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高速公路低路堤软土地基沉降有限元分析

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摘要 文章基于典型的低路堤路基路面体系设计,利用大型有限元ABAQUS,计算分析并对比了考虑软土流变特性和交通荷载的作用,不考虑交通荷载的作用,不考虑软土流变特性,不考虑流变和荷载的作用以及考虑静荷载的作用这5个不同方面的软土路基的沉降变形特性。结果表明,交通荷载和软土流变特性对道路沉降的影响不可忽视,它们引起的沉降分别约占总沉降20%和30%,交通荷载在低路堤下软土地基中有效影响深度约为6.5m;静荷载能引起道路沉降,约占总沉降的10%,但不如交通荷载引起的沉降大,大约是交通荷载引起的道路沉降的1/3~1/4。
作者 章行远
出处 《公路交通科技(应用技术版)》 CAS CSCD 2007年第8期84-88,共5页
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参考文献11

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