工程勘察中稳态瑞利面波法解释理论的探讨

PROBE THE INTERPRETATION THEORY OF STEADY-STATE RAYLEIGH WAVE METHOD IN ENGINEERING EXPLORATION

工程勘探中稳态瑞利波法的实测曲线与介质性质有着密切的对应关系.传统的解释理论以自由表面瑞利面波的传播为基础.然而源检距很小时,漏能型面波(或多次复合反射波)的形成能更合理地解释记录曲线上的特征点.解释理论的正确性将有利于扩展该方法的实际应用.

Practical recorded curves of steady-state Raylcigh waves in engineering exploration closely correspond to properties of the media. The conventional interpretation theory has been based on propagation of free-surface Rayleigh waves. In the case of extremely small source-receiver distances, however, the generation of leaking-mode surface waves (or multiple composite reflections) may more reasonably account for characteristic points on recorded curves. Correctness of interpretation theory would be favorable for more extensive applications of this method.