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| Specimen Information | |
| Name: | Ng et al. 1978, No. 3 |
| Type: | Spiral |
| Comments: | Specimen had pier cap |
| Reference: | Ng Kit Heng; Priestley, M.J.N.; and Park, R., Seismic Behaviour of Circular Reinforced Concrete Bridge Piers, Report 78-14, Department of Civil Engineering, University of Canterbury, Christchurch, New Zealand, February 1978, 129 pages. |
| Material Properties | |
| Concrete Strength: | 33 (MPa) |
| Transverse Steel: | Yield Stress: 207 (MPa) |
| Longitudinal Steel: | Yield Stress: 294 (MPa) Strength: 396 (MPa) |
| Geometry | |
| Diameter: | 250 (mm) Cross-Section: Octagonal |
| Length: | L-Inflection: 930 (mm) L-Measured: 930 (mm) |
| Test Configuration: | Cantilever with Hammer Head |
| Loading | |
| Axial Load: | 550 (kN) |
| P-D: | Feff provided |
| L-Bottom: | 0 |
| Longitudinal Reinforcement | |
| Diameter: | 12 (mm) |
| Number of Bars: | 10 |
| Reinforcement Ratio: | 0.0218 |
| Transverse Reinforcement | |
| Diameter Spiral: | 4.3 (mm) |
| Hoop Spacing, Sv: | 10 (mm) |
| Cover to Center of Hoop Bar: | 10.2 (mm) |
| Reinforcement Ratio: | 2.48 |
| Non-Dimensional Properties | |
| Span-to-Depth Ratio: | 3.72 |
| Axial Load Ratio: | 0.322 |
| Test Results | |
| Failure Type: | Flexure |
| Damage Observation: | Concrete Crushing: 10 (mm) Significant Concrete Spalling: 20 (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 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. |
