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da xing hun ning tu lian xu xiang liang qiao ding sheng yu gai zao ji shu
Author(s): 
Pages: 113-115
Year: Issue:  4
Journal: Highway

Keyword:  桥梁顶升桥梁改造箱梁PLC系统研究;
Abstract: 结合厦门杏滨路变宽度预应力混凝土连续箱梁桥的顶升、旋转、改造工程,介绍了有关大型混凝土桥梁顶升工程的方法、设计、过程与控制要点。杏滨路顶升改造工程采用交替循环同步顶升技术,对于大型连续箱梁桥进行顶升、旋转,具有工期短、对原结构受力影响小等特点,且工程造价低。
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