Analysis of lateral stability of I-section aluminum beams

查看全文 作　　者：CHENG Ming SHI Yongjiu WANG [1]Yuanqing

机构地区：[1]Department of Civil Engineering, Key Laboratory of Structural Engineering and Vibration of the Ministry of Education, Tsinghua University, Beijing 10084, China Department of Civil Engineering, Key Laboratory of Structural Engineering and Vibration of the Ministry of Education, Tsinghua University, Beijing 10084, China Department of Civil Engineering, Key Laboratory of Structural Engineering and Vibration of the Ministry of Education, Tsinghua University, Beijing 10084, China

出　　处：《Science China(Technological Sciences)》索引2006年第49卷第6期,共10页

摘　　要：This paper focuses on the lateral buckling of laterally-unrestrained aluminum beams subjected to a concentrated, uniformly loading and pure-bending action. The design methods of lateral stability of aluminum beams in the current codes are discussed. The influence of material property on the lateral buckling of aluminum beams is investigated with finite element analysis (FEA) methods. Some numerical examples are given, and the results from current codes are compared with the FEA solutions. The design method on lateral stability of steel beams specified in the Chinese standard GB 50017-2003 is modified to calibrate the stability factors of aluminum beams according to the European code, British code, and American code, and the modified method is verified by FEA results. Through comparison with the available test results, the modified design method for overall stability of aluminum bending members is proposed in this paper and proved applicable in the design of lateral stability of aluminum beams. 关键词：aluminum BENDING members, LATERAL buckling, stability factor, finite element ANALYSIS (FEA), design method.

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Analysis of lateral stability of I-section aluminum beams

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