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水泥混凝土路面在我国已有多年的使用历史,近年来,我国现有的水泥混凝土路面有相当一部分已接近或超过设计年限,随着交通量的增加,尤其是汽车轴载日益重型化,在连续荷载作用下,出现路面损坏,使用品质下降等情况,水泥混凝土路面最严重的病害路面板的断板直至破碎。尝试通过对旧水泥砼路面板唧泥、脱空等砼路面主要病害的分析,并对脱空的确定、灌浆加固机理、实施等进行了较详细的介绍和分析。
Cement concrete pavement has been used for many years in our country. In recent years, a considerable part of the existing cement concrete pavement in our country has approached or surpassed the design life. With the increase of traffic volume, especially the heavier axle load of automobile, Under the action of load, there is the damage of the road surface, the quality of the use decline, etc., and the broken board of the most serious disease pavement of the cement concrete pavement is broken. This paper attempts to analyze the main diseases of concrete pavement such as mud and void of old cement concrete pavement, and also introduces and analyzes in detail the determination of void, the mechanism of grouting and reinforcement, and so on.