二号路（深圳大道-上海大道）道路工程基坑施工安全专项施工方案建设单位：荆州经济技术开发区政府投资工程建设管理中心设计单位：荆州市城市规划设计研究院监理单位：湖北德馨建设工程咨询有限公司施工单位：中国一冶集团有限公司编号：编制时间：目录第一章编制依据.................................................................................................41.1国家现行有关规范和标准.........................................................................41.2工程设计文件.............................................................................................4第二章工程概况...................................................................................................42.1工程主要情况.............................................................................................42.2主要施工条件.............................................................................................42.2.1气候条件............................................................................................42.2.2地质水文条件....................................................................................52.2.3施工周边环境情况............................................................................6第三章施工部署...................................................................................................6第四章施工准备...................................................................................................74.1施工准备.....................................................................................................74.1.1技术资料准备....................................................................................74.1.2施工准备阶段....................................................................................74.1.3施工阶段............................................................................................84.2劳动配置计划.............................................................................................84.3物资配置计划.............................................................................................9第五章主要施工方法.........................................................................................105.1土方开挖及支护、降水施工流程...........................................................105.2支护方式...................................................................................................105.2.1槽钢支护方式..................................................................................105.2.2拉森钢板桩支护方式......................................................................115.2.3支护桩施工准备..............................................................................125.2.4支护桩施工方法..............................................................................135.2.5支护桩施工注意事项......................................................................145.3排水管道沟槽降水...................................................................................155.4土方开挖...................................................................................................165.5地下管线设施保护（一般）措施...........................................................175.6沟槽施工沉降监测...................................................................................215.6.1沟槽顶面地表及地下管线的水平位移、沉降观测............
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