GB50497-2019······1

1 總則······12

2 術(shù)語······13

3 基本規(guī)定······15

4 監(jiān)測項目······19

4.1 一般規(guī)定······19

4.2 儀器監(jiān)測······19

4.3 巡視檢查······21

5 監(jiān)測點布置······24

5.1 一般規(guī)定······24

5.2 基坑及支護結(jié)構(gòu)······24

5.3 基坑周邊環(huán)境······27

6 監(jiān)測方法及精度要求······29

6.1 一般規(guī)定······29

6.2 水平位移監(jiān)測······30

6.3 豎向位移監(jiān)測······32

6.4 深層水平位移監(jiān)測······34

6.5 傾斜監(jiān)測······34

6.6 裂縫監(jiān)測······35

6.7 支護結(jié)構(gòu)內(nèi)力監(jiān)測······36

6.8 土壓力監(jiān)測······36

6.9 孔隙水壓力監(jiān)測······37

6.10 地下水位控制監(jiān)測······38

6.11 錨桿軸力監(jiān)測······38

6.12 土體分層豎向位移監(jiān)測······38

6.13 坑底隆起監(jiān)測······39

6.14 爆破振動監(jiān)測······39

7 監(jiān)測頻率······41

8 監(jiān)測預警······44

9 數(shù)據(jù)處理與信息反饋······49

附錄A 水平位移、豎向位移監(jiān)測日報表······51

附錄B 深層水平位移監(jiān)測日報表······52

附錄C 圍護墻內(nèi)力、立柱內(nèi)力及土壓力、孔隙水壓力監(jiān)測日報表······53

附錄D 支撐軸力、錨桿軸力監(jiān)測日報表······54

附錄E 地下水位、地表豎向位移、分層豎向位移、坑底隆起監(jiān)測日報表······55

附錄F 裂縫監(jiān)測日報表······56

附錄G 巡視檢查日報表······57

本標準用詞說明······59

引用標準名錄······60

附：條文說明······61

1 總則······65

2 術(shù)語······68

3 基本規(guī)定······69

4 監(jiān)測項目······75

4.1 一般規(guī)定······75

4.2 儀器監(jiān)測······75

4.3 巡視檢查······80

5 監(jiān)測點布置······82

5.1 一般規(guī)定······82

5.2 基坑及支護結(jié)構(gòu)······83

5.3 基坑周邊環(huán)境······85

6 監(jiān)測方法及精度要求······88

6.1 一般規(guī)定······88

6.2 水平位移監(jiān)測······89

6.3 豎向位移監(jiān)測······92

6.4 深層水平位移監(jiān)測······93

6.5 傾斜監(jiān)測······94

6.6 裂縫監(jiān)測······94

6.8 土壓力監(jiān)測······94

6.9 孔隙水壓力監(jiān)測······95

6.11 錨桿軸力監(jiān)測······95

6.12 土體分層豎向位移監(jiān)測······96

6.13 坑底隆起監(jiān)測······96

6.14 爆破振動監(jiān)測······96

7 監(jiān)測頻率······98

8 監(jiān)測預警······100

9 數(shù)據(jù)處理與信息反饋······106