目录第一章编制依据与工程概况...........................................................................4一、编制依据及编制原则...........................................................................4（一）编制依据.......................................................................................4（二）编制原则.......................................................................................5（三）编制范围.......................................................................................6二、工程概况...............................................................................................8（一）工程简介.......................................................................................8（二）井室结构设计标准.......................................................................8（三）管道支护形式设计要求...............................................................9（四）主要工程数量.............................................................................11（五）地质情况.....................................................................................121、场地工程地质条件...........................................................................132、地水文地质条件...............................................................................143、土工程分析与评价...........................................................................144、结论与建议.......................................................................................15（六）重大危险源分析.........................................................................171、基坑开挖存在的危险因素及预防、应急措施...............................18第二章施工组织部署.....................................................................................20一、施工平面示意图.................................................................................21二、人员组织机构框图.............................................................................23三、机械、材料、劳动力计划情况.........................................................24第三章土方开挖与支护方案.........................................................................25一、土方开挖施工方案.............................................................................26二、沟槽支护方案.....................................................................................281、放坡开挖...........................................................................................302、槽钢支护...........................................................................................313、钢板桩施工工艺技术.......................................................................304、板式支撑...........................................................................................38三、开挖施工注意事项.............................................................................40第四章基坑开挖施工监控.............................................................................41一、基坑施工监控量测概述.....................................................................41二、量测断面布置.....................................................................................42三、量测频率和方法.................................................................................42四、安全监测信息化处理及监测流程........................................
