秧田湾大桥钻孔桩技术交底书

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1、技术交底书单位：四川路桥成昆铁路米攀段项目经理部编号:工程名称秧田湾大桥页数第1页共12页主送单位桥梁架子队交底内容冲击钻钻孔桩交底内容：秧田湾大桥钻孔桩一、适用范围二、技术参数三、施工工艺流程四、安全及环保工程名称秧田湾大桥页数第2页共12页主送单位桥梁架子队交底内容冲击钻钻孔桩单位：四川路桥成昆铁路米攀段项目经理部编号**7PUV•交底内容：冲击钻钻孔桩一、本交底适用于DK531+848.0秧田湾大桥桩基。二、技术参数：秧田湾大桥桩基参数见下表:秧田湾大桥桩基统计一览表桩号墩台号桩长(cm)桩径(m)桩数DK531+760.40#018401.258DK53

2、1+790.60#123501.256DK531+815.35#222001.258DK531+848.00#325001.256DK531+886.20#423001.258工程名称秧田湾大桥页数第3页共12页主送单位桥梁架子队交底内容冲击钻钻孔桩秧田湾大桥桩基桩孔坐标见下表：编号桩号边距XY0#0-1531761.35-1.82970776.567535487.6910-2531761.352.12970779.476535485.0930-3531761.3562970782.385535482.4950-4531764.300.152970776.057

3、535484.1920-5531764.304.052970778.965535481.5940-6531767.25-1.82970772.637535483.2910-7531767.252.12970775.546535480.6930-8531767.2562970778.454535478.09411-1531788.85-2.22970757.952535467.4501-2531788.852.12970761.156535464.5831-3531788.856.42970764.365535461.7211-4531792.35-2.22970

4、755.621535464.8401-5531792.352.12970758.825535461.9731-6531792.356.42970762.034535459.1152#2-1531813.50-32970740.931535449.5972-2531813.500.42970743.467535447.3322-3531813.503.82970746.003535445.0672-4531813.507.22970748.539535442.8022-5531817.20-32970738.467535446.8382-6531817.200.4

5、2970741.002535444.5732-7531817.203.82970743.538535442.3082-8531817.207.22970746.074535440.0433#3-1531846.25-2.22970719.713535424.6423-2531846.252.12970722.918535421.7753-3531846.256.42970726.127535418.9133-4531849.75-2.22970717.381535422.0313-5531849.752.12970720.586535419.1643-65318

6、49.756.42970723.795535416.30244-1531879.35-1.82970697.959535399.6874-2531879.352.12970700.867535397.0894-3531879.3562970703.776535394.4914-4531882.300.152970697.448535396.1884-5531882.304.052970700.357535393.5904-6531885.25-1.82970694.028535395.2874-7531885.252.12970696.937535392.689

7、4-8531885.2562970699.846535390.091工程名称秧田湾大桥页数第4页共12页主送单位桥梁架子队交底内容冲击钻钻孔桩三、施工工艺1、冲击钻钻孔桩施工工艺流程图，见下图工程名称秧田湾大桥页数第5页共12页主送单位桥梁架子队交底内容冲击钻钻孔桩交底内容：冲击钻钻孔桩2、场地平整及孔位测定：钻孔场地应清除杂物、换除软土、平整压实，场地位于陡坡、水中或淤泥中时，用枕木或型钢等搭设工作平台，平台必须坚固稳定，能承受施工作业时所有静、活荷载，同时还应考虑施工设备能安全进、出场。平整场地后，由测量人员根据设计桩位，准确定出钻孔中心位置，及时设置十字护

8、桩。护桩应妥善保护至终孔