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瑞利波探测是一种原位测试的工程地震探测技术,其频散曲线的变化与地质条件变化存在联系,通过频散曲线的特征识别,可得到探测方向上一定范围内的地质构造情况;瑞利波在介质中的传播速度与介质的工程物理特性有关,据此可对探测范围内岩土的物理力学性质做出评价,从而为隧道掌子面前方围岩状况提供一定的超前预报及施工指导作用。
Rayleigh wave detection is a kind of engineering seismic exploration technique in situ testing. The change of dispersion curve is related to the change of geological conditions. By the characteristic identification of dispersion curve, the geological structure within a certain range in the exploration direction can be obtained. Rayleigh wave propagation velocity in the medium is related to the engineering physical properties of the medium. Based on which, the physical and mechanical properties of rock and soil in the detection range can be evaluated, so as to provide some advance prediction for the rock mass in front of the tunnel face Construction guidance.