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将路面结构简化成Euler-Bemoulli梁,路堤填土和加筋体视作复合材料并简化成可考虑横向剪切作用的Timoshenko梁,软土地基采用可考虑应力扩散的三参数Kerr弹性地基模型模拟.采用能量法建立加筋路基能量平衡方程,根据总势能驻值原理得出加筋路基的沉降控制微分方程,并基于特征值法求解沉降微分控制方程,分别求得Kerr地基上路基沉降、路堤剪切应力和弯矩的解析解,分析了软土地基的厚度、模量和加筋体位置等参数对路堤沉降和受力的影响.研究结果表明,相对于Winkler和Pasternak模型,Kerr地基模型能更加准确地模拟低填方加筋路基的沉降.
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岩土力学
ISSN: 1000-7598
CN: 42-1199/O3
Year: 2019
Issue: 1
Volume: 40
Page: 250-259
1 . 5 0 0
JCR@2023
Cited Count:
SCOPUS Cited Count: 2
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 5
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