0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 ： 2024 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...
