| 路面沥青加铺层层底荷载应力三维有限元分析 |
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| 引用本文： | 郝金东,张万辉,杨素超. 路面沥青加铺层层底荷载应力三维有限元分析[J]. 河南纺织高等专科学校学报, 2010, 0(1): 19-21 |
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| 作者姓名： | 郝金东 张万辉 杨素超 |
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| 作者单位： | 重庆交通大学土木建筑学院,重庆400074 |
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| 摘 要： | 反射裂缝是旧水泥混凝土路面沥青加铺层早期破坏的主要形式之一．加铺层层底裂缝处的荷载应力集中是引起反射裂缝的主要原因．通过建立水泥混凝土路面沥青加铺层有限元模型的方法，计算车轮荷载位于最不利位置时，沥青加铺层的厚度及轴载重量对加铺层层底荷载应力的影响，为防止或减缓加铺层的反射裂缝提供参考．
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| 关 键 词： | 反射裂缝 沥青加铺层 有限元分析 |
Three-dimensional Finite Element Analysis of Load Stress at the Bottom of Old Cement Concrete Pavement Asphalt |
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| HAO Jindong,ZHANG Wanhui,YANG Suchao. Three-dimensional Finite Element Analysis of Load Stress at the Bottom of Old Cement Concrete Pavement Asphalt[J]. Journal of Henan Textile College, 2010, 0(1): 19-21 |
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| Authors: | HAO Jindong ZHANG Wanhui YANG Suchao |
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| Affiliation: | ( School of Civil Engineering and Architecture, Chongqing Jiaotong University, Chongqing 400074, China) |
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| Abstract: | Reflective cracking is one of the main forms of early damage in the old cement concrete pavement asphalt overlays. The load stress concentration in the corresponding place of the bottom of asphalt overlay is the main reason for reflective crack. In this paper, the establishment of finite element model for Cement Concrete Pavement Asphalt overlays method is used to calculate the influence when the wheel load is located in the most unfavorable position, and calculate the impact of load stress of asphalt layer thickness and axial load capacity of the asphalt layer. The calculation provides a reference for the prevention or slowing down of the reflective cracking. |
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| Keywords: | reflective cracks asphalt overlay finite element analysis |
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