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Use of the Frechet distribution for UPV measurements in concrete

机译:Frechet分布在混凝土UPV测量中的用途

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摘要

Ultrasonic pulse velocity (UPV) measurements are routinely used to assess the health of concrete structures. In applications where many measurements are envisaged, the underlying probability distribution of multiple UPV measurements is of interest. We observe empirically in several cases, where multiple UPV measurements can be treated as identically distributed, that the Frechet distribution fits the reciprocal of the UPV quite well. We also present a physically motivated statistical model that, through Monte Carlo simulations, validates the Frechet distribution approximation. Our observation may have practical applications in both nondestructive testing (NDT) and statistical quality control.
机译:超声波脉冲速度(UPV)测量通常用于评估混凝土结构的健康状况。在设想许多测量的应用中,需要考虑多个UPV测量的潜在概率分布。在多种情况下,我们可以凭经验观察到,可以将多个UPV测量值视为相同分布,Frechet分布非常适合UPV的倒数。我们还提出了一种物理动机的统计模型,该模型通过蒙特卡洛模拟验证了Frechet分布近似值。我们的观察结果可能在无损检测(NDT)和统计质量控制中都有实际应用。

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