Specimen Information
Name: Kunnath et al. 1997, A11
Type: Spiral
Comments:
Reference: Kunnath, Sashi, K.; El-Bahy, Ashraf; Taylor, Andrew; and Stone, William, Cumulative Seismic Damage of Reinforced Concrete Bridge Piers, Technical Report NCEER-97-0006, National Center for Earthquake Engineering Research, September 1997, 147 pages
Material Properties
Concrete Strength:27 (MPa)
Transverse Steel:Yield Stress: 434 (MPa)
Longitudinal Steel:Yield Stress: 448 (MPa) Strength: 690 (MPa)
Geometry
Diameter: 305 (mm) Cross-Section: Circular
Length: L-Inflection: 1,372 (mm) L-Measured: 1,372 (mm)
Test Configuration:Cantilever
Loading
Axial Load:200 (kN)
P-D:Shear provided
L-Bottom:0
Longitudinal Reinforcement
Diameter:9.5 (mm)
Number of Bars:21
Reinforcement Ratio:0.0204
Transverse Reinforcement
Diameter Spiral:4 (mm)
Hoop Spacing, Sv:19 (mm)
Cover to Center of Hoop Bar:14.5 (mm)
Reinforcement Ratio:0.94
Non-Dimensional Properties
Span-to-Depth Ratio:4.5
Axial Load Ratio:0.101
Test Results
Failure Type:Flexure
Damage Observation:Concrete Crushing: 50 (mm)
Significant Concrete Spalling: 105 (mm)
Long Bar Buckling: 0 (mm)
Long Bar Fracture: 105 (mm)
Spiral Fracture: 105 (mm)
Loss of Axial Load Capacity: 0 (mm)
Resources:Force-Displacement Hysteresis (graph)
Force Displacement Data (data)
Record Information
Version:1 (April 8, 2003)
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