论文部分内容阅读
瑞利波速度反映了路基土强度、密度等特性。瑞利波是一种快速、无损的检测方法,测试装置由控制检测装置、发射激振器、接收传感器组成。文章结合一个工程实例探讨土石混填路基下80cm处各测点的瑞利波速度VR与所取试样的室内实验得出的干密度ρd的相关关系,并以此关系根据其他部位实测的瑞利波速度确定其干密度,为快速、全面地评价土石混填路基压实质量奠定了基础。
Rayleigh wave velocity reflects the subgrade soil strength, density and other characteristics. Rayleigh wave is a fast, nondestructive detection method, the test device consists of control and testing device, the launch exciter, the receiving sensor. In this paper, the relationship between the Rayleigh wave velocity (VR) at each measuring point at 80 cm under the soil-stone mixed embankment and the dry density ρd obtained from the laboratory test of the sample taken is discussed in combination with an engineering example. Based on this relationship, The determination of its dry density by the speed of the wave has laid the foundation for the rapid and comprehensive evaluation of the quality of the soil-rock mixed roadbed compaction.