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Discussion about cracks in continuous box girder
Author(s): CAI Bin, MA Xiuquan, CHEN Xiulin
Pages: 1107-
1111
Year: 2004
Issue:
9
Journal: JOURNAL OF HEFEI UNIVERSITY OF TECHNOLOGY(NATURAL SCIENCE)
Keyword: 连续箱梁; 裂缝; 预防措施;
Abstract: 连续箱梁梁桥桥面具有行车舒适、节约材料、造型简洁美观、受力均匀、养护工程量小及抗震能力强等优点.在高速公路和城市道路高架桥建设中得到较为广泛应用.但结构受力分析较为复杂,施工工艺较难,设计及施工质量较难控制,裂缝问题出现较多.裂缝的出现会使钢筋锈蚀,结构的承载力急骤下降,必须给予充分重视.该文通过对桥梁常见裂缝产生原因的分析,针对连续箱梁设计、施工中需重视的几个问题以及裂缝的预防措施,提出自己的观点,供工程技术人员参考.
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