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兰州BRT沥青路面结构温度场和车辙分析

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摘要 基于ABAQUS有限元软件,建立了BRT沥青路面温度场模型和车辙计算模型,分析了不同热物理参数对温度场的影响以及速度对车辙形成的影响规律。研究表明,沥青路面各结构层温度变化和外界温度变化趋势基本相同,表面层受外界环境影响变化幅度最大,其他结构层随着深度的增加温度变化逐渐趋缓;增大热容量和降低路面材料对太阳辐射的吸收率有利于降低路面结构温度,减少BRT沥青路面车辙的形成;路表凹陷变形和隆起变形随行车速度的增大而减小,且减小幅度逐渐降低。
作者 林家琛
出处 《科技与创新》 2020年第6期120-122,127,共4页 Science and Technology & Innovation
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