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| Specimen Information | |
| Name: | Lynn et al. 1998, 3CMH18 |
| 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: | 27.6 (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: | 31.8 (mm) corner bars | 31.8 (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: | 0.0303 |
| 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: | 0.262 |
| Test Results | |
| Failure Type: | Shear |
| Damage Observation: | Concrete Crushing: 0 (mm) Significant Concrete Spalling: 0 (mm) Long Bar Buckling: 30.5 (mm) Long Bar Fracture: 0 (mm) Spiral Fracture: 0 (mm) Loss of Axial Load Capacity: 30.5 (mm) |
| Resources: | Force Displacement Data (data) |
| Record Information | |
| Version: | 1 (April 8, 2003) |
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