{"title":"无粘结预应力混凝土结构的抗弯失稳","authors":"G.I.N. Rozvany , D.W.S. Ho","doi":"10.1016/0007-3628(74)90019-X","DOIUrl":null,"url":null,"abstract":"<div><p>At flexural cracking, the load capacity of unbonded concrete structures decreases suddenly if the prestressing force is smaller than a certain critical value. Critical prestress values are derived from theoretical considerations for T, I and box sections and experimental verification of the results is given.</p></div>","PeriodicalId":9442,"journal":{"name":"Building Science","volume":"9 3","pages":"Pages 211-217"},"PeriodicalIF":0.0000,"publicationDate":"1974-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0007-3628(74)90019-X","citationCount":"0","resultStr":"{\"title\":\"Flexural instability of unbonded prestressed concrete structures\",\"authors\":\"G.I.N. Rozvany , D.W.S. Ho\",\"doi\":\"10.1016/0007-3628(74)90019-X\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>At flexural cracking, the load capacity of unbonded concrete structures decreases suddenly if the prestressing force is smaller than a certain critical value. Critical prestress values are derived from theoretical considerations for T, I and box sections and experimental verification of the results is given.</p></div>\",\"PeriodicalId\":9442,\"journal\":{\"name\":\"Building Science\",\"volume\":\"9 3\",\"pages\":\"Pages 211-217\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1974-09-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/0007-3628(74)90019-X\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Building Science\",\"FirstCategoryId\":\"1087\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/000736287490019X\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Building Science","FirstCategoryId":"1087","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/000736287490019X","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Flexural instability of unbonded prestressed concrete structures
At flexural cracking, the load capacity of unbonded concrete structures decreases suddenly if the prestressing force is smaller than a certain critical value. Critical prestress values are derived from theoretical considerations for T, I and box sections and experimental verification of the results is given.
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