Buckling of braced monosymmetric cantilevers |
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| Authors: | C.M. Wang S. Kitipornchai V. Thevendran |
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| Affiliation: | 1. Department of Civil Engineering, National University of Singapore, Kent Ridge, Singapore;2. Department of Civil Engineering, University of Queensland, St. Lucia, Queensland, Australia;1. College of Civil Engineering and Architecture, Guangxi University, Nanning 530004, China;2. Department of Structural and Geotechnical Engineering, Sapienza University of Rome, Rome 00197, Italy;1. College of Civil Engineering and Architecture, Guangxi University, Nanning 530004, China;2. Department of Structural and Geotechnical Engineering, Sapienza University of Rome, Rome 00197, Italy;1. Department of Aerospace Engineering, IIT Madras, Chennai, 600036, India;2. Department of Aerospace Engineering, PEC University of Technology, Sector 12, Chandigarh, 160012, India;1. Université Européenne de Bretagne, University of South Brittany UBS, UBS – LIMATB, Centre de Recherche, Rue de Saint Maudé, BP92116, 56321 Lorient Cedex, France;2. DECivil, ICIST, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal;3. Engineering Science Programme, Department of Civil and Environmental Engineering, National University of Singapore, Kent Ridge, Singapore 119260;4. Department of Materials, Imperial College London, London SW7 2AZ, United Kingdom |
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| Abstract: | The paper examines the elastic lateral buckling of monosymmetric cantilevers with a discrete intermediate brace. On the basis of the Timoshenko energy approach, the buckling capacities are determined by direct minimization of the ‘generalized Rayleigh quotient’. Solutions are expressed in terms of the easily calculated beam parameter, , and the degree of beam monosymmetry parameter, , which indicate readily the form of the monosymmetric section. The influences of lateral brace at different levels, of rotational brace and of full brace on the buckling capacities for varying brace locations, height of load application above the shear centre and the degrees of beam monosymmetry are investigated. |
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