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货车对不平整路面的动荷载分析

DOI: 10.3969/j.issn.1674-0696.2014.05.15, PP. 70-72

Keywords: 道路工程,动荷载,平整度,动态模拟,有限元,roadengineering,dynamicload,flatness,dynamicsimulation,finiteelement

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Abstract:

:?针对货车动荷载与路面结构力学响应之间的关系问题,在沧州干线公路上利用SM2000C动态称重仪对满载和超载情况下的试验车在不同车速和路面平整度工况下的实际动荷载情况进行了试验数据采集分析。同时采用半波正弦动荷载加载,应用ABAQUS有限元软件建立了相应的三维路面结构模型进行动态模拟,并与试验所测动荷载值进行了比配分析。结果表明:该模型能够很好地模拟货车通过一定路面结构时的动荷载变化情况,可以应用于工程实际。

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