乌鲁木齐轨道交通一号线工程大西沟站附属结构施工监测方案 编 制: 审 核: 审 批: 中铁七局集团有限公司乌鲁木齐市轨道交通 1 号线工程 09 标段项目经理部二零一六年四月目 录一、编制依据......................................................................................1二、概述.............................................................................................12.1 工程概况...............................................................................12.2 工程地质条件........................................................................32.3 水文地质条件........................................................................52.4 不良地质作用与特殊岩土情况...............................................5三、主要技术指标...............................................................................63.1 监测项目精度要求.................................................................63.2 监测频率及周期.....................................................................73.3 监测警戒标准........................................................................8四、监测项目及工作内容、监测范围...................................................94.1 监测项目及工作内容..............................................................94.2 出入口基坑(隧道)监测范围..............................................104.2.1 周边环境监测范围.....................................................104.2.2 出入口基坑(隧道)开挖监测范围............................104.3 监测布点原则......................................................................104.4 监测点埋设与监测方法........................................................124.4.1 地下管线沉降............................................................124.4.2 地表沉降...................................................................154.4.3 桩顶水平和竖向位移.................................................164.4.4 桩体水平变形............................................................184.4.5 支撑轴力.....