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| Specimen Information | |
| Name: | Zahn et al. 1986, No. 7 |
| 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: | 28.3 (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: | 1,010 (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: 4 Hoop Spacing: 117 (mm) |
| Region of Wide Spacing: | Bar Diameter: 10 (mm) Hoop Sets: 0 Hoop Spacing: 0 (mm) |
| Reinforcement Ratio: | 0.016 |
| Non-Dimensional Properties | |
| Span-to-Depth Ratio: | 4 |
| Axial Load Ratio: | 0.223 |
| Test Results | |
| Failure Type: | Flexure |
| Damage Observation: | Concrete Crushing: 22 (mm) Significant Concrete Spalling: 0 (mm) Long Bar Buckling: 71 (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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The Structural Performance Database is a project of the Pacific Earthquake Engineering Research Center, funded by the National Science Foundation. Contact Marc Eberhard at the University of Washington with questions or comments. Report technical problems to the server administrator. Copyright 2003. |