中交二航哈尔滨市三环路西线跨松花江大桥工程第Ⅱ标段排架式钢管桩支架施工方案中交二航局哈尔滨市三环路西线跨松花江大桥工程二标段项目经理部二〇一〇年八月哈尔滨市三环路西线跨松花江大桥工程Ⅱ标段排架式钢管桩支架施工方案目录1、编制目的依据及原则.....................................................41.1编制目的............................................................41.2编制依据............................................................41.3编制原则............................................................42、工程概况...............................................................52.1工程概述............................................................52.2主要技术标准.........................................................52.3工程自然地理特征.....................................................72.3.1工程地质.........................................................72.3.2气象、河流.......................................................72.3.3桥址区的水文地质条件.............................................82.4钢管桩支架的使用部位.................................................82.4.1主塔下横梁.......................................................82.4.2拼装顶推平台.....................................................82.4.3过渡孔混凝土梁...................................................92.4.4江心岛引桥连续梁.................................................93、施工总体布署...........................................................93.1施工组织管理机构.....................................................93.1.1、组织机构........................................................93.1.2、管理体系........................................................93.2主要资源配备.......................................................103.2.1劳动力安排......................................................113.2.2主要施工机械设备配备............................................123.2.3主要施工材料计划................................................133.3施工进度安排.......................................................144、支架设计及施工........................................................154.1支架施工工艺流程....................................................154.2支架设计............................................................154.2.1主塔下横梁......................................................154.2.2拼装顶推平台....................................................184.2.3过渡孔混凝土梁..................................................224.2.4江心岛引桥连续梁................................................26中交第二航务工程局有限公司1哈尔滨市三环路西线跨松花江大桥工程Ⅱ标段排架式钢管桩支架施工方案4.3钢管支架施工.......................................................284.3.1基础施工........................................................284.3.2钢管桩施工......................................................304.3.3贝雷梁施工......................................................304.3.4工25分配梁施工.................................................314.3.5脚手管支架搭设..................................................314.4桩基的承载力实验...................................................324.5沉降观测...........................................................324.6支架拆除............................................................324.6.1支架拆除........................................................334...
