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根据PIT的工作原理,对桩身应力波的传播、波速和桩长的估算、桩身砼强度的推定、最大有效测试深度以及实测结果的判读与分析等方面进行了有关论述和探索。
According to the working principle of PIT, the paper discusses and explores the propagation of stress wave, the estimation of wave velocity and pile length, the estimation of the concrete strength of the pile, the maximum effective test depth and the interpretation and analysis of measured results.