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沥青混凝土动态模量试验及Witczak预估模型验证 被引量:4

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摘要 对几种常用沥青混凝土进行了动态模量试验研究,并对Witczak动态模量预估模型进行了验证。试验研究表明:沥青混凝土的动态模量随温度增加而减小,且呈明显指数关系;沥青混凝土动态模量随加载频率提高而增大,当环境温度较低时动态模量与频率呈明显对数相关性,当温度较高时动态模量与频率无明显对数相关性;Witczak预估模型在温度低于45℃时对沥青混合料动态模量的预估是可行的,但在较高温度条件下,由于动态模量偏低,其预估值偏差较大,精度还需要进一步提高。
出处 《公路》 北大核心 2012年第7期39-45,共7页 Highway
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同被引文献22

  • 1胡旭东,张起森,范勇军.HMA动态模量Witczak和Hirsch预测模型[J].中外公路,2006,26(6):204-207. 被引量:10
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  • 8马士杰,付建村,韦金城,高雪池.大粒径透水性沥青混合料动态模量预估模型研究[J].公路交通科技,2010,27(5):36-40. 被引量:14
  • 9栗培龙,张争奇,王秉纲.沥青混合料黏弹性响应影响因素分析[J].郑州大学学报(工学版),2010,31(3):96-100. 被引量:11
  • 10栗培龙,张争奇,王秉纲.沥青混合料高温蠕变变形行为及机理[J].建筑材料学报,2012,15(3):422-426. 被引量:21

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