襄阳市长征东路跨清河桥工程钻孔桩水中施工方案编制：复核：审批：中铁上海工程局襄阳市小清河大桥项目部2012年8月18日目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc332900970"一、编制依据PAGEREF_Toc332900970\h4HYPERLINK\l"_Toc332900971"二、工程概述PAGEREF_Toc332900971\h4HYPERLINK\l"_Toc332900972"三、结构设计原则PAGEREF_Toc332900972\h5HYPERLINK\l"_Toc332900973"四、施工准备PAGEREF_Toc332900973\h5HYPERLINK\l"_Toc332900974"4.1、设备物资PAGEREF_Toc332900974\h5HYPERLINK\l"_Toc332900975"4.2、施工现场准备PAGEREF_Toc332900975\h6HYPERLINK\l"_Toc332900976"五、施工工艺流程图PAGEREF_Toc332900976\h7HYPERLINK\l"_Toc332900977"6.1、水上平台施工工艺流程图PAGEREF_Toc332900977\h7HYPERLINK\l"_Toc332900978"6.2、拉森钢板桩施工工艺流程图PAGEREF_Toc332900978\h7HYPERLINK\l"_Toc332900979"六、施工方法及步骤PAGEREF_Toc332900979\h8HYPERLINK\l"_Toc332900980"6.1、水上平台施工方法及步骤PAGEREF_Toc332900980\h8HYPERLINK\l"_Toc332900981"6.1.1、钢管桩的制作及吊装堆放PAGEREF_Toc332900981\h8HYPERLINK\l"_Toc332900982"6.1.2、插打钢管桩PAGEREF_Toc332900982\h8HYPERLINK\l"_Toc332900983"6.1.3、桩顶处理PAGEREF_Toc332900983\h9HYPERLINK\l"_Toc332900984"6.1.4、焊接平撑及斜撑PAGEREF_Toc332900984\h9HYPERLINK\l"_Toc332900985"6.1.5、安装横梁PAGEREF_Toc332900985\h9HYPERLINK\l"_Toc332900986"6.1.6、安装纵梁（贝雷梁）PAGEREF_Toc332900986\h9HYPERLINK\l"_Toc332900987"6.1.7、铺装面板PAGEREF_Toc332900987\h10HYPERLINK\l"_Toc332900988"6.1.8、护栏安装PAGEREF_Toc332900988\h10HYPERLINK\l"_Toc332900989"6.2、拉森钢板桩施工方法及步骤PAGEREF_Toc332900989\h10HYPERLINK\l"_Toc332900990"6.2.1、施工准备PAGEREF_Toc332900990\h10HYPERLINK\l"_Toc332900991"6.2.2、测量定位PAGEREF_Toc332900991\h10HYPERLINK\l"_Toc332900992"6.2.3、插打钢板桩PAGEREF_Toc332900992\h10HYPERLINK\l"_Toc332900993"6.2.4、基坑开挖PAGEREF_Toc332900993\h13HYPERLINK\l"_Toc332900994"6.2.5、基坑排水PAGEREF_Toc332900994\h13HYPERLINK\l"_Toc332900995"6.2.6、封底混凝土施工PAGEREF_Toc332900995\h13HYPERLINK\l"_Toc332900996"6.2.7、钢板桩拔出PAGEREF_Toc332900996\h13HYPERLINK\l"_Toc332900997"七、平台设计及计算PAGEREF_Toc332