Mahesh D. Pandey, Mohammad Z. Kabir, Archibald N. Sherbourne
{"title":"Flexural-torsional stability of thin-walled composite I-section beams","authors":"Mahesh D. Pandey, Mohammad Z. Kabir, Archibald N. Sherbourne","doi":"10.1016/0961-9526(94)00101-E","DOIUrl":null,"url":null,"abstract":"<div><p>An analytical study of optimal fibre direction for improving the lateral buckling strength of thin-walled composite open-section members is presented. Based on a Vlasov-type linear hypothesis, beam stiffness coefficients, which account for cross-section geometry and for the material anisotropy of the section as well as the geometrical characteristics of columns, are obtained. Uniformly distributed load, transverse concentrated load, unequal end moments, tip-loaded cantilever and columns with different types of loading, are considered. The results show that, in some cases, the web fibre angle makes a remarkable contribution to increasing the buckling load compared with the unidirectional orientation of the pultrusion process.</p></div>","PeriodicalId":100298,"journal":{"name":"Composites Engineering","volume":"5 3","pages":"Pages 321-342"},"PeriodicalIF":0.0000,"publicationDate":"1995-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0961-9526(94)00101-E","citationCount":"62","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Composites Engineering","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/096195269400101E","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 62
Abstract
An analytical study of optimal fibre direction for improving the lateral buckling strength of thin-walled composite open-section members is presented. Based on a Vlasov-type linear hypothesis, beam stiffness coefficients, which account for cross-section geometry and for the material anisotropy of the section as well as the geometrical characteristics of columns, are obtained. Uniformly distributed load, transverse concentrated load, unequal end moments, tip-loaded cantilever and columns with different types of loading, are considered. The results show that, in some cases, the web fibre angle makes a remarkable contribution to increasing the buckling load compared with the unidirectional orientation of the pultrusion process.
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