广州市轨道交通十三号线首期工程（鱼珠至象颈岭段）【施工四标】土建工程监控量测方案编制：审核：批准：中铁隧道集团有限公司广州市轨道交通十三号线首期工程施工四标项目经理部二零一三年十一月目录一、编制依据和原则...................................................................................................................................................1二、工程概况...............................................................................................................................................................12.1工程位置及范围.......................................................................................................................12.2主要工程内容...........................................................................................................................22.3工程设计概况...........................................................................................................................3三、监测目的及意义.................................................................................................................................................14四、监测内容.............................................................................................................................................................154.1车站监测项目.........................................................................................................................154.2隧道监测项目.........................................................................................................................164.3测点布置与埋设.....................................................................................................................17五、监测原理及方法.................................................................................................................................................245.1沉降监测.................................................................................................................................245.2深层水平位移监测.................................................................................................................255.3围护结构顶部水平位移监测.................................................................................................265.4支撑轴力监测.........................................................................................................................275.5地下水位监测.........................................................................................................................275.6裂缝监测.................................................................................................................................285.7隧道收敛监测.........................................................................................................................28六、控制地面沉降措施.......................................................296.1盾构前方的隆陷控制.............................................................................................................296.2盾构通过时的沉降控制.........................................................................................................296.2.1通过优化掘进参数来控制盾构正面土体的稳定..............................................................296.2.2同步与二次注浆........................................................
