Non-destructive strength characterization of concrete using surface waves

T. Gudra; B. Stawiski

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Non-destructive strength characterization of concrete using surface waves

机译：利用表面波表征混凝土的无损强度

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The paper presents a description of non-destructive strength characterization of concrete, using ultrasonic probes, and of measuring surface wave velocity. Probes work at frequencies of 40 and l00 kHz, and they are equipped with an exponential waveguide, the end of which has a surface of ca. l mm~2. A short characteristic of this type of probe is shown with an analysis of the influence of the inclination angle between the vertical and the examined surface as well as the influence of surface irregularities on ultrasonic wave propagation. The results of laboratory examination are described and examples of application of this measurement method in practice are given. It has been proved that this method has a number of advantages that are very useful in engineering practice.

机译：本文介绍了使用超声波探头对混凝土进行无损强度表征以及测量表面波速的描述。探头工作在40和100 kHz的频率上，并配备了指数波导，其末端的表面约为ca。 1毫米〜2通过分析垂直表面和检查表面之间的倾斜角度的影响以及表面不规则性对超声波传播的影响，可以显示此类探头的简短特性。描述了实验室检查的结果，并举例说明了该测量方法在实践中的应用。已经证明该方法具有许多优点，这些优点在工程实践中非常有用。

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来源
《NDT & E international》 |2000年第1期|p.1-6|共6页
作者
T. Gudra; B. Stawiski;
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作者单位

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类工业通用技术与设备;金属的分析试验（金属材料试验）;
关键词
Ultrasonics; Surface wave; Concrete examination;

机译：超声波;表面波具体检查;

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Non-destructive strength characterization of concrete using surface waves

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