DBT29-178-2018······1

1 總則······10

2 術(shù)語······11

3 基本規(guī)定······16

4 工程勘察······17

4.1 基本要求······17

4.2 地質(zhì)勘察······17

4.3 熱物性測(cè)試······18

5 地埋管換熱系統(tǒng)設(shè)計(jì)······20

5.1 基本要求······20

5.2 管材與傳熱介質(zhì)······20

5.3 設(shè)計(jì)負(fù)荷與系統(tǒng)選擇······21

5.4 地埋管換熱系統(tǒng)設(shè)計(jì)······22

6 地埋管換熱系統(tǒng)施工······26

6.1 基本要求······26

6.2 管材進(jìn)場(chǎng)······27

6.3 鉆孔施工······27

6.4 管網(wǎng)安裝······29

6.5 水壓試驗(yàn)······29

7 地埋管地源熱泵系統(tǒng)的檢驗(yàn)、調(diào)試與驗(yàn)收······31

7.1 基本要求······31

7.2 檢驗(yàn)······32

7.3 調(diào)試與驗(yàn)收······33

8 地埋管換熱場(chǎng)區(qū)巖土動(dòng)態(tài)監(jiān)測(cè)······35

8.1 基本要求······35

8.2 地溫監(jiān)測(cè)······35

8.3 循環(huán)流量、溫度監(jiān)測(cè)······36

8.4 咸水底界監(jiān)測(cè)······37

附錄A淺層地?zé)崮苡?jì)算方法······38

附錄B現(xiàn)場(chǎng)巖土熱響應(yīng)試驗(yàn)······40

附錄C豎直地埋管換熱系統(tǒng)設(shè)計(jì)計(jì)算······45

附錄D地埋管壓力損失計(jì)算······48

附錄E各區(qū)核心區(qū)120米處地溫分布情況表······50

本規(guī)程用詞說明······51

引用標(biāo)準(zhǔn)名錄······52

條文說明······53

1 總則······56

3 基本規(guī)定······57

4 工程勘察······58

4.1 基本要求······58

4.2 地質(zhì)勘察······58

4.3 熱物性測(cè)試······58

5 地埋管換熱系統(tǒng)設(shè)計(jì)······60

5.2 管材與傳熱工質(zhì)······60

5.3 設(shè)計(jì)負(fù)荷與系統(tǒng)選擇······60

5.4 地埋管換熱系統(tǒng)設(shè)計(jì)······61

6 地埋管換熱系統(tǒng)施工······64

6.1 基本要求······64

6.3 鉆孔施工······66

6.4 管網(wǎng)安裝······67

7 地埋管換熱系統(tǒng)的檢驗(yàn)、調(diào)試與驗(yàn)收······68

7.2 檢驗(yàn)······68

7.3 調(diào)試與驗(yàn)收······68

8 地埋管換熱場(chǎng)區(qū)巖土動(dòng)態(tài)監(jiān)測(cè)······69

8.1 基本要求······69

8.2 地溫監(jiān)測(cè)······69

附錄B巖土熱響應(yīng)試驗(yàn)······71