Experimental evaluation of seismic performance of unbonded prestressed reinforced concrete column
Engineering Structures(2020)
摘要
•UBPRC column has larger post-yield stiffness and smaller ultimate displacement.•UBPRC column shows better self-centering behavior but weaker energy dissipation.•FPC column suffers severe prestress loss.•The self-centering performance index can be adopted in designing UBPRC column.
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关键词
Unbonded prestressing bar,Residual crack width,Residual displacement,Self-centering,Bridge column
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