Specimen Information
Name: Zahn et al. 1986, No. 8
Type: Rectangular
Comments:
Reference: Zahn, F.A.; Park, R; and Priestley, M.J.N., "Design of Reinforced Bridge Columns for Strength and Ductility," Report 86-7, Department of Civil Engineering, University of Canterbury, Christchurch, New Zealand, March 1986, 330 pages.
Material Properties
Concrete Strength:40.1 (MPa)
Transverse Steel:Grade: 380
Yield Stress: 466 (MPa) Strength: 688 (MPa)
Longitudinal Steel:Grade: 380
Corner Yield Stress: 440 (MPa) Strength: 674 (MPa)
Intermediate Yield Stress: 440 (MPa) Strength: 674 (MPa)
Geometry
X-Section:Width: 400 (mm) Depth: 400 (mm)
Length: L-Inflection: 1,600 (mm) L-Measured: 1,600 (mm)
Test Configuration:Double Ended
Loading
Axial Load:2,502 (kN)
P-D:Shear provided
L-Top:0
L-Bottom:0
Longitudinal Reinforcement
Diameter:16 (mm) corner bars | 16 (mm) intermediate bars
Number of Bars:12
Perpendicular to Load:Clear cover: 13 (mm) Number of intermediate bars: 2
Parallel to Load:Clear cover: 13 (mm) Number of intermediate bars: 2
Reinforcement Ratio:0.0151
Transverse Reinforcement
Type:RI: Rectangular and interlocking ties
Number of Shear Legs:4
Region of Close Spacing:Bar Diameter: 10 (mm) Hoop Sets: 7 Hoop Spacing: 92 (mm)
Region of Wide Spacing:Bar Diameter: 10 (mm) Hoop Sets: 0 Hoop Spacing: 0 (mm)
Reinforcement Ratio:0.02
Non-Dimensional Properties
Span-to-Depth Ratio:4
Axial Load Ratio:0.39
Test Results
Failure Type:Flexure
Damage Observation:Concrete Crushing: 17 (mm)
Significant Concrete Spalling: 0 (mm)
Long Bar Buckling: 50 (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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