Application of a Frequency-Based Detection Method for Evaluating Damaged Concrete Sleepers

K. Matsuoka, Tsutomu Watanabe
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引用次数: 4

Abstract

Frequency-based damage detection (FDD) has been studied for a long time. Generally, it is pointed out that FDD is less sensitive to detect the damage in civil structures, which are composed of many members precisely. However, for the structural members on the premise of replacement like concrete sleepers, the FDD approach that has been accumulated so far may be effective. In addition, its ease and simplicity of the system are an advantage of realizing regularly and inexpensive inspection on the sites. Here we introduce the damage influence on the concrete sleepers based on the laboratory tests and demonstration of the practical use of FDD through some filed tests.
基于频率的混凝土枕木损伤检测方法的应用
基于频率的损伤检测(FDD)已经研究了很长时间。一般认为,对于由多个构件精确组成的土木结构,FDD检测的灵敏度较低。但对于混凝土枕木等以更换为前提的结构构件,目前积累的FDD方法可能是有效的。此外,该系统的易用性和简单性是实现对场址进行定期和廉价检查的一个优点。本文通过室内试验和现场试验,介绍了FDD对混凝土轨枕的损伤影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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