BUCKLING BEHAVIOUR OF CONTINUOUS BEAMS AND FRAMES SUBJECTED TO PATCH LOADING

摘要：

This work illustrates the application and potential of a recently developed GBT (Generalised Beam Theory) finite element formulation to perform buckling analyses of thin-walled continuous beams and frames acted by transverse loads applied at various member cross-section points. After briefly addressing this GBT formulation, numerical results concerning the localised, local and global buckling behaviour of ( 1 ) two-span I-beams and ( ii ) L-frames with Isection members, all subjected to transverse point loads acting at the top or bottom flanges (i. e. , patch loading) are presented and discussed. For validation, the GBT-based results are compared with values yielded by ANSYS shell finite element analyses.

关键词： Thin-walled steel beams thin-walled steel frames generalised beam theory (GBT) buckling analysis effect of the load point of application localised buckling patch loading

作者: C.Basaglia D.Camotim

作者单位: Department of Civil Engineering and Architecture, ICIST, Instituto Superior Tecnico,Technical University of Lisbon, Av. Rovisco Pais, 1049-001 Lisboa, Portugal

会议类型: 国际会议

会议名称: The IJSSD Symposium 2012 on Progress in Structural Stability and Dynamics(2012国际结构稳定与动力学进展会议)

会议地点: 南京

会议语种:英文

页码: 78-86

在线出版日期: 2012-04-14（万方平台首次上网日期，不代表论文的发表时间）