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| Specimen Information | |
| Name: | Lynn et al. 1998, 2CMH18 |
| Type: | Rectangular |
| Comments: | |
| Reference: | Lynn, Abraham; "Seismic Evaluation of Existing Reinforced Concrete Building Colums," Ph.D. Thesis, University of California at Berkeley, Berkley, California, 1999, 284 pages. |
| Material Properties | |
| Concrete Strength: | 25.5 (MPa) |
| Transverse Steel: | Grade: 275 Yield Stress: 399.9 (MPa) Strength: 558 (MPa) |
| Longitudinal Steel: | Grade: 275 Corner Yield Stress: 331 (MPa) Strength: 496 (MPa) Intermediate Yield Stress: 331 (MPa) Strength: 496 (MPa) |
| Geometry | |
| X-Section: | Width: 457.2 (mm) Depth: 457.2 (mm) |
| Length: | L-Inflection: 1,473.2 (mm) L-Measured: 1,473.2 (mm) |
| Test Configuration: | Double Cantilever |
| Loading | |
| Axial Load: | 1,512 (kN) |
| P-D: | Shear provided |
| L-Top: | 0 |
| L-Bottom: | 0 |
| Longitudinal Reinforcement | |
| Diameter: | 25.4 (mm) corner bars | 25.4 (mm) intermediate bars |
| Number of Bars: | 8 |
| Perpendicular to Load: | Clear cover: 38.1 (mm) Number of intermediate bars: 1 |
| Parallel to Load: | Clear cover: 38.1 (mm) Number of intermediate bars: 1 |
| Reinforcement Ratio: | 0.0194 |
| Transverse Reinforcement | |
| Type: | R: Rectangular ties (around perimeter) |
| Number of Shear Legs: | 2 |
| Region of Close Spacing: | Bar Diameter: 9.5 (mm) Hoop Sets: 3 Hoop Spacing: 457.2 (mm) |
| Region of Wide Spacing: | Bar Diameter: 9.5 (mm) Hoop Sets: 0 Hoop Spacing: 0 (mm) |
| Reinforcement Ratio: | 0 |
| Non-Dimensional Properties | |
| Span-to-Depth Ratio: | 3.22 |
| Axial Load Ratio: | 0.284 |
| Test Results | |
| Failure Type: | Flexure-Shear |
| Damage Observation: | Concrete Crushing: 0 (mm) Significant Concrete Spalling: 0 (mm) Long Bar Buckling: 0 (mm) Long Bar Fracture: 0 (mm) Spiral Fracture: 0 (mm) Loss of Axial Load Capacity: 15 (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. |