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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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无缝桥加筋接线路面的拉伸变形性能
, PP. 34-40
Keywords: 桥梁工程,无缝桥,试验研究,加筋接线路面,预压缝,摩阻力,裂缝宽度
Abstract:
？为减小接线路面中裂缝的离散性,在无缝桥加筋接线路面中引入等距离的预压缝,并设计了室内节段模型温降模拟试验,同时根据混凝土粘结-滑移理论推导了无缝桥加筋接线路面在纵向荷载作用下裂缝宽度的计算公式,并对试验观测值与理论计算值进行了对比。结果表明:裂缝宽度的理论值与试验值能较好吻合,初步验证了加筋接线路面的裂缝能呈规律性地发展,而且接线路面有良好的吸收变形性能,为无缝桥中带预压缝的加筋接线路面的设计提供了依据。
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