DBT29-252-2018······1

1 總則······10

2 術(shù)語······11

3 基本規(guī)定······13

4 勘察······15

5 設(shè)計(jì)······18

5.1 一般規(guī)定······18

5.2 回灌井布置······19

5.3 回灌水位計(jì)算及預(yù)測(cè)······20

5.4 回灌井構(gòu)造······23

6 施工與驗(yàn)收······25

6.1 成孔施工······25

6.2 井管安裝······25

6.3 濾料投放······26

6.4 止水施工······26

6.5 洗井······27

6.6 試抽水試驗(yàn)······27

6.7 成井質(zhì)量驗(yàn)收······28

7 運(yùn)行與監(jiān)測(cè)······30

7.1 運(yùn)行原則······30

7.2 回?fù)P······31

7.3 回灌監(jiān)測(cè)······31

8 回灌水源處理······33

8.1 一般規(guī)定······33

8.2 水質(zhì)處理措施······33

附錄A 單井回灌試驗(yàn)要求······34

附錄B 基坑地下水回灌工程含水層選擇······36

附錄C 回?fù)P要求······44

本規(guī)程用詞說明······45

引用標(biāo)準(zhǔn)名錄······46

條文說明······47

1 總則······50

2 術(shù)語······51

3 基本規(guī)定······52

4 勘察······53

5 設(shè)計(jì)······55

5.1 一般規(guī)定······55

5.2 回灌井布置······55

5.3 回灌水位計(jì)算及預(yù)測(cè)······60

5.4 回灌井構(gòu)造······66

6 施工與驗(yàn)收······67

6.1 成孔施工······67

6.2 井管安裝······67

6.3 濾料投放······67

6.5 洗井······68

6.7 成井質(zhì)量驗(yàn)收······68

7 運(yùn)行與監(jiān)測(cè)······70

7.1 運(yùn)行原則······70

7.2 回?fù)P······72

7.3 監(jiān)測(cè)······72

8 回灌水源處理······74

8.1 一般規(guī)定······74

8.2 水質(zhì)處理措施······74

附錄C 回?fù)P要求······76