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Nondestructive Measurement for Water and Voids in Concrete with Compact Neutron Source

机译:紧凑中子源对混凝土中水和空隙的无损测量

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The authors have developed a nondestructive inspection method using backscattered neutrons to detect voids and water in concrete with a RIKEN Accelerator-driven Compact Neutron Source (RANS). In this study, neutrons are emitted to a slab sample that consists of a concrete layer and an asphalt layer, and position distribution of backscattered neutrons are measured at the timing from 0.1 to 0.5 ms. The two-dimensional position of water and voids in the concrete plate under asphalt (5 cm) of the slab sample are detected.
机译:作者开发了一种无损检测方法,该方法使用反向散射中子通过RIKEN加速器驱动的紧凑中子源(RANS)检测混凝土中的空隙和水。在这项研究中,将中子发射到由混凝土层和沥青层组成的平板样品中,并在0.1到0.5 ms的时间测量背散射中子的位置分布。检测平板样品的沥青(5厘米)下混凝土板上水和空隙的二维位置。

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