Crack Damage of Cement Concrete Pavement

Journal of Chongqing Jiaotong University(Natural Science) ›› 2010, Vol. 29 ›› Issue (1): 54-57.

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Crack Damage of Cement Concrete Pavement

LV Hui-qing¹，ZHANG Xiang-wei²，ZHANG Rong-hui¹

1.School of Civil Engineering ＆ Transportation，Guangdong University of Technology，Guangdong Guangzhou 510090，China; 2.School of Electronic-Mechanical Engineering，Guangdong University of Technology，Guangdong Guangzhou 510090，China

Received:2009-08-04 Revised:2009-08-26 Online:2010-02-15 Published:2015-01-22

水泥混凝土路面断裂破坏研究

吕惠卿¹，张湘伟²，张荣辉¹

1.广东工业大学土木与交通工程学院，广东广州 510090;2.广东工业大学机电学院，广东广州 510090

作者简介:吕惠卿(1976—)，女，河北保定人，讲师，工学博士，主要从事道路工程等方面的研究工作。E-mail:lhuiqing@163.com。
基金资助:
国家自然科学基金资助项目(50775044);广东省公路管理局科技项目(200801)

Abstract

Abstract: The crack of the cement concrete pavement(CCP)is caused by the coupling of various damage effects from macroscopic， meso，and microcosmic levels. Initially，the cement concrete pavement slabs in the test road are numbered and the crack damages of pavement are investigated in detail. The size and location of every crack in each pavement slab are measured and drawn in a plane map of cracking. Through the statistical analysis of crack distribution in every pavement slab，the distribution rule of pavement cracks under stochastic vehicle and environmental load is obtained. The physical reasons causing the cracks are discussed. With the results of crack distribution study，the theory of designing newly-constructed CCP，as well as the theory of the preventive maintenance of damaged CCP is developed and improved.

Key words: road engineering, crack damage, statistical analysis, cement concrete pavement

摘要： 水泥混凝土路面板的断裂行为是由宏－细－微观诸层次下多种破坏机制相耦合而发生，将水泥混凝土试验路分块编号，对路面板的断裂破损状况进行了详细的调查，测量了裂缝的尺寸及其断裂位置，绘制了路面板的断裂平面图，统计分析了断裂位置与行车方向接缝的距离，通过分析找到了路面板在随机的车辆荷载和环境荷载作用下断裂位置的分布规律，研究了其断裂物理成因，为新建水泥混凝土路面的设计和破损水泥混凝土路面的预防性养护提供了理论基础。

关键词: 道路工程, 断裂破坏, 统计分析, 水泥混凝土路面

CLC Number:

U416.217

LV Hui-qing，ZHANG Xiang-wei，ZHANG Rong-hui. Crack Damage of Cement Concrete Pavement[J]. Journal of Chongqing Jiaotong University(Natural Science), 2010, 29(1): 54-57.

吕惠卿，张湘伟，张荣辉. 水泥混凝土路面断裂破坏研究[J]. 重庆交通大学学报（自然科学版）, 2010, 29(1): 54-57.

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Crack Damage of Cement Concrete Pavement

水泥混凝土路面断裂破坏研究

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