对岩石声衰减机制进行线粘弹模型分析,给出衰减系数α与粘滞系数η关系式;对含模拟夹层的岩石、混凝土进行声衰减和波速测量。并用参数下降率作为判断缺陷的一个依据。在本文条件下.Q_P下降率大于Γ_p下降率的2倍。采用衰减计算固化程序处理数据。 Linear viscoelastic model analysis was performed on rock sound attenuation mechanism, and the relationship between attenuation coefficient α and viscous coefficient η was given; acoustic attenuation and wave velocity were measured for rock and concrete containing simulated interlayer. And use the parameter decline rate as a basis for judging defects. Under the conditions of this paper, the rate of decline of Q_P is more than 2 times the rate of decline of Γ_p. Attenuation calculations are used to process the data.