北方小城镇混凝土道路由于设计、施工及使用等原因,许多路面出现了裂缝。这些裂缝影响了混凝土道路的使用功能,缩短了使用寿命。路面裂缝情况大致分为两种:数量最多的裂缝出现在距缩缝1m范围内,其次为居于混凝土板块中间的横向裂缝与网状裂缝。经分析产生裂缝的原因主要有以下 Due to the design, construction and use of concrete roads in northern small towns, many roads have cracks. These cracks affect the use of concrete roads, shortening the service life. Pavement cracks can be divided into two types: the largest number of cracks appear within 1m from the shrinkage, followed by horizontal cracks in the middle of the concrete slab and mesh cracks. Analysis of the main reasons for the cracks are the following