Specimen Information
Name: Chai, Priestley, and Seible 1991, Test 3
Type: Spiral
Comments: Retrofitted columns were tested also. Unknown concrete cover
Reference: Chai, Yuk; Priestley, M.; and Seible, Frieder; "Seismic Retrofit of Circular Bridge Columns for Enhanced Flexural Performance," ACI Structural Journal, V88., No.5, September-October 1991, pp. 572-584.
Material Properties
Concrete Strength:32.6 (MPa)
Transverse Steel:Yield Stress: 351.6 (MPa)
Longitudinal Steel:Yield Stress: 315.1 (MPa) Strength: 497.8 (MPa)
Geometry
Diameter: 609.6 (mm) Cross-Section: Circular
Length: L-Inflection: 3,657 (mm) L-Measured: 3,657 (mm)
Test Configuration:Cantilever
Loading
Axial Load:1,779 (kN)
P-D:P Ram rotation decreases V
L-Bottom:480
Longitudinal Reinforcement
Diameter:19 (mm)
Number of Bars:26
Reinforcement Ratio:0.0254
Transverse Reinforcement
Diameter Spiral:6.4 (mm)
Hoop Spacing, Sv:127 (mm)
Cover to Center of Hoop Bar:20 (mm)
Reinforcement Ratio:0.17
Non-Dimensional Properties
Span-to-Depth Ratio:6
Axial Load Ratio:0.187
Test Results
Failure Type:Flexure
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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