剪切波速在路基压实度检测中的应用

Application of Shear Wave Velocity in Roadbed Compactness Testing

基于对不同类型路基土样的剪切波速检测和干密度试验数据的回归分析,确定路基剪切波速与土体干密度的相关模型,探讨路基压实度检测的便捷方法。在实际工程中为验证该模型的适用性,将剪切波速法与传统灌沙试验法进行对比,计算结果与试验结果基本相符,进一步证明由剪切波速推算路基土体干密度的方法是可行的。

Based on the roadbed shear wave velocity testing and the regression analysis of soil dry density experimental data,the relevant models of roadbed shear wave velocity and soil dry density are ascertained so as to establish the best way to test the roadbed compactness conveniently.In order to verify the applicability of the model in the project,the shear wave velocity method is compared with the traditional sand replacement test.The calculated result is basically consistent with the experimental result.Therefore,it is doable to estimate the roadbed soil dry density by the shear wave velocity method.