{"title":"红外热成像技术在混凝土结构裂缝评价中的应用","authors":"S. Nagataki, T. Kamada, A. Matsumoto","doi":"10.14359/6059","DOIUrl":null,"url":null,"abstract":"In this paper, a method to evaluation the crack size of concrete structures by infrared thermography was investigated. This method is based on the relation between the crack depth or width and thermal distribution in concrete. First, the influence of crack depth and width on thermal distribution was examined. Next, the influence of the distance between cracks and heater on thermal distribution was investigated. The effectiveness of this method was confirmed by the results of the experiment on flexural cracks in reinforced concrete beams. From these results, it was demonstrated that the thermal distribution measured at the surface of concrete by infrared thermography was effective in evaluating the crack size in concrete structures.","PeriodicalId":255305,"journal":{"name":"SP-179: Fourth CANMET/ACI/JCI Conference: Advances in Concrete Technology","volume":"2 4 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1998-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Application of Infrared Thermography Technique for Evaluation of Cracks in the Concrete Structures\",\"authors\":\"S. Nagataki, T. Kamada, A. Matsumoto\",\"doi\":\"10.14359/6059\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper, a method to evaluation the crack size of concrete structures by infrared thermography was investigated. This method is based on the relation between the crack depth or width and thermal distribution in concrete. First, the influence of crack depth and width on thermal distribution was examined. Next, the influence of the distance between cracks and heater on thermal distribution was investigated. The effectiveness of this method was confirmed by the results of the experiment on flexural cracks in reinforced concrete beams. From these results, it was demonstrated that the thermal distribution measured at the surface of concrete by infrared thermography was effective in evaluating the crack size in concrete structures.\",\"PeriodicalId\":255305,\"journal\":{\"name\":\"SP-179: Fourth CANMET/ACI/JCI Conference: Advances in Concrete Technology\",\"volume\":\"2 4 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1998-06-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"SP-179: Fourth CANMET/ACI/JCI Conference: Advances in Concrete Technology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.14359/6059\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"SP-179: Fourth CANMET/ACI/JCI Conference: Advances in Concrete Technology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.14359/6059","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Application of Infrared Thermography Technique for Evaluation of Cracks in the Concrete Structures
In this paper, a method to evaluation the crack size of concrete structures by infrared thermography was investigated. This method is based on the relation between the crack depth or width and thermal distribution in concrete. First, the influence of crack depth and width on thermal distribution was examined. Next, the influence of the distance between cracks and heater on thermal distribution was investigated. The effectiveness of this method was confirmed by the results of the experiment on flexural cracks in reinforced concrete beams. From these results, it was demonstrated that the thermal distribution measured at the surface of concrete by infrared thermography was effective in evaluating the crack size in concrete structures.
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