| 旧混凝土路面板破裂尺寸寸沥青加铺层应力的影响 |
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| 引用本文： | 王崇涛.旧混凝土路面板破裂尺寸寸沥青加铺层应力的影响[J].西部交通科技,2010(7):7-11. |
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| 作者姓名： | 王崇涛 |
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| 作者单位： | 西安石油大学,陕西,西安,710065 |
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| 基金项目： | 交通运输部应用基础研究项目 |
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| 摘 要： | 文章采用三维有限元法计算分析了水泥混凝土路面板破裂尺寸与沥青加铺层的荷载应力、温度应力、耦合应力及基层顶面压应力之间的关系。结果表明：路面板破裂尺寸对沥青加铺层的温度应力及耦合应力的影响远大于其对荷载应力的影响，路面板的破裂尺寸在80～100cm范围内较为合理。
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| 关 键 词： | 旧水泥混凝土路面 破裂尺寸 沥青加铺层 荷载应力 温度应力 耦合应力 |
The Influence of Sizes of Old Concrete Pavement Crack on Stress of Additional Asphalt Layer |
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| WANG Chong-tao.The Influence of Sizes of Old Concrete Pavement Crack on Stress of Additional Asphalt Layer[J].Western China Communication Science & Technology,2010(7):7-11. |
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| Authors: | WANG Chong-tao |
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| Institution: | WANG Chong-tao (Xi ＇an University of Oil, Xi ＇an, Shanxi, 710065) |
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| Abstract: | By using three-dimension finite element method, the article calculates the relationship between the size of pavement crack and loading stress,temperature stress and coupling stress of the asphalt layer.The results show that crack size has major influence on temperature stress of asphalttayers comparing to other stress forces.It also concludes that the most rationale crack size should be between 80-100 cm. |
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| Keywords: | Old concrete pavement Crack size Asphalt layer Loading stress Temperature stress Coupling stress |
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