大型顺层滑坡滑带波动力学参数特征研究

Study on the Aconstic Wave Properties oi the Sliding Zone of A Large-scale Beddedg Rock Landslide

本文采用声波测试手段,对一大型顺层渭坡渭带的力学性质进行了研究(并与相邻的顺层挤压带进行了对比).表明(1)从两侧围岩到渭带波动力学参数 Vp,Vs,Ed,G 均明显降低.(2)渭带物质由于其受力及运移方式的不同.呈现出波动参数上的明显各向异性.(3)顺层挤压带与渭带波动力学参数相同,但各自对其围岩的影响却明显不同.

In this paper the acoustic wave mechanical properties of the slidingzone of a largescale bedded rock landslide have been studied on the basisof measuring its acoustic wave and compared with the bedding faults,theresults show as follows:1.the acoustic wave coefficients Vp,Vs,Ed,and G decrease significantly from the lateral rock masses to the slidingzone.2.Because the media in the Sliding zone were different in force andmovement,the coefficients of the zone show significant anisotropic prope-rties.3.Although the sliding zone and the bedding faults have the samevalue of the acoustic coefficients,their effects on the lateral rock massesare quite different.