GB50497-2019······1
1 总则······12
2 术语······13
3 基本规定······15
4 监测项目······19
4.1 一般规定······19
4.2 仪器监测······19
4.3 巡视检查······21
5 监测点布置······24
5.1 一般规定······24
5.2 基坑及支护结构······24
5.3 基坑周边环境······27
6 监测方法及精度要求······29
6.1 一般规定······29
6.2 水平位移监测······30
6.3 竖向位移监测······32
6.4 深层水平位移监测······34
6.5 倾斜监测······34
6.6 裂缝监测······35
6.7 支护结构内力监测······36
6.8 土压力监测······36
6.9 孔隙水压力监测······37
6.10 地下水位控制监测······38
6.11 锚杆轴力监测······38
6.12 土体分层竖向位移监测······38
6.13 坑底隆起监测······39
6.14 爆破振动监测······39
7 监测频率······41
8 监测预警······44
9 数据处理与信息反馈······49
附录A 水平位移、竖向位移监测日报表······51
附录B 深层水平位移监测日报表······52
附录C 围护墙内力、立柱内力及土压力、孔隙水压力监测日报表······53
附录D 支撑轴力、锚杆轴力监测日报表······54
附录E 地下水位、地表竖向位移、分层竖向位移、坑底隆起监测日报表······55
附录F 裂缝监测日报表······56
附录G 巡视检查日报表······57
本标准用词说明······59
引用标准名录······60
附：条文说明······61
1 总则······65
2 术语······68
3 基本规定······69
4 监测项目······75
4.1 一般规定······75
4.2 仪器监测······75
4.3 巡视检查······80
5 监测点布置······82
5.1 一般规定······82
5.2 基坑及支护结构······83
5.3 基坑周边环境······85
6 监测方法及精度要求······88
6.1 一般规定······88
6.2 水平位移监测······89
6.3 竖向位移监测······92
6.4 深层水平位移监测······93
6.5 倾斜监测······94
6.6 裂缝监测······94
6.8 土压力监测······94
6.9 孔隙水压力监测······95
6.11 锚杆轴力监测······95
6.12 土体分层竖向位移监测······96
6.13 坑底隆起监测······96
6.14 爆破振动监测······96
7 监测频率······98
8 监测预警······100
9 数据处理与信息反馈······106
