Finite Element Analysis of Axially Loaded RPC Filled Circular Steel Tube Columns
2013 ◽
Vol 815
◽
pp. 256-261
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Keyword(s):
Further research on constitutive model of RPC (Reactive Powder Concrete) restrained by steel tube under axial compression is analyzed based on the research on concrete-filled steel tube and RPC-filled steel tube at home and abroad. Finite element analysis on RPC-filled steel tube stub columns under axial compression is conducted with ABAQUS to analyze the confinement index, core concrete strength and contact property on ultimate bearing capacity of RPC restrained by steel tube. As the confinement index and the core concrete strength increasing, the bearing capacity of RPC restrained by steel tube increases. The model with frictionless contact form has greater bearing capacity, but the ductility decreases.
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2021 ◽
Vol 2101
(1)
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pp. 012059
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Vol 578-579
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