中华人民共和国住房和城乡建设部公告

前言

1　总则

2　术语和符号

• 2.1　术语

• 2.2　主要符号

3　基本要求

• 3.1　抗震设防分类和设防标准

• 3.2　地震影响

• 3.3　抗震设计方法分类

• 3.4　桥梁抗震体系

• 3.5　抗震概念设计

4　场地、地基与基础

• 4.1　场地

• 4.2　液化土

• 4.3　地基的承载力

• 4.4　桩基

5　地震作用

• 5.1　一般规定

• 5.2　设计加速度反应谱

• 5.3　设计地震动时程

• 5.4　地震主动土压力和动水压力

• 5.5　作用效应组合

6　抗震分析

• 6.1　一般规定

• 6.2　建模原则

• 6.3　反应谱法

• 6.4　时程分析法

• 6.5　规则桥梁抗震分析

• 6.6　能力保护构件计算

• 6.7　桥台

7　抗震验算

• 7.1　一般规定

• 7.2　E1地震作用下抗震验算

• 7.3　E2地震作用下抗震验算

• 7.4　能力保护构件验算

8　抗震构造细节设计

• 8.1　墩柱结构构造

• 8.2　节点构造

9　桥梁减隔震设计

• 9.1　一般规定

• 9.2　减隔震装置

• 9.3　减隔震桥梁地震反应分析

• 9.4　减隔震桥梁抗震验算

10　斜拉桥、悬索桥和大跨度拱桥

• 10.1　一般规定

• 10.2　建模与分析原则

• 10.3　性能要求与抗震验算

11　抗震措施

• 11.1　一般规定

• 11.2　6度区

• 11.3　7度区

• 11.4　8度区

• 11.5　9度区

附录A　开裂钢筋混凝土截面的等效刚度取值

附录B　圆形和矩形截面屈服曲率和极限曲率计算

本规范用词说明

引用标准名录

1 General Provisions

2 Terms and Symbols

• 2.1 Terms

• 2.2 Symbols

3 Basic Requirements

• 3.1 Seismic Classification and Fortification Criterion

• 3.2 Earthquake Effect

• 3.3 Classification of Seismic Design Methods

• 3.4 Bridge Earthquake Resisting Systems

• 3.5 Seismic Conceptual Design

4 Site，Soil and Foundation

• 4.1 Site

• 4.2 Liquefied Soil

• 4.3 Capacity of Foundation

• 4.4 Pile Foundation

5 Earthquake Action

• 5.1 General Requirements

• 5.2 Design Acceleration Spectrum

• 5.3 Design Ground Motion Time History

• 5.4 Seismic Active Soil Pressure and Dynamic Hydraulic Pressure

• 5.5 Combination of Actions

6 Seismic Analysis

• 6.1 General Requirements

• 6.2 Principle of Modelling

• 6.3 Response Spectrum Method

• 6.4 Time History Analysis Method

• 6.5 Seismic Analysis for Regular Bridges

• 6.6 Calculation for Capacity Protected Members

• 6.7 Bridge Abutment

7 Seismic Check

• 7.1 General Requirements

• 7.2 Seismic Check for E1 Earthquake

• 7.3 Seismic Check for E2 Earthquake

• 7.4 Seismic Check for Capacity Protected Members

8 Seismic Design Details

• 8.1 Pier Column Detailing

• 8.2 Joint Detailing

9 Bridge Seismic Isolation Design

• 9.1 General Requirements

• 9.2 Seismic Isolation Devices

• 9.3 Seismic Analysis for Isolated Bridges

• 9.4 Seismic Check for Isolated Bridges

10 Cable-Stayed Bridge，Suspension Bridge and Long Span Arch Bridge

• 10.1 General Requirements

• 10.2 Modelling and Analysis Principles

• 10.3 Performance Requirements and Seismic Check

11 Seismic Measures

• 11.1 General Requirements

• 11.2 Zone of Seismic Intensity 6

• 11.3 Zone of Seismic Intensity 7

• 11.4 Zone of Seismic Intensity 8

• 11.5 Zone of Seismic Intensity 9

Appendix A Effective Flexural Stiffness of Cracked Reinforced Concrete Sections

Appendix B Yielding and Ultimate Curvature Calculation or Circular and Rectangular Sections

Explanation of Wording in This Code

List of Quoted Standards