波形钢腹板PC连续箱梁在景家湾大桥上的应用

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波形钢腹板PC结合连续梁桥与常规混凝土连续梁桥相比,具有自重小、抗震性能好、结构受力合理、预应力效率高且更换方便、施工造价低、工作量小、施工进度快、造型美观等诸多优势。本文以内蒙古准兴高速公路景家湾大桥为例,结合该桥施工实践,介绍波形钢腹板预应力混凝土连续箱梁设计、施工的关键技术及创新构造。 Compared with the conventional concrete continuous girder bridge, the corrugated steel web PC combined with continuous girder bridge has the advantages of small dead weight, good seismic performance, reasonable structure stress, high prestressing efficiency and convenient replacement, low construction cost, small workload and quick construction progress , Handsome in appearance and many other advantages. Taking Jingjing Bay Bridge of Zhuning Expressway in Inner Mongolia as an example, this paper introduces the design and construction of the prestressed concrete continuous box girder with corrugated steel webs based on the construction practice of the bridge.
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