This paper for concrete bridge crack and the reason that produces are made than overall analysis summary, are controled with convenient design and construction.
本文对砼桥梁裂缝的种类和产生的原因作较全面的分析总结，以方便设计与施工控制。
Its profits are convenient construction and low cost that the wide span bridge is built by the low relaxation prestressed galvanized PC steel strand.
大跨度桥梁采用低松弛镀锌PC钢绞线具有施工简便、造价低等优点。
Continue rigid frame bridge is more and more widely used because of its high strength, lightful line type, convenient and fast construction, long-span ability.
该桥型以强度高、线形明快、施工简便快捷、跨越能力强的优势在大跨度桥梁中得到了越来越广泛的应用。
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