This paper presents a dynamic California Bearing Ratio (CBR_d) device that can be used on a prepared pavement foundation layer to obtain a certain parameter of the tested material in the laboratory and in situ in a direct and fast way. For the selected natural material (gravel), it is shown that the laboratory CBR_d can be used to estimate the compaction and bearing capacity, because it correlates well with the parameters of the standard and modified Proctor compaction tests. Comparative tests revealed that there is good correlation between the field CBR_d and the deformation modulus, and dynamic deformation modulus values obtained by field tests.

中文翻译：

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动态CBR与路面基础层压实度及承载力的相关性

本文提出了一种动态加州承载比（CBR _d）装置，可用于在准备好的路面基础层上，在实验室和现场直接快速地获取测试材料的某些参数。对于所选的天然材料（砾石），结果表明实验室 CBR _d可用于估计压实度和承载力，因为它与标准和修改的 Proctor 压实试验的参数有很好的相关性。对比试验表明，现场CBR _d与变形模量以及现场试验得到的动态变形模量值具有良好的相关性。