目录一工程概况................................................................................................................11.1工程基本概况..................................................................................................11.2周围环境条件..................................................................................................11.3场内工程地质条件..........................................................................................1二编制依据................................................................................................................2三基坑围护设计概况................................................................................................33.1基坑围护设计方案...........................................................................................33.2土钉墙施工要点...............................................................................................33.3基坑支护降排水...............................................................................................3四施工部署................................................................................................................44.1总体部署...........................................................................................................44.2项目班子组织与管理.......................................................................................44.3施工准备工作...................................................................................................74.4水平与垂直运输方案.......................................................................................74.5施工机械配置和劳动力组织...........................................................................84.6材料供应和管理...............................................................................................84.7基坑总体施工顺序...........................................................................................94.8施工进度计划...................................................................................................9五总平面布置及临电计算5.1施工总平面布置...............................................................................................95.2基坑施工用电计算.....................................................................................................10六主要施工方案和技术措施..................................................................................116.1复合土钉墙支护施工方案.............................................................................116.2土方开挖方案.................................................................................................136.3基坑排水方案.................................................................................................17七基坑工程监测......................................................................................................177.1基坑工程现场监测.........................................................................................187.2监测要求:.....................................................................................................187.3监测报警值:..............................................................................................................18八基坑支护应急措施..........................................................................................