排水管道沟槽拉森钢板桩支护方案(五工区)荆州大道改造工程（K4+180-K4+682）钢板桩支护施工方案编制人：审核人：审批人：荆州大道改造工程五工区编制日期：2018年3月15日目录第一章编制依据···························································3。

第一章编制原则···················································3。

第三章工程概况···················································4。

一、工程简介···················································4。

二、工程量概况·················································4。

三、平面布置图·················································5。

第四章拉森钢板桩支护施工·········································6。

一、施工准备···················································6。

二、插打钢板桩、安装内支撑·····················7—11。

三、基坑开挖、钢板桩内支撑·····································11。

四、支护内排水·················································11。

五、变形观测···················································12。

六、管道施工（不作详细论述）·······································12。

七、拔桩··············································12。

八、钢板桩支护合拢措施保证·································13。

十、质量保证措施··························13-15十一、安全文明保证措施·······················15—16。