咸宁碧桂园丹桂香堤二期9#~10#楼土方开挖及基坑支护专项施工方案编制人：_______________审核人：_______________审批人：_______________广东腾越建筑工程有限公司2017年10月2日目录目录...................................................................................................................2一、工程概况及周围环境条件.............................................................................51.1工程概况.............................................................51.2工程位置及概述.......................................................51.3工程地质条件.........................................................5二、编制依据.........................................................................................................6三、基坑支护设计概况.........................................................................................73.1基坑支护设计方案.....................................................73.2基坑排水方案.........................................................7四、基坑工程的重点、难点.................................................................................74.1土方开挖基坑支护平面场地较大、开挖深度较深...........................74.2放坡坡度及标高控制...................................................74.3喷锚网施工...........................................................74.4天气因素.............................................................8五、施工部署.........................................................................................................85.1管理目标.............................................................85.2基坑总体施工顺序.....................................................85.3项目管理班子和操作班组组成...........................................85.4施工准备工作........................................................135.5机械设备和劳动力组织................................................145.6材料供应和管理......................................................15六、主要分项工程施工方法...............................................................................156.1土方开挖施工方法及土方开挖顺序及施工安排............................156.2喷射混凝土坡面施工方案..............................................216.3土钉墙施工方案......................................................226.4排水沟、集水井施工方案..............................................246.5土方回填方案........................................................25七、支护结构的监测仪器及其应用...................................................................287.1支护结构的监测.......................................................287.2周围环境监测........................................................297.3周围管线监测........................................................307.4监测措施............................................................317.5施工单位监测措施....................................................317.6其它事项.............................................................32八、基坑应急预案.............................................................................................338.1目的................................................................338.2应急预案领导小组...................................................338.3应急救援程序.......................................................338.4应急救援小组职责及任务..............................
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