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　符　　号

3　基本规定

4　地基勘察

• 4.1　一般规定

• 4.2　勘探要求

• 4.3　室内试验与现场原位测试

• 4.4　地　下　水

5　地基计算

• 5.1　一般规定

• 5.2　基础埋置深度

• 5.3　承载力计算

• 5.4　变形计算

• 5.5　稳定性计算

6　结构设计与构造要求

• 6.1　一般规定

• 6.2　筏形基础

• 6.3　箱形基础

• 6.4　桩筏与桩箱基础

7　施　　工

• 7.1　一般规定

• 7.2　地下水控制

• 7.3　基坑开挖

• 7.4　筏形与箱形基础施工

8　检测与监测

• 8.1　一般规定

• 8.2　施工监测

• 8.3　基坑检验

• 8.4　建筑物沉降观测

附录A　基床系数载荷试验要点

附录B　附加应力系数α、平均附加应力系数

附录C　按E计算沉降时的δ系数

附录D　冲切临界截面周长及极惯性矩计算

附录E　地基反力系数

附录F　筏形或箱形基础整体弯矩的简化计算

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 Requirement

4　Subsoil Investigation

• 4.1　General Requirement

• 4.2　Requirements of Exploration

• 4.3　Laboratory and In-situ Tests

• 4.4　Groundwater

5　Calculation of Subsoil

• 5.1　General Requirement

• 5.2　Embedded Depth of Foundation

• 5.3　Calculation of Bearing Capacity

• 5.4　Calculation of Deformation

• 5.5　Calculation of Stability

6　Requirements of Structural Design and Detail

• 6.1　General Requirement

• 6.2　Raft Foundation

• 6.3　Box Foundation

• 6.4　Piled Raft Foundation and Piled Box Foundation

7　Construction

• 7.1　General Requirement

• 7.2　Groundwater Control

• 7.3　Excavation of Foundation Pit

• 7.4　Construction of Raft Foundation and Box Foundation

8　Inspection and Monitoring

• 8.1　General Requirement

• 8.2　Construction Inspection

• 8.3　Foundation Excavations Inspection

• 8.4　Monitoring of Building Settlement

Appendix A　Essentials of Subgrade Coefficient From Load Test

Appendix B　Additional Stress Coefficient α and Average Additional Stress Coefficient ā

Appendix C　Coefficient δ for Settlement Calculation Using Eo

Appendix D　Calculation for the Perimeter and PolarMoment of Inertia of the Critical Punching Section

Appendix E　Coefficient of Subgrade Reaction

Appendix F　Sim plified Calculation Method for Integral Bending Moment of Raft Foundation and Box Foundation

Explanation of Wording in This Code

List of Quoted Standards