基坑围护、土方开挖及降水专项施工方案目录第一章工程概况........................................................11.现场概况..........................................................12.工程概述..........................................................13.本标段施工范围、与相邻标段的关系..................................14.开挖基坑标高及深度................................................25.周边环境..........................................................26.本施工方案内容....................................................2第二章编制依据........................................................3第三章工程地质资料....................................................4第四章基坑围护及降水设计情况简介......................................51.围护桩设计........................................................52.开挖坡度和钢砼护坡设计............................................53.井点降水设计......................................................5第五章施工部署........................................................61.施工人员准备......................................................62.材料准备..........................................................63.技术准备..........................................................74.现场准备..........................................................75.总体施工顺序.....................................................86.施工进度安排.....................................................8第六章搅拌桩施工方案..................................................91.施工现场要求......................................................92.机械设备配备......................................................93.施工工艺流程.....................................................104.施工要点.........................................................105.搅拌桩垂直度控制................................................126.质量检验........................................................12第七章压密注浆施工方案...............................................141.加固要求........................................................14武汉贸腾基础工程有限公司1基坑围护、土方开挖及降水专项施工方案2.注浆加固方案及施工技术措施......................................143.机械配备........................................................154.质量保证措施....................................................15第八章轻型井点降水施工方案...........................................171.降水方案.........................................................172.降水设计方案.....................................................173.降水设备选用及配备...............................................174.黄砂配备.........................................................185.施工人员配备.....................................................186.轻型井点降水施工.................................................187.施工监测.........................................................208.可能出现的问题及解决办法.........................................21第九章土方开挖方案...................................................221.土方开挖施工准备.................................................222.土方开挖方案.....................................................233.土方开挖质量要求和质量保证措施..................................254.保证施工安全的技术措施..........................................265.文明施工管理保洁措施............................
