航务工程局有限公司铁路墩身首件工程施工方案目录一、工程概况......................................................................................................................-1-二、墩身施工方案..............................................................................................................-1-2.1、编制依据................................................................................................................-1-2.2、编制范围................................................................................................................-2-2.3、编制目的................................................................................................................-2-三、施工准备......................................................................................................................-2-四、施工进度计划..............................................................................................................-4-五、施工流程......................................................................................................................-4-六、施工方法......................................................................................................................-5-6.1墩身测量定位...........................................................................................................-5-6.2墩身钢筋加工与安装...............................................................................................-5-6.3施工工艺................................................................................................................-7-6.4墩身摸板.................................................................................................................-10-6.5混凝土施工.............................................................................................................-13-6.6施工注意事项.........................................................................................................-17-七、质量保证措施、检验方法及检验标准....................................................................-18-7.1质量保证措施.........................................................................................................-18-7.2检验方法及检验标准.............................................................................................-21-八、安全、环保、文明施工措施....................................................................................-24-8.1安全施工措施.........................................................................................................-24-8.2环保、文明施工措施.............................................................................................-25-九、附件：32+32m直曲线墩柱模板检算书....................................................................-25-墩身首件工程施工方案一、工程概况新建铁路江门至茂名段阳西至马踏段，全线共有钻孔桩共有1946根，共41284.5延米，承台184个，墩身216个，桥梁共19座，特大桥5座计3531.99m，大桥10座计3140.18m，中桥1座计77.51m，设计里程为DK318+800～DK341+000，全长22.2km。本次首件选在大平特大桥，里程桩号DK326+143.545,桥全长766.09m，抗震设防烈度属7度区，设计地震动峰值加速度0.1g，动反应谱特征周期为0.35s，属于Ⅱ类建设场地。选取11#墩为首墩，该墩为双线圆端型桥墩，墩高9米，墩身截面尺寸7.8m×1.8m，砼标号为C35，方量127.9方，墩身模板采用工厂定制整体钢模板，一次浇筑完成。二、墩身...
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