Analytical Evaluation of Plastic Resistance of Column Base Connection Using Convex Set Theory

Jae Hyouk Choi; Kenichi Ohi

doi:10.4028/www.scientific.net/KEM.321-323.386

Paper Titles

Effect of Confining Pressure on Modeling High Early Strength Concrete under Uniaxial Loading
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Assessment of Local Damage Level in Engineered Cementitious Composites (ECC) Using Stress Wave Propagation
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Magnetoelastic Measurements of Steel Stress under Uniaxial Loading
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Calibration of an Impact Device and Its Application to the Normalized Spectral Analysis of Impact-Echo Tests
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Analytical Evaluation of Plastic Resistance of Column Base Connection Using Convex Set Theory
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Detection of Debonding in Concrete Members Retrofitted with FRP Using Electromagnetic and Ultrasonic Methods
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Crack Detection by Static Measurement in Steel Beams
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A Study on the Diagnosis Method of Concrete Structures of School Buildings Using Non-Destructive Tests Based on Stress Waves
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Remote Sensing of Bridge Displacement Using Digital Image Processing Techniques
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Analytical Evaluation of Plastic Resistance of Column Base Connection Using Convex Set Theory

Abstract:

It is important to estimate the structural safety of column base connection by calculating exact collapse loads. Column bases connection transfer reactions from the structure the foundation. In this paper, a simple mechanical model to predict their plastic resistance is proposed. An efficient linear-programming technique, which is called as Compact Procedure, is applied to column base connection model including multi-spring elements, where a column base is replaced by a set of plastic axial and bending springs. In Compact Procedure, it is not necessary to know the whole interaction surface of resistances at a plastic portion. A simple analytical model of column base connection to calculate its load-carrying capacity considering bi-axial loading effect is presented. In addition, efficiency of the proposed model is examined by comparing it with the past test results.