Specimen Information
Name: Umehara and Jirsa 1982, CUW
Type: Rectangular
Comments:
Reference: Umehara, H.; and Jirsa, J.O., "Shear Strength and Deterioration of Short Reinforced Concrete Columns Under Cyclic Deformations," PMFSEL Report No. 82-3, Department of Civil Engineering, University of Texas at Austin, Austin Texas, July 1982, 256 pages.
Material Properties
Concrete Strength:34.9 (MPa)
Transverse Steel:Grade:
Yield Stress: 414 (MPa) Strength: 552 (MPa)
Longitudinal Steel:Grade:
Corner Yield Stress: 441 (MPa) Strength: 745 (MPa)
Intermediate Yield Stress: 441 (MPa) Strength: 745 (MPa)
Geometry
X-Section:Width: 410 (mm) Depth: 230 (mm)
Length: L-Inflection: 455 (mm) L-Measured: 455 (mm)
Test Configuration:Double Cantilever
Loading
Axial Load:534 (kN)
P-D:P Ram rotation increases V
L-Top:1,683
L-Bottom:0
Longitudinal Reinforcement
Diameter:19 (mm) corner bars | 19 (mm) intermediate bars
Number of Bars:10
Perpendicular to Load:Clear cover: 25 (mm) Number of intermediate bars: 3
Parallel to Load:Clear cover: 25 (mm) Number of intermediate bars: 0
Reinforcement Ratio:0.0301
Transverse Reinforcement
Type:RJ: Rectangular ties with J-hooks
Number of Shear Legs:2
Region of Close Spacing:Bar Diameter: 6 (mm) Hoop Sets: 0 Hoop Spacing: 89 (mm)
Region of Wide Spacing:Bar Diameter: 6 (mm) Hoop Sets: 0 Hoop Spacing: 0 (mm)
Reinforcement Ratio:0.003
Non-Dimensional Properties
Span-to-Depth Ratio:1.98
Axial Load Ratio:0.162
Test Results
Failure Type:Shear
Damage Observation:Concrete Crushing: 0 (mm)
Significant Concrete Spalling: 0 (mm)
Long Bar Buckling: 0 (mm)
Long Bar Fracture: 0 (mm)
Spiral Fracture: 0 (mm)
Loss of Axial Load Capacity: 0 (mm)
Resources:Force Displacement Data (data)
Record Information
Version:1 (April 8, 2003)
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