GBT50374-2018······1

1 總則······11

2 器材檢驗······12

2.1 一般規定······12

2.2 水泥及水泥制品······12

2.3 砂······13

2.4 石子······13

2.5 磚······14

2.6 砌塊······14

2.7 水······15

2.8 水泥管塊······15

2.9 塑料管及配件······16

2.10 鋼材、鋼管與鐵件······19

3 工程測量······21

4 土方工程······23

4.1 挖掘溝坑······23

4.2 回填土······25

5 模板、鋼筋及混凝土、砂漿······27

5.1 裝拆模板······27

5.2 鋼筋加工······28

5.3 混凝土澆筑······29

5.4 水泥砂漿······30

6 人(手)孔、通道建筑······31

6.1 一般規定······31

6.2 地基與基礎······31

6.3 墻體······32

6.4 人(手)孔上覆及通道溝蓋板······33

6.5 口圈和井蓋······35

7 鋪設管道······36

7.1 一般規定······36

7.2 地基······37

7.3 基礎······37

7.4 水泥管道鋪設······41

7.5 塑料管道鋪設······44

7.6 銅管鋪設······47

8 工程驗收······48

8.1 隨工驗收······48

8.2 工程初驗······50

8.3 工程終驗······51

附錄A 回彈儀測量混凝土的強度······53

附錄B 水泥管塊規格和多孔塑料管端面······57

附錄C 塑料管材規格······60

附錄D 常用各種標號普通混凝土參考配比及每立方米用料量······63

附錄E 定型人孔及體積表······66

附錄F 土、石質分類······69

附錄G 工程驗收項目和內容······70

本標準用詞說明······72

引用標準名錄······73

附: 條文說明······75

2 器材檢驗······77

2.1 一般規定······77

2.2 水泥及水泥制品······77

2.5 磚······77

2.10 鋼材、鋼管與鐵件······77

3 工程測量······78

4 土方工程······79

4.1 挖掘溝坑······79

5 模板、鋼筋及混凝土、砂漿······84

5.3 混凝土澆筑······84

6 人(手)孔、通道建筑······85

6.1 一般規定······85

6.2 地基與基礎······85

6.3 墻體······85

6.5 口圈和井蓋······86

7 鋪設管道······88

7.1 一般規定······88

7.5 塑料管道鋪設······88

8 工程驗收······92

8.1 隨工驗收······92