黑河特大桥跨西三环40+64+40m 连续梁预应力张拉施工方案 1 目 录 一、编制内容 .......................................................................................................................................................2 二、编制依据 .......................................................................................................................................................2 三、编制目的 .......................................................................................................................................................2 四、工程概况 .......................................................................................................................................................2 五、主要机械设备选用 .......................................................................................................................................3 六、主要进场材料 ...............................................................................................................................................3 七、施工工艺 .......................................................................................................................................................5 1、钢绞线下料施工工艺流程： .................................................................................................................5 2 、 预应力钢束施工 ...................................................................................................................................5 4、张拉条件 .................................................................................................................................................6 5、过程控制 .................................................................................................................................................9 6、问题预防与处理 ...............................................................................................................................
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