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37 附录D 钻孔常用泥浆组成及配制方法

38 附录E 冻结管材外观质量检查

39 附录F 钻孔配、下管记录表

40 附录H 冻结管焊接打压试漏验收

41 附录J 冻结管耐压复测

42 附录K 制冷站氨系统密封性能试验

43 附录L 制冷站运转日志

45 附录M 冻结立井开挖井帮温度检测

46 附录N 冻结立井开挖井帮位移检测

47 附录P 冻结立井开挖工作面底鼓量检测

48 本规范用词说明

49 引用标准名录

50 条文说明

51 Contents

1 General provisions

1 2 Terms

2 3 Basic requirement

4 4 Preparations prior to construction

5 4.1 General requirement

5 4.2 Geological data

5 4.3 Design principles for freezing plan

6 5 Construction and acceptance of drilling for freezing

9 5.1 General requirement

9 5.2 Drilling for freezing construction工95.3 Deviational survey and correction of drilling for freezing

10 5.4 Acceptance of drilling for freezing

10 6 Installation and acceptance of freezing apparatus

12 6.1 General requirement

12 6.2 Installation of freezing apparatus

12 6.3 Replacement filling of annular space of outside tube

13 6.4 Acceptance of freezing apparatus

13 7 Installation and operation of freezing plant

14 7.1 General requirement

14 7.2 Installation of freezing plant

14 7.3 Operation of freezing plant

15 7.4 Acceptance of freezing plant installation

15 8 Detection and judgement of freezing wall

17 8.1 Detection of temperature observation holes and freezing apparatus

17 8.2 Detection of water level observation hole

17 8.3 Judgement of freezing wall formation

17 9 Excavating and supporting of shaft

19 9.1 Shaft excavating

19 9.2 Shaft supporting

22 9.3 Detection in construction

22 9.4 Grouting behind and between linings

24 10 Freezing pipe (hole) processing

26 10.1 Freezing pipe recycling

26 10.2 Freezing pipe (hole) filling

26 10.3 Quality acceptance of freezing pipe (hole) filling

26 11 Environmental protection and occupational health

27 11.1 Ammonia and brine recycling

27 11.2 Pollution source control

27 11.3 Occupational health

27 Appendix A Classifications of strata stability

28 Appendix B Design calculation of refrigerating capacityof freezing plant

29 Appendix C Acceptance of foundation construction of drilling field

37 Appendix D Mud composition and preparation method of drilling

38 Appendix E Quality appearance of freezing pipes inspection

39 Appendix F Record table of tubing of drill hole

40 Appendix H Acceptance of pressure leakage test of freezing pipe welding

41 Appendix J Pressure retest of freezing pipe

42 Appendix K Ammonia system sealing performance test of freezing plant

43 Appendix L Running log of freezing plant

45 Appendix M Side wall temperature detection of freezing excavating

46 Appendix N Radial displacement detection of freezing excavating

47 Appendix P Vertical displacement detection of freezing excavating face

48 Explanation of wording in this code

49 List of quoted standards

50 Explanation of provisions

51 1 总则1.0.1 为了确保立井冻结法施工安全和质量,统一立井冻结法施工及质量验收规定,制订本规范. 1.0.2 本规范适用于冲积层厚度小于550m,冻结深度小于700m的立井井筒冻结法施工及其工程质量的验收. 1.0.3 立井冻结法工程承包合同和工程技术文件对施工质量的要求应不低于本规范的规定. 1.0.4 立井冻结法工程施工应实行现代化科学管理,实施绿色施工,不断提高管理水平. 1.0.5 立井冻结法工程施工应积极推广应用成熟的新工艺、新技术、新设备、新材料. 1.0.6 立井冻结法施工及质量验收除应符合本规范的规定外,尚应符合国家现行有关标准的规定.