Experimental study on centrifugal concrete-filled steel tubes under bending and torsion |
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| Authors: | Jin Wei-liang Qu Chen Yu Yi |
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| Institution: | (1) Department of Civil Engineering, Zhejiang University, 310027 Hangzhou, China;(2) Department of Civil Engineering, Zhejiang University of Science and Technology, 310012 Hangzhou, China |
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| Abstract: | A real-size experiment on 11 tubes was done to study the performance of centrifugal concrete-filled steel tubes under bending
and torsion. This paper first introduces the relevant operating method, equipment, subjects and processes. The factors that
affect deformation and stiffness and the break mechanism under different loading were studied. Experimental stress analysis
showed that the values of practical critical stress of steel tubes accorded well with the MISES Yielding Rule. The correlative
equation (on the bearing capacity of a structural member under bending and torsion) deduced in this study may provide valuable
reference for the design of this structural member.
Project supported by the Zhejiang Province Electric Power Designing Institute and the Electric Power Ministry of China |
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| Keywords: | Centrifugal concrete-filled steel tube Bending and torsion Stiffness Distortion Bearing capacity |
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