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根据低应变反射波基本原理,在检测桩基完整性时,嵌入土中的桩基础,在桩顶激发的弹性波传播规律满足一维弹性波过程,在波阻抗界面(缺陷)上的反射特征为平面波的反射。根据低应变反射波法的检测理论,本文结合实例分析低应变反射波法在桩基检测中的应用。
According to the basic theory of low-strain reflected wave, the pile foundation embedded in the soil, the elastic wave excitation at the top of the pile satisfies the one-dimensional elastic wave process and the reflection characteristic at the wave impedance interface (defect) Reflections of a plane wave. According to the detection theory of low-strain reflection wave method, this paper analyzes the application of low-strain reflection wave method in the pile foundation inspection with examples.