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| Specimen Information | |
| Name: | Lehman et al. 1998, 430 |
| Type: | Spiral |
| Comments: | Longitudinal bars were bundled in two layers |
| Reference: | Lehman, D.E.; Moehle, J.P.; "Seismic Performance of Well-Confined Concrete Bridge Columns," Pacific Earthquake Engineering Research Center, PEER 1998/01, Dec. 2000 |
| Material Properties | |
| Concrete Strength: | 31 (MPa) |
| Transverse Steel: | Yield Stress: 606.8 (MPa) |
| Longitudinal Steel: | Yield Stress: 462 (MPa) Strength: 630 (MPa) |
| Geometry | |
| Diameter: | 609.6 (mm) Cross-Section: Circular |
| Length: | L-Inflection: 2,438.4 (mm) L-Measured: 2,438.4 (mm) |
| Test Configuration: | Cantilever |
| Loading | |
| Axial Load: | 653.86 (kN) |
| P-D: | P Ram rotation decreases V |
| L-Bottom: | 450 |
| Longitudinal Reinforcement | |
| Diameter: | 15.9 (mm) |
| Number of Bars: | 44 |
| Reinforcement Ratio: | 0.0298 |
| Transverse Reinforcement | |
| Diameter Spiral: | 6.4 (mm) |
| Hoop Spacing, Sv: | 31.8 (mm) |
| Cover to Center of Hoop Bar: | 22.2 (mm) |
| Reinforcement Ratio: | 0.7 |
| Non-Dimensional Properties | |
| Span-to-Depth Ratio: | 4 |
| Axial Load Ratio: | 0.072 |
| Test Results | |
| Failure Type: | Flexure |
| Damage Observation: | Concrete Crushing: 38.1 (mm) Significant Concrete Spalling: 50.8 (mm) Long Bar Buckling: 178 (mm) Long Bar Fracture: 0 (mm) Spiral Fracture: 178 (mm) Loss of Axial Load Capacity: 0 (mm) |
| Resources: | Force-Displacement Hysteresis (graph) Force Displacement Data (data) PEER-1998/01 (report) Column 430 Spalled Region (photo) |
| 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. |
