Specimen Information
Name: Wong et al. 1990, No. 1
Type: Spiral
Comments: Axial load reduced after failure
Reference: Wong, Y.L.; Paulay, T.; and Priestley, M.J.N., Squat Circular Bridge Piers Under Multi-Directional Seismic Attack, Report 90-4, Department of Civil Engineering, University of Canterbury, Christchurch, New Zealand, October 1990, 264 pages.
Material Properties
Concrete Strength:38 (MPa)
Transverse Steel:Yield Stress: 300 (MPa)
Longitudinal Steel:Yield Stress: 423 (MPa) Strength: 577 (MPa)
Geometry
Diameter: 400 (mm) Cross-Section: Circular
Length: L-Inflection: 800 (mm) L-Measured: 800 (mm)
Test Configuration:Cantilever
Loading
Axial Load:907 (kN)
P-D:Shear provided
L-Bottom:0
Longitudinal Reinforcement
Diameter:16 (mm)
Number of Bars:20
Reinforcement Ratio:0.032
Transverse Reinforcement
Diameter Spiral:10 (mm)
Hoop Spacing, Sv:60 (mm)
Cover to Center of Hoop Bar:20 (mm)
Reinforcement Ratio:1.42
Non-Dimensional Properties
Span-to-Depth Ratio:2
Axial Load Ratio:0.19
Test Results
Failure Type:Flexure
Damage Observation:Concrete Crushing: 6 (mm)
Significant Concrete Spalling: 9.6 (mm)
Long Bar Buckling: 40 (mm)
Long Bar Fracture: 0 (mm)
Spiral Fracture: 40 (mm)
Loss of Axial Load Capacity: 40 (mm)
Resources:Force-Displacement Hysteresis (graph)
Force Displacement Data (data)
Record Information
Version:1 (April 8, 2003)
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