刚性路面接缝间隔的力学模型

Mechanical Model of Joint Spacing for Rigid Pavement

提出了一种简单的分析方法来确定无销钉和有销钉接缝的临界接缝间隔 ,用所推出的力学模型计算出的接缝间隔与 Michigan的研究结果相一致 .研究表明 ,混凝土路面板与基础的摩擦对于确定无销钉接缝的间隔没有什么影响 ,但对于确定有销钉接缝间隔有一定的重要性 .销钉的结合力对于确定有销钉接缝间隔作用不大 .

A simple analytical procedure is developed for determining the critical joint spacing for both undoweled and doweled joints.The calculated joint spacings using the proposed mechanistic model seem to confirm with the results summarized in Michigan's study.From the study, it seems that friction between concrete slab and base course is insignificant for determining undoweled joint spacing, but somewhat important for determining doweled joint spacing.The bond strength of the dowel plays a minor role in determining the critical doweled joint spacing.