Paper Title:

Axial Strength of Concrete-Filled Square Steel Tubular Columns Reinforced by Inner Circular Steel Tube

Periodical Advanced Materials Research (Volumes 163 - 167)
Main Theme Advances in Structures
Edited by Lijuan Li
Pages 4542-4545
DOI 10.4028/www.scientific.net/AMR.163-167.4542
Citation Xin Zhong Li et al., 2010, Advanced Materials Research, 163-167, 4542
Online since December, 2010
Authors Xin Zhong Li, Xue Ying Wei, Jun Hai Zhao
Keywords Axially Compression, Composite Structure, Concrete Filled Steel Tube Column, Ultimate Strength, Unified Strength Theory
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Abstract

This paper presents the theoretical and experimental results of concrete-filled steel tube columns subjected to axially compression. A total of 6 specimens with outer square sections reinforced by inner cicular steel tube were constructed for experimental investigation. The ultimate strengths of the columns from tests were obtained. The theoretical strengths of the columns were also investigated based on unified strength theory, and compared with the test results. Good agreement can be observed from the comparison.