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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Parametric Analysis and Experimental Study on Concrete Columns Reinforced by Steel-BFRP Composite Bar
Author(s): Z. Y. Sun, G. Wu, Z. S. Wu, and J. B. Hao
Publication: Special Publication
Appears on pages(s): 1-20
Keywords: steel-BFRP composite bar (SBFCB); concrete column; post-yield stiffness; parametric analysis; experimental study
Abstract:A parametric analysis and experimental study of concrete columns reinforced by steel-BFRP (basalt fiber reinforced polymer) composite bar (SBFCB) were conducted. The relationship between post-yield stiffness of SBFCB and SBFCB reinforced concrete columns was investigated. The influences of reinforcement ratio, axial compression ratio, and post-yield stiffness ratio were explored. The results show that (1) under the same reinforcement ratio, the post-yield stiffness of SBFCB columns increases with the post-yield stiffness ratio of SBFCB; (2) the higher the BFRP content of SBFCB, the better deformation capacity of SBFCB column can be achieved due to the smaller curvature demand of column base; (3) a higher SBFCB post-yield stiffness ratio can delay or prevent the collapse of concrete column caused by P- effect; (4) the residual displacements of SBFCB columns are much smaller than those of ordinary RC columns, that is, the SBFCB column has a more better post-earthquake repairability.
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