考虑层间接触时基层参数对水泥路面力学特性的影响
Journal of Chongqing Jiaotong University(Natural Sciences)(2014)
Abstract
建立了Winkler地基上考虑层间接触条件的三维结构模型,计算了基层模量、厚度、层间接触状况对水泥混凝土路面面层和基层受力、层间剪切应力及面层翘曲的影响.结果表明:层间接触状态对面层应力和翘曲影响较大,随层间黏结状况的减弱,面层应力不断下降,但翘曲愈加显著,层间脱空范围不断扩大;基层模量是影响基层受力的首要因素,基层底部最大应力随模量上升而增大,随层间黏结状况的减弱而降低;层间剪切应力主要发生在板边,随层间黏结状况的减弱而变小,且几乎不随基层模量和厚度变化.
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