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　管井布置

• 4.1　供水管井布置

• 4.2　降水管井布置

5　管井结构设计

• 5.1　一般规定

• 5.2　井身结构设计

• 5.3　井管配置

• 5.4　过滤器设计

6　管井设计出水量的确定

• 6.1　一般规定

• 6.2　供水管井设计出水量的确定

• 6.3　降水管井设计出水量的确定

7　管井施工

• 7.1　一般规定

• 7.2　钻进、护壁与冲洗介质

• 7.3　岩性鉴别

• 7.4　井管安装

• 7.5　填砾与管外封闭

• 7.6　洗井与抽水试验

• 7.7　水样采集与送检

8　管井验收

附录A　管井出水量计算

附录B　基坑涌水量计算

附录C　管井验收移交单

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 Tube well arrangement

• 4.1 Water supply tube well arrangement

• 4.2 Dewatering tube well arrangement

5 Tube well structure design

• 5.1 General requirement

• 5.2 Well structure design

• 5.3 Well tube configuration

• 5.4 Filter design

6 Determination of designed outlet water from tube well

• 6.1 General requirement

• 6.2 Determination of designed outlet water from water supply tube well

• 6.3 Determination of designed outlet water from dewatering tube well

7 Tube well construction

• 7.1 General requirement

• 7.2 Drilling，casing protection and flushing medium

• 7.3 lithology distinguishing

• 7.4 Istallation of well pipe

• 7.5 Gravel packing and sealing

• 7.6 Well flushing and pumping test

• 7.7 Water sampling and inspection

8 Tube well acceptance

Appendix A Calculation of outlet water from tube well

Appendix B Calculation of yield of foundation pit

Appendix C Acceptance and transfer sheet of tube well

Explanation of wording in this code

List of quoted standards