浙江省住房和城乡建设厅文件

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　建筑地基勘察

• 4.1　一般规定

• 4.2　地基岩土的分类

• 4.3　勘察要点

5　地基计算

• 5.1　承载力计算

• 5.2　变形计算

• 5.3　稳定性计算

6　山区地基

• 6.1　一般规定

• 6.2　岩石地基

• 6.3　土岩组合地基

• 6.4　填土地基

• 6.5　岩溶与土洞

• 6.6　建筑边坡

7　海涂地基

• 7.1　一般规定

• 7.2　吹填超软土层处理

• 7.3　地基基础设计

8　地基处理

• 8.1　一般规定

• 8.2　换填垫层法

• 8.3　强夯法和强夯置换法

• 8.4　砂石桩法

• 8.5　振冲法

• 8.6　水泥土搅拌法

• 8.7　高压喷射注浆法

• 8.8　排水固结法

• 8.9　刚—柔性桩法

• 8.10　爆炸置换法

• 8.11　桩网复合地基

9　基　　础

• 9.1　一般规定

• 9.2　基础埋置深度

• 9.3　无筋扩展基础

• 9.4　扩展基础

• 9.5　柱下条形基础

• 9.6　筏形基础

• 9.7　岩石锚杆基础

• 9.8　地下结构抗浮

10　桩基础

• 10.1　一般规定

• 10.2　桩基承载力计算

• 10.3　桩基础沉降计算

• 10.4　桩基承台设计

• 10.5　软土地基减沉复合疏桩基础

• 10.6　各类桩型

11　沉　　井

• 11.1　一般规定

• 11.2　计　　算

• 11.3　基本构造要求

12　基坑支护

• 12.1　一般规定

• 12.2　设计计算

• 12.3　与主体结构相结合的支护结构

• 12.4　地下水控制

13　减少建筑物受到地基变形危害的措施

• 13.1　一般规定

• 13.2　建筑措施

• 13.3　结构措施

• 13.4　施工措施

14　既有建筑地基变形危害的补救

• 14.1　一般规定

• 14.2　场地及地下水治理

• 14.3　纠倾加固

• 14.4　地基基础加固

15　地基基础抗震设计要点

• 15.1　场　　地

• 15.2　天然地基和浅基础

• 15.3　液化土

• 15.4　桩基础

16　检验与监测

• 16.1　一般规定

• 16.2　检　　验

• 16.3　监　　测

附录A　岩石风化程度划分

附录B　深层平板载荷试验要点

附录C　岩石地基载荷试验要点

附录D　岩石饱和单轴抗压强度试验要点

附录E　附加应力系数α、平均附加应力系数

附录F　岩石锚杆抗拔试验

附录G　平均固结度的计算

附录H　阶梯型承台及锥形承台斜截面受剪的截面宽度

附录J　抗浮锚杆设计计算要点

附录K　单桩竖向抗压静载荷试验

附录L　预制及灌注桩竖向承载力特征值

附录M　单桩水平静载荷试验

附录N　单桩竖向抗拔静载荷试验

附录P　负摩阻力发挥系数ψfi

附录Q　Mindlin应力公式应力影响系数

附录R　无桩靴夯扩桩的设计参数

附录S　土层锚杆试验要点

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

4　Foundation investigation

• 4.1　General requirements

• 4.2　Geotechnical classification

• 4.3　Key points of investigation

5　Foundation design calculation

• 5.1　Bearing capacity caluculation

• 5.2　Deformation caluculation

• 5.3　Stability caluculation

6　Foundation in mountain area

• 6.1　General requirements

• 6.2　Foundation on rock

• 6.3　Foundation on rock and soil

• 6.4　Foundation on compacted fill

• 6.5　Karst and sinkhole

• 6.6　Building slope

7　Tideland foundation

• 7.1　General requirements

• 7.2　Treatment for ultra-soft reclaimed soil

• 7.3　Foundation design

8　Foundation treatment

• 8.1　General requirements

• 8.2　Replacementand cushion method

• 8.3　Dynamic compaction and dynamic replacement

• 8.4　Sand-gravel pile

• 8.5　Vibroflotation method

• 8.6　Deep cement mixing

• 8.7　High-pressure jet grouting

• 8.8　Drainage consolidation

• 8.9　Rigid-flexible pile

• 8.10　Blasting replacement method

• 8.11　Pile-met composite foundation

9　Foundation type

• 9.1　General requirements

• 9.2　Embedded depth of foundation

• 9.3　Unreinforced spread footing

• 9.4　Spread footing

• 9.5　Strip footing under column

• 9.6　Raft foundation

• 9.7　Foundation on rock-anchor system

• 9.8　Anti-floating of underground structure

10　Pile foundation

• 10.1　General requirements

• 10.2　Bearing capacity calculation for pile foundation

• 10.3　Settlement calculation for pile foundation

• 10.4　Design of pile caps

• 10.5　Composite foundation with settlement-reducing piles

• 10.6　Pile type

11　Open caisson

• 11.1　General requirements

• 11.2　Calculation

• 11.3　Basic structural requirements

12　Foundation pit

• 12.1　General requirements

• 12.2　Design calculation

• 12.3　Supporting structure combined with main body structure

• 12.4　Groundwater control

13　Measures to reduce the damage of foundation deformation to buildings

• 13.1　General requirements

• 13.2　Architectural measurement

• 13.3　Structural measurement

• 13.4　Construction measurement

14　Remediation for the damage of foundation deformation to buildings

• 14.1　General requirements

• 14.2　Site and groundwater treatment

• 14.3　Rectification and reinforcement

• 14.4　Foundation reinforcement

15　Key points for foundation seismic design

• 15.1　Site

• 15.2　Natural foundation and shallow foundation

• 15.3　Liquefied soil

• 15.4　Pile foundation

16　Inspection and monitoring

• 16.1　General requirements

• 16.2　Inspection

• 16.3　Monitoring

Appendix A　Classification of rock seathering degree

Appendix B　Key points for deep plate load testing

Appendix C　Key points for loading test on rock

Appendix D　Requirements for uni-axial compressive strength testing on rock

Appendix E　Stress influence coefficient α、average stress influence coefficient

Appendix F　Pullout resistance testing on rock anchors

Appendix G　Calculation of average consolidation degree

Appendix H　Anti-shearing sectional width of step and cone-shape pile cap

Appendix J　Key points for design calculation of antifloating anchor rod

Appendix K　Vertical compressive static load test on single pile

Appendix L　Characteristic value of vertical bearing capacity of precast and cast-in-place piles

Appendix M　Lateral static load test on single pile

Appendix N　Uplift capacity test on single pile

Appendix P　Negative skin friction coeffiction ψfi

Appendix Q　Stress influence coefficientin mindlin stress formula

Appendix R　Design parameters for rammed bulb pile without piling boots

Appendix S　Key points for pre-stressed earth anchor testing

Explanation of wording in this code

List of quoted standard