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温度和干缩对钢桥面铺装层受力的影响

DOI: 10.3969/j.issn.1674-0696.2013.02.03, PP. 187-189

Keywords: 钢桥面铺装,温度,干缩,应力分析,steelbridgedeckpavement,temperature,shrinkage,stressanalysis

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Abstract:

:?根据钢桥面铺装的受力特点,推导了钢桥面铺装层的温度应力计算公式;结合实际铺装材料和实际使用环境,计算了常用铺装材料的温度及收缩应力,并与车辆荷载作用下铺装层的应力计算进行对比。研究表明:温度和干缩作用远大于车辆荷载对钢桥面铺装层的受力影响。

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