| 水泥砼路面板底脱空对沥青加铺层反射裂缝的影响分析 |
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| 引用本文： | 苗露,张传义.水泥砼路面板底脱空对沥青加铺层反射裂缝的影响分析[J].森林工程,2007,23(3):53-54,72. |
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| 作者姓名： | 苗露 张传义 |
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| 作者单位： | 1. 黑龙江省牡丹江市工程质量监督站,黑龙江,牡丹江,157009
2. 东北林业大学,哈尔滨,150040 |
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| 摘 要： | 采用三维有限元分析方法，计算分析了具有接缝的旧水泥混凝上路面上沥青加铺层在行车简载作用下应力随板底脱空的变化情况，从理论上深入研究了不同板底脱空对沥青加铺层反射裂缝的影响，阐述了板底脱空对沥青加铺层荷载应力的影响。
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| 关 键 词： | 有限元 沥青加铺层 反射裂缝 板底脱空 |
| 文章编号： | 1001-005X（2007）03-0053-02 |
Effects of the Cement Pavement Cavity beneath Slab on Asphaltum Overlayer Reflective Crack |
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| Miao Lu,Zhang Chuanyi.Effects of the Cement Pavement Cavity beneath Slab on Asphaltum Overlayer Reflective Crack[J].Forest Engineering,2007,23(3):53-54,72. |
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| Authors: | Miao Lu Zhang Chuanyi |
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| Institution: | 1. Mudanjiang Engineering Quality Supervising Station, Mudanjiang 157009, Heilongjiang Province; 2. Northeast Forestry University, Harbin 150040 |
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| Abstract: | Adopting the three-dimensional finite element analysis method, this paper calculated and analyzed the old cement concrete pavement which was jointed asphaltum overlayer under the wheel load the stress with the change of the base course modulns. We took a deep study on the effects of different kinds of cavity beneath slab on the asphaltum overlayer reflectional crack and also elaborated on the effects of the cavity of slab on the asphaltum overlayer load stress. |
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| Keywords: | finite dement asphaltum overlayer reflective crack cavity beneath slab |
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