本規(guī)范的主要技術內容是:1.總則；2.術語和符號；3.基本規(guī)定； 4.監(jiān)測項目及要求； 5.支護結構和周圍巖土體監(jiān)測點布設；6.周邊環(huán)境監(jiān)測點布設；7.監(jiān)測方法及技術要求；8.監(jiān)測頻率； 9.監(jiān)測項目控制值和預警；10.線路結構變形監(jiān)測； 11.監(jiān)測成果及信息反饋。

GB50911-2013······1

1 總則······13

2 術語和符號······14

2.1 術語······14

2.2 符號······15

3 基本規(guī)定······17

3.1 基本要求······17

3.2 工程影響分區(qū)及監(jiān)測范圍······19

3.3 工程監(jiān)測等級劃分······20

4 監(jiān)測項目及要求······23

4.1 一般規(guī)定······23

4.2 儀器監(jiān)測······23

4.3 現(xiàn)場巡查······28

4.4 遠程視頻監(jiān)控······30

5 支護結構和周圍巖土體監(jiān)測點布設······31

5.1 一般規(guī)定······31

5.2 明挖法和蓋挖法······31

5.3 盾構法······35

5.4 礦山法······37

6 周邊環(huán)境監(jiān)測點布設······40

6.1 一般規(guī)定······40

6.2 建(構)筑物······40

6.3 橋梁······41

6.4 地下管線······42

6.5 高速公路與城市道路······42

6.6 既有軌道交通······43

7 監(jiān)測方法及技術要求······44

7.1 一般規(guī)定······44

7.2 水平位移監(jiān)測······45

7.3 豎向位移監(jiān)測······47

7.4 深層水平位移監(jiān)測······48

7.5 土體分層豎向位移監(jiān)測······49

7.6 傾斜監(jiān)測······50

7.7 裂縫監(jiān)測······51

7.8 凈空收斂監(jiān)測······51

7.9 爆破振動監(jiān)測······53

7.10 孔隙水壓力監(jiān)測······53

7.11 地下水位監(jiān)測······54

7.12 巖土壓力監(jiān)測······55

7.13 錨桿和土釘拉力監(jiān)測······56

7.14 結構應力監(jiān)測······56

7.15 現(xiàn)場巡查······56

7.16 遠程視頻監(jiān)控······57

8 監(jiān)測頻率······58

8.1 一般規(guī)定······58

8.2 監(jiān)測頻率要求······59

9 監(jiān)測項目控制值和預警······62

9.1 一般規(guī)定······62

9.2 支護結構和周圍巖土體······63

9.3 周邊環(huán)境······67

10 線路結構變形監(jiān)測······71

10.1 一般規(guī)定······71

10.2 線路結構監(jiān)測要求······71

11 監(jiān)測成果及信息反饋······73

附錄A 監(jiān)測項目代號和圖例······76

附錄B 基準點、監(jiān)測點的埋設······80

附錄C 現(xiàn)場巡查報表······88

附錄D 監(jiān)視日報表······92

本規(guī)范用詞說明······96

引用標準名錄······97

附: 條文說明······99

1 總則······102

2 術語和符號······104

2.1 術語······104

2.2 符號······104

3 基本規(guī)定······105

3.1 基本要求······105

3.2 工程影響分區(qū)及監(jiān)測范圍······110

3.3 工程監(jiān)測等級劃分······119

4 監(jiān)測項目及要求······125

4.1 一般規(guī)定······125

4.2 儀器監(jiān)測······125

4.3 現(xiàn)場巡查······131

4.4 遠程視頻監(jiān)控······131

5 支護結構和周圍巖土體監(jiān)測點布設······132

5.1 一般規(guī)定······132

5.2 明挖法和蓋挖法······132

5.3 盾構法······135

5.4 礦山法······137

6 周邊環(huán)境監(jiān)測點布設······139

6.1 一般規(guī)定······139

6.2 建(構)筑物······139

6.3 橋梁······140

6.4 地下管線······140

6.5 高速公路與城市道路······142

6.6 既有軌道交通······142

7 監(jiān)測方法及技術要求······144

7.1 一般規(guī)定······144

7.2 水平位移監(jiān)測······145

7.3 豎向位移監(jiān)測······146

7.4 深層水平位移監(jiān)測······147

7.5 土體分層豎向位移監(jiān)測······148

7.6 傾斜監(jiān)測······149

7.7 裂縫監(jiān)測······150

7.8 凈空收斂監(jiān)測······150

7.9 爆破振動監(jiān)測······153

7.10 孔隙水壓力監(jiān)測······154

7.14 結構應力監(jiān)測······155

7.15 現(xiàn)場巡查······157

8 監(jiān)測頻率······158

8.1 一般規(guī)定······158

8.2 監(jiān)測頻率要求······159

9 監(jiān)測項目控制值和預警······162

9.1 一般規(guī)定······162

9. 2 支護結構和周圍巖土體······165

9.3 周邊環(huán)境······182

10 線路結構變形監(jiān)測······186

10.1 一般規(guī)定······186

10.2 線路結構監(jiān)測要求······186

11 監(jiān)測成果及信息反饋······188