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悬索桥主缆检测及承载力评估现状与发展

DOI: 10.3969/j.issn.1674-0696.2013.sup.1.08, PP. 760-763

Keywords: 悬索桥主缆,承载力评估,可靠度方法,钢丝腐蚀,断丝,二次应力,maincableofsuspensionbridge,bearingcapacityevaluation,reliabilitymethod,steelcorrosion,brokenwires,secondarystress

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Abstract:

:?通过分析悬索桥主缆检测的特点以及主缆各阶段承载力评估的主要因素,详细讨论钢丝腐蚀、断丝以及主缆次应力等对主缆承载力的影响,回顾了现有的承载力评估模型研究现状,提出了基于可靠度方法,综合考虑影响主缆承载力各因素的主缆全寿命期间内承载力评估方法的研究思路。

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