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　勘　　察

• 4.1　一般规定

• 4.2　各勘察阶段工作要求

• 4.3　测定黄土湿陷性的试验

• 4.4　黄土湿陷性评价

5　设　　计

• 5.1　一般规定

• 5.2　场址选择与总平面设计

• 5.3　建筑设计

• 5.4　结构设计

• 5.5　给水排水、供热与通风设计

• 5.6　地基计算

• 5.7　桩　　基

• 5.8　基坑设计

6　地基处理

• 6.1　一般规定

• 6.2　垫层法

• 6.3　强夯法

• 6.4　挤密法

• 6.5　预浸水法

• 6.6　组合处理

• 6.7　黄土高填方地基

7　施　　工

• 7.1　一般规定

• 7.2　地基处理和桩基施工

• 7.3　基坑和基槽施工

• 7.4　上部结构施工

• 7.5　管道和储水构筑物施工

8　地基及桩基验收检验

• 8.1　一般规定

• 8.2　地基验收检验

• 8.3　桩基验收检验

9　既有建筑物地基加固和纠倾

• 9.1　一般规定

• 9.2　单液硅化法和碱液加固法

• 9.3　旋喷加固法

• 9.4　坑式静压桩托换法

• 9.5　纠　　倾

10　使用与维护

• 10.1　一般规定

• 10.2　维护与检修

• 10.3　沉降观测和地下水位观测

附录A　各类建筑举例

附录B　中国湿陷性黄土工程地质分区

附录C　黄土地层的划分

附录D　新近堆积黄土的判别

附录E　钻孔内采取不扰动土样的操作要点

附录F　未消除全部湿陷量的地基地下水位上升时的设计措施

附录G　单桩竖向静载荷浸水试验要点

附录H　复合地基浸水载荷试验要点

附录J　垫层、强夯和挤密地基载荷试验要点

本标准用词说明

引用标准名录

1　General Provisions

2　Terms and Symbols

• 2.1　Terms

• 2.2　Symbols

3　Basic Requirements

4　Geotechnical Investigation

• 4.1　Greneral Requirements

• 4.2　Requirements of Various Geotechnical Investigation Stage

• 4.3　The Determination Test of Collapsible Loess

• 4.4　Loess Collapsibility Evaluation

5　Design

• 5.1　General Requirements

• 5.2　Site Selection and General Layout Design

• 5.3　Architectural Design

• 5.4　Structured Design

• 5.5　Water Supply and Drainage, Heating and Ventilation design

• 5.6　Foundation Calculation

• 5.7　Pile Foundation

• 5.8　Excavation Design

6　Ground Treatment

• 6.1　General Requirements

• 6.2　Replacement Layer of Compacted Fill

• 6.3　Dynamic Compaction

• 6.4　 Compacted Column

• 6.5　Prewatering Method

• 6.6　Composite Ground Treatment

• 6.7　Loess High Filling Ground

7　Construction

• 7.1　General Requirements

• 7.2　Construction of Ground Treatment and Pile Foundation

• 7.3　Construction of Excavation

• 7.4　Construction of Main Body Structure

• 7.5　Construction of Pipeline and Water Storage Structres

8　Acceptance Inspection of Ground and Pile Foundation

• 8.1　General Requirements

• 8.2　Inspection of Ground

• 8.3　Inspection of Pile Foundation

9　Improvement of Ground and Foundation and Tilt Rectifying of Existing Buildings

• 9.1　General Requirements

• 9.2　Improvement by Grouting Sodium Silicate or Lye

• 9.3　Jet Grouting Column Reinforcement Method

• 9.4　Pit-jacked Pile for Underpinning

• 9.5　Improvement for Tilt Rectifying

10　Application and Maintenance

• 10.1　General Requirements

• 10.2　Maintenance and Overhaul

• 10.3　Observation of Settlement and Groundwater Level

Appendix A　Each Class of Architecture Examples

Appendix B　Engineering Geology Partition of China Collapsible Loess foldout

Appendix C　Stratigraphical Division of The Loess

Appendix D　The Discrimination of Recently Deposition Collapsible Loess

Appendix E　Key Points of Taking Undisturbed Sample at Drill Hole

Appendix F　Design Measures of Rising Underground Water Level of Unquenched Whole Collapse Settlement Foundation

Appendix G　Key Points of Static Soaking Load Test of Pile Vertical Bearing Capacity

Appendix H　Key Points of Composite Foundation Soaking Load Test

Appendix J　Key Points of Replacement Layer of compacted file, Dynamic Compaction and Compacted Column Composite Foundation Load Test

Explanation of Wording in This Standard

List of Quoted Standard