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Shear Behavior Prediction of Reinforced Concrete Columns Using Transformation Angle Truss Model
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 Title & Authors
Shear Behavior Prediction of Reinforced Concrete Columns Using Transformation Angle Truss Model
Kim Sang-Woo; Chai Hyee-Dae; Lee Jung-Yoon; Lee Bum-Sik;
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This paper predicted the shear behavior of reinforced concrete columns using Transformation Angle Truss Model (TATM) considered the effects of bending moment and axial force. Nine columns with various shear span- to-depth ratios and axial force ratios were tested to verify the theoretical results obtained from TATM. Fine linear displacement transducers (LVDT) were attached to a side of the column near the shear critical region to measure the curvature, the longitudinal and transverse axial deformations, and the shear deformation of the column. The test was terminated when the value of the applied load dropped to about of the maximum-recorded load in the post-peak descending branch. All the columns were failed in shear before yielding of the flexural steel. The shear strength and the stiffness of the columns increased, as the axial force increased and the shear span-to-depth ratio decreased. Shear stress-shear strain and shear stress-strain of shear reinforcement curves obtained from TATM were agreed well with the test results in comparison to other truss models (MCFT, RA-STM, and FA-STM).
truss model;shear behavior;reinforced concrete columns;axial force;bending moment;
 Cited by
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