{"title":"复合材料对严重开裂无粘结后张结构体系的改造与修复","authors":"P. Chakrabarti","doi":"10.14359/14382","DOIUrl":null,"url":null,"abstract":"The purpose of this project was to use fiber reinforced polymers (FRPs) and high strength adhesives for the repair and retrofit of unbonded prestressed beams. The goal was to study the interaction of the two materials and the basis structural behavior of the repaired or retrofitted beams. The results from the experiment, such as: crack propagations, deflections, load increments, steel strains, and prestressing loads were recorded using auto-data recording system. The general behavior and the strength of each one of the control beams and the corresponding repaired or retrofitted beam was studied","PeriodicalId":341120,"journal":{"name":"SP-225: Serviceability of Concrete: A Symposium Honoring Dr. Edward G. Nawy","volume":"33 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Retrofitting and Repairing of Heavily Cracked Unbonded Post-Tensioned Structural Systems with Composite Materials\",\"authors\":\"P. Chakrabarti\",\"doi\":\"10.14359/14382\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The purpose of this project was to use fiber reinforced polymers (FRPs) and high strength adhesives for the repair and retrofit of unbonded prestressed beams. The goal was to study the interaction of the two materials and the basis structural behavior of the repaired or retrofitted beams. The results from the experiment, such as: crack propagations, deflections, load increments, steel strains, and prestressing loads were recorded using auto-data recording system. The general behavior and the strength of each one of the control beams and the corresponding repaired or retrofitted beam was studied\",\"PeriodicalId\":341120,\"journal\":{\"name\":\"SP-225: Serviceability of Concrete: A Symposium Honoring Dr. Edward G. Nawy\",\"volume\":\"33 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1900-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"SP-225: Serviceability of Concrete: A Symposium Honoring Dr. Edward G. Nawy\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.14359/14382\",\"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-225: Serviceability of Concrete: A Symposium Honoring Dr. Edward G. Nawy","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.14359/14382","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Retrofitting and Repairing of Heavily Cracked Unbonded Post-Tensioned Structural Systems with Composite Materials
The purpose of this project was to use fiber reinforced polymers (FRPs) and high strength adhesives for the repair and retrofit of unbonded prestressed beams. The goal was to study the interaction of the two materials and the basis structural behavior of the repaired or retrofitted beams. The results from the experiment, such as: crack propagations, deflections, load increments, steel strains, and prestressing loads were recorded using auto-data recording system. The general behavior and the strength of each one of the control beams and the corresponding repaired or retrofitted beam was studied
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