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Title: Shear Strength of Reinforced Concrete Wall with 700 MPa Shear Reinforcement

Author(s): Sung-Hyun Kim and Hong-Gun Park

Publication: Structural Journal

Volume: 118

Issue: 2

Appears on pages(s): 167-181

Keywords: cyclic loading; Grade 700 MPa (101.5 ksi) bar; shear strength; shear wall

Date: 3/1/2021

Abstract:
In the present study, to investigate shear strength of concrete walls with 700 MPa (101.5 ksi) shear reinforcement, eight wall specimens were tested under cyclic lateral loading. The test parameters were failure modes, bar yield strength, aspect ratio, and axial load ratio. The test results showed that the shear strength of walls with 700 MPa (101.5 ksi) reinforcing bars was equivalent to or slightly less than those of walls with 400 MPa (58 ksi) reinforcing bars. In both walls, the tested shear strength was greater than the nominal strength of current design code. Further, regardless of the bar grade, the failure modes were similar, and shear reinforcement reached its yield strength. To investigate the effect of 700 MPa (101.5 ksi) reinforcing bars on the peak strength and deformation capacity of RC walls, parametric study was performed using an existing strain-based model.


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Electronic Structural Journal



  

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