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首页> 外文会议>SMiRT 16;International conference on structural mechanics in reactor technology >Detection of Steel Bars and Internal Defects Inside Concrete using Non-DestructiveTest Equipment
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Detection of Steel Bars and Internal Defects Inside Concrete using Non-DestructiveTest Equipment

机译：使用无损检测设备检测混凝土内部的钢筋和内部缺陷

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摘要

In this study, detection of steel bars embedded in concrete has been performed by using commercial non-destructive testrnequipment for the purpose of identifying performance of each equipment to detect steel bars embedded in concrete, andrncharacteristics and detective limitation of each equipment were derived therefrom. Two types of radar detection systems andrnone electromagnetic detection system using the electromagnetic detection method were used in conducting the nondestructiverntest. Steel bars having various diameters of 13, 16, 19, 25 and 55 mm were embedded in concrete specimens forrndetection of them with their respective covering thickness being different, while a PVC pipe ( 30 mm), a sheath ( 50 mm), arnwood piece (20 × 100 mm), a Styrofoam piece (20 × 100 mm) and a water container (150 ×300 mm) were embedded inrnconcrete specimens for detection of them as internal defects with their respective covering thickness being different.rnMeanwhile, spacing lengths in the horizontal arrangement of steel bars were measured with such spacing lengths beingrnmade to range from 50 to 350 mm for detection of such spacing lengths. As a result of detecting so, it has beenrndemonstrated that the radar detection method is effective in detecting locations of steel bars embedded in concrete andrnspacing lengths in the arrangement thereof, while the electromagnetic detection method is effective in detecting locations ofrnsteel bars embedded in concrete.
机译：在这项研究中，通过使用商用无损测试设备进行埋入混凝土中的钢筋的检测，以识别每种设备检测埋入混凝土中的钢筋的性能，并由此推导了各设备的特性和检测限制。进行了无损检测时，使用了两种雷达检测系统和采用电磁检测方法的无源电磁检测系统。将直径分别为13、16、19、25和55毫米的钢筋埋入混凝土样品中，以检测它们的覆盖厚度不同，同时使用PVC管（30毫米），护套（50毫米），阿姆伍德木片将20×100毫米的泡沫塑料片（20×100毫米）和水容器（150×300毫米）埋入混凝土样品中，以检测它们是否是内部缺陷，并且它们各自的覆盖厚度不同。为了检测这种间隔长度，测量了钢筋的水平布置，使这种间隔长度为50至350mm。作为这种检测的结果，已经证明了雷达检测方法对于检测埋入混凝土中的钢筋的位置及其布置中的间隔长度是有效的，而电磁检测方法对于检测埋入混凝土中的钢筋的位置是有效的。

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