Comparison of Stress and Strain States in Pavements with and without Reflective Cracks

Krystyna Kazimierowicz-Frankowska

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Comparison of Stress and Strain States in Pavements with and without Reflective Cracks

机译：有反射裂缝和无反射裂缝的路面应力和应变状态的比较

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Comparison of stresses and strains in pavements with and without reflective cracking is presented. The series of finite-element numerical simulations were carried out for several types of flexible pavements and overlays placed on these pavements. The influence of such parameters as: the load position, the overlay thickness, and subgrade properties on stress and strain concentrations was investigated. Numerical results confirmed the fact that stresses in cracking pavements strongly differ from corresponding values in the uncracked ones. The greatest stress concentration was observed in the zone above the crack. In the case of asymmetrical position of loading with regard to the crack a high level of shear stresses appeared near the crack. The stresses and displacements in the pavement did not differ much for overall effective modulus in the range between 1,000 and 4,500 MPa. Below this range displacements increased strongly.

机译：对比了有反射裂缝和无反射裂缝的路面的应力和应变。对几种类型的柔性路面和放置在这些路面上的覆盖层进行了一系列有限元数值模拟。研究了诸如负载位置，覆盖层厚度和路基特性等参数对应力和应变集中的影响。数值结果证实了以下事实：开裂路面中的应力与未开裂路面中的相应值存在很大差异。在裂纹上方的区域中观察到最大的应力集中。在载荷相对于裂纹的位置不对称的情况下，在裂纹附近会出现高水平的剪应力。对于总有效模量在1,000 MPa至4,500 MPa之间的路面而言，路面中的应力和位移差异不大。低于此范围，位移急剧增加。

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《Journal of Transportation Engineering》 |2008年第11期|483-492|共10页
作者
Krystyna Kazimierowicz-Frankowska;
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正文语种 eng
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pavements; cracking; simulation; stress strain relations;

机译：人行道;破裂模拟;应力应变关系;

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1. Strain response of hot-mix asphalt overlays in jointed plain concrete pavements due to reflective cracking [J] . Z.G. Ghauch, G.G. Abou-Jaoude Computers & Structures . 2013,第auga期

机译：反射裂缝引起的普通沥青混凝土路面热拌沥青覆盖层的应变响应
2. Accelerated pavement testing and modeling of reflective cracking in pavements [J] . S.A. Perez, J.M. Balay, P. Tamagny Engineering failure analysis . 2007,第8期

机译：加速路面测试和路面反射裂缝的建模
3. Development of a Universal Cracking Amount Model for Fatigue and Reflective Cracking of Asphalt Pavements [J] . Hu Sheng, Basheer Imad, Leidy Joe, Journal of Performance of Constructed Facilities . 2017,第6期

机译：沥青路面疲劳和反射裂缝的普遍开裂量模型的发展
4. FATIGUE TEST OF COMPOSITE PAVEMENT ON STRESS ABSORBING LAYERS FOR REFLECTIVE CRACKING [C] . LI Zuzhong, CHEN Shuanfa, CHENG Yi, International conference on transportation engineering;ICTE 2011 . 2012

机译：反射开裂应力吸收层上复合路面的疲劳试验
5. Laboratory and Field Investigation of Reflective Crack Mitigation in Layered Asphalt Concrete Pavements. [D] . Wargo, Andrew David. 2015

机译：减轻沥青混凝土路面反射裂缝的实验室和现场调查。
6. On the states of stress and strain adjacent to a crack in a strain-limiting viscoelastic body [O] . Hiromichi Itou, Victor A Kovtunenko, Kumbakonam R Rajagopal -1

机译：极限应变粘弹性体中裂纹附近的应力和应变状态
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8. Reflective Crack Mitigation Guide for Flexible Pavements, Tech Transfer Summaries. [R] . Williams, R. C., Buss, A., Chen, C. 2015

机译：柔性路面反射裂缝减缓指南，技术转让摘要。

Comparison of Stress and Strain States in Pavements with and without Reflective Cracks

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