下沉式地道工程施工监控量测方案.doc

目 录 一、工程概况---------------------------------------------------------------------------------------------------------1 二、监测方案编制技术依据及编制原则------------------------------------------------------------------------1 2.1监测方案编制技术依据-------------------------------------------------------------------------------------1 2.2监测方案编制原则-------------------------------------------------------------------------------------------2 三、监测工作的目的及要求-----------------------------------------------------------------------------------------2 3.1监测工作要求-------------------------------------------------------------------------------------------------2 3.2监测工作目的-------------------------------------------------------------------------------------------------2 四、基坑监测内容和重点-------------------------------------------------------------------------------------------3 4.1基坑监测内容-------------------------------------------------------------------------------------------------3 4.2基坑监测的重点----------------------------------------------------------------------------------------------4 五、监测的方法、仪器和监测点的布置和埋设-----------------------------------------------------------------4 5.1基坑地下水位监测-------------------------------------------------------------------------------------------4 5.2桩顶水平位移监测-------------------------------------------------------------------------------------------5 5.3桩体水平位移监测-------------------------------------------------------------------------------------------7 5.4桩内力监测----------------------------------------------------------------------------------------------------8 5.5周边地表沉降监测-------------------------------------------------------------------------------------------9 5.6基坑施工对津滨、津秦高铁基础影响监测------------------------------------------------------------10 5.7监测点的保护措施------------------------------------------------------------------------------------------19 六、监测控制网的布设与检测-------------------------------------------------------------------------------------19 6.1沉降监测控制网的布设-----------------------------------