天悦园住宅小区A区项目土方开挖施工方案天津市房信建筑工程总承包有限公司二0一六年八月目录第一章概述......................................................................................................................11.1编制依据.............................................................................................................11.2工程简介.............................................................................................................21.3周边环境情况.....................................................................................................31.4施工现场总平面布置图.....................................................................................41.5工程地质及水文地质条件.................................................................................5第二章基坑开挖施工的重点、难点及应对措施.........................................................102.1主要施工方法...................................................................................................102.2基坑开挖重点、难点.......................................................................................112.3应对措施...........................................................................................................11第三章施工部署.............................................................................................................133.1工期目标...........................................................................................................133.2施工组织机构...................................................................................................133.3施工前准备工作...............................................................................................133.4拟投入机械及劳动力计划...............................................................................14第四章土方开挖.............................................................................................................154.1土方开挖前施工准备.......................................................................................154.2施工流程...........................................................................................................164.3开挖思路...........................................................................................................164.4电梯井、集水坑位置土方开挖.......................................................................184.5基坑边坡支护...................................................................................................184.6临边防护...........................................................................................................184.7地下室施工段划分...........................................................................................19第五章工程风险及应急预案.........................................................................................195.1突发事件风险分析及应急措施.......................................................................195.2应急预案...........................................................................................................21第六章质量保证措施.....................................................................................................266.1特殊情况及措施...............................................................................................266.2土石方施工注意...
