{"title":"防止混凝土中氯化物侵入的新旧涂料","authors":"J. Beslać, K. Mavar","doi":"10.14359/10602","DOIUrl":null,"url":null,"abstract":"The results of laboratory and in situ tests of a number of different types of coatings commercially available in Croatia (polymer-cement, epoxy, acrylic, epoxy-acrylic and epoxy-polyurethane), used for reinforced concrete protection of the KRK bridge, are presented. The tests have been carried out throughout the last ten years. Some coatings like epoxy and polymer-cement were found completely unacceptable for technical reasons. However, epoxy-polyurethane coatings applied on the concrete finished with a thin layer of epoxy-cement mortar are estimated rather effective. They had high adhesion strength (above 2.0 MPa), very low gas permeability, low capillary absorption, satisfactory water vapor diffusion and satisfactory aging resistance.","PeriodicalId":184301,"journal":{"name":"\"SP-200: Fifth CANMET/ACI Conference on Recent Advances in Concrete Technology-Proceeding, Fifth International Conference\"","volume":"21 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2001-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Old and New Coatings Against Chloride Ingress in Concrete\",\"authors\":\"J. Beslać, K. Mavar\",\"doi\":\"10.14359/10602\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The results of laboratory and in situ tests of a number of different types of coatings commercially available in Croatia (polymer-cement, epoxy, acrylic, epoxy-acrylic and epoxy-polyurethane), used for reinforced concrete protection of the KRK bridge, are presented. The tests have been carried out throughout the last ten years. Some coatings like epoxy and polymer-cement were found completely unacceptable for technical reasons. However, epoxy-polyurethane coatings applied on the concrete finished with a thin layer of epoxy-cement mortar are estimated rather effective. They had high adhesion strength (above 2.0 MPa), very low gas permeability, low capillary absorption, satisfactory water vapor diffusion and satisfactory aging resistance.\",\"PeriodicalId\":184301,\"journal\":{\"name\":\"\\\"SP-200: Fifth CANMET/ACI Conference on Recent Advances in Concrete Technology-Proceeding, Fifth International Conference\\\"\",\"volume\":\"21 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2001-06-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"\\\"SP-200: Fifth CANMET/ACI Conference on Recent Advances in Concrete Technology-Proceeding, Fifth International Conference\\\"\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.14359/10602\",\"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-200: Fifth CANMET/ACI Conference on Recent Advances in Concrete Technology-Proceeding, Fifth International Conference\"","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.14359/10602","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Old and New Coatings Against Chloride Ingress in Concrete
The results of laboratory and in situ tests of a number of different types of coatings commercially available in Croatia (polymer-cement, epoxy, acrylic, epoxy-acrylic and epoxy-polyurethane), used for reinforced concrete protection of the KRK bridge, are presented. The tests have been carried out throughout the last ten years. Some coatings like epoxy and polymer-cement were found completely unacceptable for technical reasons. However, epoxy-polyurethane coatings applied on the concrete finished with a thin layer of epoxy-cement mortar are estimated rather effective. They had high adhesion strength (above 2.0 MPa), very low gas permeability, low capillary absorption, satisfactory water vapor diffusion and satisfactory aging resistance.
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