Specimen Information
Name: Lynn et al. 1996, 3SMD12
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)
Splice Length: 635 (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:RD: Rectangular and diagonal ties
Number of Shear Legs:3.4
Region of Close Spacing:Bar Diameter: 9.5 (mm) Hoop Sets: 4 Hoop Spacing: 304.8 (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: 0 (mm)
Resources:Force Displacement Data (data)
Record Information
Version:1 (April 8, 2003)
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.