JGJ/T87-2012：建筑工程地质勘探与取样技术规程

1 总则······11

2 术语······12

3 基本规定······15

4 勘探点位测设······16

5 钻探······17

5.1 一般规定······17

5.2 钻孔规格······17

5.3 钻进方法······18

5.4 冲洗液和护壁堵漏······20

5.5 采取鉴别土样及岩芯······22

6 钻孔取样······24

6.1 一般规定······24

6.2 钻孔取土器······25

6.3 贯入式取样······25

6.4 回转式取样······26

7 井探、槽探和洞探······27

8 探井、探槽和探洞取样······29

9 特殊性岩土······30

9.1 软土······30

9.2 膨胀岩土······30

9.3 湿陷性土······31

9.4 多年冻土······32

9.5 污染土······33

10 特殊场地······34

10.1 岩溶场地······34

10.2 水域钻探······34

10.3 冰上钻探······35

11 地下水位量测及取水试样······37

12 岩土样现场检验、封存及运输······38

13 钻孔、探井、探槽和探洞回填······40

14 勘探编录与成果······41

14.1 勘探现场记录······41

14.2 勘探成果······43

附录A 工程地质钻孔口径及钻具规格······44

附录B 岩土可钻性分级······45

附录C 不同等级土试样的取样工具适宜性······47

附录D 取土器技术标准······49

附录E 各类取土器结构示意图······51

附录F 探井、探槽、探洞剖面展开图式······57

附录G 岩土的现场鉴别······59

附录H 钻孔现场记录表式······69

附录J 现场钻孔柱状图式······70

本规程用词说明······71

引用标准名录······72

附: 条文说明······73

1 总则······77

2 术语······78

3 基本规定······79

4 勘探点位测设······80

5 钻探······81

5.1 一般规定······81

5.2 钻孔规格······81

5.3 钻进方法······82

5.4 冲洗液和护壁堵漏······83

5.5 采取鉴别土样及岩芯······84

6 钻孔取样······86

6.1 一般规定······86

6.2 钻孔取土器······86

6.3 贯入式取样······86

6.4 回转式取样······87

7 井探、槽探和洞探······89

8 探井、探槽和探洞取样······90

9 特殊性岩土······91

9.1 软土······91

9.2 膨胀岩土······91

9.3 湿陷性土······91

9.4 多年冻土······93

9.5 污染土······94

10 特殊场地······96

10.1 岩溶场地······96

10.2 水域钻探······96

10.3 冰上钻探······97

11 地下水位量测及取水试样······98

12 岩土样现场检验、封存及运输······99

13 钻孔、探井、探槽和探洞回填······100

14 勘探编录与成果······101

14.1 勘探现场记录······101

14.2 勘探成果······104

附录B 岩土可钻性分级······105