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Curling plus cold-formed C-shaped connecting rod channel compression Experimental Study and Finite Element Analysis

Author: YangXiaoTong
Tutor: YaoZuo
School: Zhejiang University
Course: Structural Engineering
Keywords: Cold-formed C-shaped channel Link FEM Axial compression and bias Distortional buckling Study
CLC: TU392.1
Type: Master's thesis
Year: 2006
Downloads: 114
Quote: 17
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Abstract


In recent years, cold-formed steel in the construction sector has been more and more applications, as the control cold-formed steel carrying capacity of several buckling modes, distortional buckling gradually taken seriously. In this paper, distortional buckling at home and abroad on the basis of research results , for distortional buckling deformation characteristics ( flange and curling ridge relative rotation relative to the web ) , verified by experiments in cold-formed C-shaped channel volumes set at the edge to improve their capacity link the validity of this approach . By symmetry plane axial compression and under the pressure of different eccentric 12 specimens pilot study can be found: for crimping additional specimen rod with rod specimen is not set compared to its distortional buckling load and ultimate bearing capacity has improved to some extent , were increased by up to 10 % -20%. By comparison , when the rod arranged half wavelength spacing quarter , as the most cost-effective way of connecting rod arrangement . Given a two-way test factors such as the eccentric and the initial defect , we further ABAQUS finite element analysis software simulation test components , obtained baseline finite element model of the above factors on the distortional buckling loads and ultimate bearing capacity .

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CLC: > Industrial Technology > Building Science > Building structure > Metal structures > Various types of steel > Steel structure
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