Specimen Information
Name: Bayrak and Sheikh 1996, ES-1HT
Type: Rectangular
Comments:
Reference: Bayrak, Oguzhan; Sheikh, Shamim, "Confinement Steel Requirements for High Strength Concrete Columns," Paper No. 463, Eleventh World Conference on Earthquake Engineering, 1996.
Material Properties
Concrete Strength:72.1 (MPa)
Transverse Steel:Grade:
Yield Stress: 463 (MPa) Strength: 648 (MPa)
Longitudinal Steel:Grade:
Corner Yield Stress: 454 (MPa) Strength: 700 (MPa)
Intermediate Yield Stress: 454 (MPa) Strength: 700 (MPa)
Geometry
X-Section:Width: 305 (mm) Depth: 305 (mm)
Length: L-Inflection: 1,842 (mm) L-Measured: 1,473 (mm)
Test Configuration:Cantilever
Loading
Axial Load:3,354 (kN)
P-D:P Ram rotation decreases V
L-Top:0
L-Bottom:1,208
Longitudinal Reinforcement
Diameter:19.5 (mm) corner bars | 19.5 (mm) intermediate bars
Number of Bars:8
Perpendicular to Load:Clear cover: 11.5 (mm) Number of intermediate bars: 1
Parallel to Load:Clear cover: 11.5 (mm) Number of intermediate bars: 1
Reinforcement Ratio:0.0258
Transverse Reinforcement
Type:R: Rectangular ties (around perimeter)
Number of Shear Legs:2
Region of Close Spacing:Bar Diameter: 16 (mm) Hoop Sets: 15 Hoop Spacing: 95 (mm)
Region of Wide Spacing:Bar Diameter: 16 (mm) Hoop Sets: 0 Hoop Spacing: 0 (mm)
Reinforcement Ratio:0.032
Non-Dimensional Properties
Span-to-Depth Ratio:6.04
Axial Load Ratio:0.5
Test Results
Failure Type:Flexure
Damage Observation:Concrete Crushing: 7 (mm)
Significant Concrete Spalling: 0 (mm)
Long Bar Buckling: 37 (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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