typesofvibrationcontrol被动控制不需要外部能源输入Passivevibrationcontrol without energy input○基础隔震：以改变结构频率为主的减震技术O Base isolation: changes the natural frequency ofstructure○耗能减震：以增加结构阻尼为主的减震技术OPassive energy dissipation: increase structuraldamping○被动质量调谐控制O Tuned mass damper
3 结构减震控制的分类 Types of vibration control 被动控制——不需要外部能源输入 Passive vibration control without energy input 基础隔震：以改变结构频率为主的减震技术 Base isolation: changes the natural frequency of structure 耗能减震：以增加结构阻尼为主的减震技术 Passive energy dissipation: increase structural damping 被动质量调谐控制 Tuned mass damper
3结构减震控制的分类Typesofvibrationcontrol主动控制需要外部能源输入提供控制力，控制力依赖于结构反应和外界干扰信号activevibration controlthatrequire control force provided by energy input, whichrelies on structural response and disturbance signalO控制系统由传感器、运算器和作动器组成thecontrolsystem consists of sensor, calculator and actuator○缺点：造价昂贵，所需巨大能源在地震时无法保证disadvantage: high-cost and the immense powerrequired cannot be guaranteed during earthquake
3 结构减震控制的分类 Types of vibration control 主动控制——需要外部能源输入提供控制力，控制力依赖 于结构反应和外界干扰信号 active vibration control that require control force provided by energy input, which relies on structural response and disturbance signal 控制系统由传感器、运算器和作动器组成 the control system consists of sensor, calculator and actuator 缺点：造价昂贵，所需巨大能源在地震时无法保证 disadvantage: high-cost and the immense power required cannot be guaranteed during earthquake