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桥梁的主梁在什么条件下采用预制,什么条件下采用现浇? - 工程施工 - 项目管理 - 氿上知道
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满意答案
对于跨河大桥,其河流为重要运输通道时,一般用悬浇法,以保证其通航能力不受影响。而对于引桥和立交,当地基良好,无需花费过大代价进行地基处理时,此时选用支架现浇法;当需要花费过高成本进行地基处理时,一般选用预制梁。
另外根据预算选择,当前施工设备选择合适的主梁制作方法,如苏通大桥南北引桥采用30、50、75米预应力混凝土连续梁桥, 就是采用预制梁进行拼装的。这需要有大型超大型的施工设备配合。
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回答于:2014-05-30
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