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水泥砼路面是我国公路路面主要形式之一,在我国公路网构成中占有较大比重。它具有强度高、刚度大、受温度影响小、使用寿命长等优点。水泥砼路面在使用过程中会产生诸多病害,水泥砼路面接缝较多,对超载较为敏感,易发生脱空、唧泥、裂缝等先期病害,从而导致路面的破损。如何治理与预防脱空、唧泥等病害,搞好水泥砼路面的养护,延长公路的使用寿命,改善其通行能力,具有十分重要的意义。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 is one of the main forms of highway pavement in our country, accounting for a large proportion of the composition of our country’s road network. It has the advantages of high strength, high rigidity, small temperature influence and long service life. Cement concrete pavement in the course of the disease will have many diseases, cement concrete pavement more sensitive to overload, prone to vacating, slime, cracks and other pre-disease, resulting in road damage. How to control and prevent such problems as emptying, pumice and muddy diseases, improving the maintenance of cement concrete pavement, prolonging the service life of the highway and improving its traffic capacity are of great significance. Through the analysis of the main diseases of concrete pavement such as mud and void of the old cement concrete pavement, the paper also introduces and analyzes in detail the determination of void, the mechanism and implementation of grouting reinforcement.