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| 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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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. |
