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

3　基本规定

4　冻结设计

• 4.1　一般规定

• 4.2　地质资料

• 4.3　地层冻结方案

• 4.4　冻结壁参数设计

• 4.5　冻结壁厚度计算

• 4.6　冻结孔布置

• 4.7　冻结时间

• 4.8　观测孔布置

• 4.9　制冷站制冷系统

5　冻结钻孔施工与验收

• 5.1　一般规定

• 5.2　钻孔施工

• 5.3　钻孔偏斜控制

• 5.4　冻结钻孔验收

6　冻结器安装与验收

• 6.1　一般规定

• 6.2　冻结器安装

• 6.3　冻结器验收

7　制冷站安装与运转

• 7.1　一般规定

• 7.2　制冷站安装

• 7.3　制冷站运转

• 7.4　制冷站安装验收

8　冻结壁检测与判断

• 8.1　温度观测孔及冻结器检测

• 8.2　水文观测孔检测

• 8.3　冻结壁形成的判断

9　井筒掘进与支护

• 9.1　井筒掘进

• 9.2　井筒支护

• 9.3　施工过程中的检测

• 9.4　壁间及壁后注浆

10　冻结管（孔）处理

• 10.1　冻结管回收

• 10.2　冻结管（孔）充填

• 10.3　冻结管（孔）充填质量验收

11　绿色施工

• 11.1　一般规定

• 11.2　氨及盐水回收

• 11.3　污染源控制

• 11.4　职业健康

附录A　岩层稳定性分类

附录B　人工冻土强度与蠕变

附录C　氨循环系统相关参数

附录D　钻场基础施工验收

附录E　钻孔常用泥浆组成及配制方法

附录F　冻结钻孔分项工程质量验收记录

附录G　冻结管材外观质量检查记录

附录H　钻孔配、下管记录

附录J　冻结管焊接打压试漏验收

附录K　冻结管耐压复测

附录L　制冷站氨系统密封性能试验

附录M　制冷站运转日志

附录N　制冷冻结分项工程质量验收记录

附录P　冻结分部工程质量验收记录

附录Q　冻结立井开挖井帮温度检测

附录R　冻结立井开挖井帮位移检测

附录S　冻结立井开挖工作面底鼓量检测

本标准用词说明

引用标准名录

1　General provisions

2　Terms

3　Basic requirements

4　Design of freezing

• 4.1　General requirements

• 4.2　Geological data

• 4.3　Design principles for freezing plan

• 4.4　Design parameter of frozen wall

• 4.5　Calculation of freezing wall thickness

• 4.6　Arrangement of freezing holes

• 4.7　Duration of freezing

• 4.8　Arrangement of observation holes

• 4.9　Design of refrigeration system

5　Construction and acceptance of freezing hole

• 5.1　General requirements

• 5.2　Construction of freezing hole

• 5.3　Deflection control of freezing hole

• 5.4　Acceptance of freezing hole

6　Installation and acceptance of freezing apparatus

• 6.1　General requirements

• 6.2　Installation of freezing apparatus

• 6.3　Acceptance of freezing apparatus

7　Installation and operation of refrigeration plant

• 7.1　General requirements

• 7.2　Installation of refrigeration plant

• 7.3　Operation of refrigeration plant

• 7.4　Acceptance of refrigeration plant installation

8　Detection and judgement of frozen wall

• 8.1　Detection of temperature observation holes and freezing apparatus

• 8.2　Detection of water level observation hole

• 8.3　Judgement of frozen wall formation

9　Excavating and supporting of shaft

• 9.1　Shaft excavation

• 9.2　Shaft support

• 9.3　Detection during construction

• 9.4　Grouting behind and between linings

10　Freezing pipe （hole） processing

• 10.1　Freezing pipe recycling

• 10.2　Freezing pipe （hole） filling

• 10.3　Quality acceptance of freezing pipe （hole） filling

11　Green construction

• 11.1　General requirements

• 11.2　Ammonia and brine recycling

• 11.3　Pollution source control

• 11.4　Occupational health

Appendix A　Classifications of strata stability

Appendix B　Strenghth and creep of artificial frozen soil

Appendix C　Correlation parameter of ammonia recycle system

Appendix D　Acceptance of foundation construction of drilling field

Appendix E　Mud composition and preparation method of drill hole

Appendix F　Record of quality acceptance of freezing hole

Appendix G　Record of quality appearance of freezing pipes inspection

Appendix H　Record of tubing of drill hole

Appendix J　Acceptance of pressure leakage test of freezing pipe welding

Appendix K　Pressure retest of freezing pipe

Appendix L　Ammonia system sealing performance test of refrigeration plant

Appendix M　Running log of refrigeration plant

Appendix N　Record of quality acceptance of freezing classifications

Appendix P　Record of quality acceptance of freezing division

Appendix Q　Side wall temperature detection of freezing excavating

Appendix R　Radial displacement detection of freezing excavating

Appendix S　Vertical displacement detection of freezing excavating face

Explanation of wording in this standard

List of quoted standards