| 聚酯玻纤布防治荷载型反射裂缝的断裂力学分析 |
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| 引用本文： | 胡学亮,杨文军,朱洪洲,韦刚.聚酯玻纤布防治荷载型反射裂缝的断裂力学分析[J].长沙交通学院学报,2009,25(2):13-18. |
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| 作者姓名： | 胡学亮 杨文军 朱洪洲 韦刚 |
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| 作者单位： | 1. 重庆交通大学,土木工程学院,重庆,400074
2. 重庆高速公路发展有限公司,垫利分公司,重庆,400060 |
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| 基金项目： | 重庆市交通委员会科技项目 |
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| 摘 要： | 基于断裂力学的方法,采用ANASYS软件模拟沥青路面典型结构,分析了设置聚酯玻纤布夹层后,在正载和偏载作用下,裂缝尖端应力强度因子的变化,研究了沥青层模量、基层厚度及裂缝扩展深度等结构参量及层间接触条件和夹层模量对应力强度因子的影响规律.分析结果表明,设置聚酯玻纤布夹层,可以有效防治荷载型反射裂缝的扩展.
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| 关 键 词： | 有限元 应力强度因子 反射裂缝 聚酯玻纤布 |
Fracture mechanics analysis on reflective cracking resistance of treatment with fiberglass-polyester paving mat |
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| HU Xue-liang,YANG Wen-jun,ZHU Hong-zhou,WEI Gang.Fracture mechanics analysis on reflective cracking resistance of treatment with fiberglass-polyester paving mat[J].Journal of Changsha Communications University,2009,25(2):13-18. |
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| Authors: | HU Xue-liang YANG Wen-jun ZHU Hong-zhou WEI Gang |
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| Institution: | 1.School of Civil Engineering;Chongqing Jiaotong University;Chongqing 400074;China;2.Dianli Branch;Chongqing Expressway Development Co.;Ltd;Chongqing 400060;China |
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| Abstract: | Based on the fracture mechanics approach,the finite element method analyzed a varity of the stress intensity factor at the pavement crack tip when setting fiberglass-polyester paving mat,and the effect of the stress intensity factor in symmetric load and asymmetric load was studied when the asphalt layer modulus,thickness of semi-rigid base,the the depth of the crack,touch condition,interlay modular,etc.,changed.The results show that setting fiberglass-polyester paving mat was a treatment with reflective cr... |
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| Keywords: | finite element stress intensity factor reflective cracking fiberglass-polyester paving mat |
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