本規(guī)范共分8章和3個(gè)附錄,主要內(nèi)容包括總則、術(shù)語(yǔ)和符號(hào)、基本規(guī)定、管井布置、管井結(jié)構(gòu)設(shè)計(jì)、管井設(shè)計(jì)出水量的確定、管井施工和管井驗(yàn)收等。

GB50296-2014······1

1 總則······11

2 術(shù)語(yǔ)和符號(hào)······12

2.1 術(shù)語(yǔ)······12

2.2 符號(hào)······15

3 基本規(guī)定······17

4 管井布置······20

4.1 供水管井布置······20

4.2 降水管井布置······22

5 管井結(jié)構(gòu)設(shè)計(jì)······24

5.1 一般規(guī)定······24

5.2 井身結(jié)構(gòu)設(shè)計(jì)······25

5.3 井管配置······27

5.4 過(guò)濾器設(shè)計(jì)······27

7 管井設(shè)計(jì)出水量的確定······37

6.1 一般規(guī)定······34

6.2 供水管井設(shè)計(jì)出水量的確定······34

6.3 降水管井設(shè)計(jì)出水量的確定······35

7 管井施工······37

7.1 一般規(guī)定······37

7.2 鉆進(jìn)、護(hù)壁與沖洗介質(zhì)······37

7.3 巖性鑒別······38

7.4 井管安裝······39

7.5 填礫與管外封閉······40

7.6 洗井與抽水試驗(yàn)······42

7.7 水樣采集與送檢······43

8 管井驗(yàn)收······45

附錄A 管井出水量計(jì)算······47

附錄B 基坑涌水量計(jì)算······49

附錄C 管井驗(yàn)收移交單······59

本規(guī)范用詞說(shuō)明······60

引用標(biāo)準(zhǔn)名錄······61

附：條文說(shuō)明······63

1 總則······65

3 基本規(guī)定······66

4 管井布置······69

4.1 供水管井布置······69

4.2 降水管井布置······71

5 管井結(jié)構(gòu)設(shè)計(jì)······73

5.1 —般規(guī)定······73

5.2 井身結(jié)構(gòu)設(shè)計(jì)······75

5.3 井管配置······76

5.4 過(guò)濾器設(shè)計(jì)······77

6 管井設(shè)計(jì)出水量的確定······85

6.1 一般規(guī)定······85

6.2 供水管井設(shè)計(jì)出水量的確定······86

6.3 降水管井設(shè)計(jì)出水量的確定······90

7 管井施工······92

7.1 一般規(guī)定······92

7.2 鉆進(jìn)、護(hù)壁與沖洗介質(zhì)······92

7.3 巖性鑒別······93

7.4 井管安裝······94

7.5 填礫與管外封閉······94

7.6 洗井與抽水試驗(yàn)······95

7.7 水樣采集與送檢······98

8 管井驗(yàn)收······99