GB/T51275-2017：软土地基路基监控标准

GBT51275-2017······1

1 总则······11

2 术语和符号······12

2.1 术语······12

2.2 符号······13

3 基本规定······15

4 监控设计······17

4.1 一般规定······17

4.2 施工期监控······17

4.3 运营期监控······21

5 监测实施······23

5.1 一般规定······23

5.2 沉降监测······24

5.3 水平位移检测······26

5.4 孔隙水压力监测······28

5.5 土压力监测······29

5.6 地下水位监测······29

5.7 真空度监测······30

5.8 巡查与裂缝监测······30

5.9 测点保护与恢复······31

5.10 检测记录······31

6 监测资料分析与应用······32

6.1 一般规定······32

6.2 监测资料分析······32

6.3 路基稳定性评估······33

6.4 工后沉降预测······34

6.5 施工时间确定······35

6.6 监控报告······36

6.7 监控验收与归档······37

附录A 仪器埋没与考证表······38

附录B 监测原始记录表······44

附录C 最终沉降推算方法······48

本标准用词说明······51

引用标准名录······52

附 条文说明······53

1 总则······56

2 术语和符号······58

2.1 术语······58

3 基本规定······60

4 监控设计······62

4.2 施工期监控······62

4.3 运营期监控······65

5 监测实施······66

5.1 一般规定······66

5.2 沉降监测······66

5.3 水平位移监测······67

5.4 孔隙水压力监测······68

5.5 土压力监测······69

6 监测资料分析与应用······70

6.2 监测资料分析······70

6.3 路基稳定性评估······71

6.4 工后沉降预测······74

6.5 施工时间确定······74

6.6 监控报告······75