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Moment-Curvature Relation of Concrete Filled Circular Steel Tubular Beam with Nonlinear Stress-Strain Properties  

Park, Woo-Jin (서일대학 토목과)
Publication Information
Journal of the Korea institute for structural maintenance and inspection / v.9, no.3, 2005 , pp. 195-202 More about this Journal
Abstract
This paper presents moment-curvature analytical method of concrete filled steel tubular members considering intensity increase phenomenon by triaxial compression stress generation. For this purpose, this study considers buckling characteristics about compression department of steel members that filled up light weight and normal concrete. The analytical results are compared with the test results. Even if beam that filled up light weight concrete was calculated moment-curvature relationship easily analytically and could know that analytical results estimates as well agreed with the test results in case filled up normal concrete. In addition, the efficiency and applicabilities of the proposed moment curvature relationship algorithm are verified through conventional experimental results.
Keywords
Concrete Filled Tubular; Confined Concrete; Lightweight Foamed Concrete;
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