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Accession number:  20113214226874

Title:  Experimental research and finite element analysis of concrete-filled steel box columns with longitudinal stiffeners

Authors:  Zhang, Junguang1 ; Liu, Yongjian1 ; Yang, Jian2 ; Xu, Kailei1  

Author affiliation:  1  School of Highway, Chang'an University, Xi'an 710064 Shaanxi, China

2  Department of Civil and Environmental Engineering, University of Tennessee, Knoxville, TN 37996, United States


Corresponding author:  Zhang, J. (zjg829@163.com)  

Source title:  Advanced Materials Research

Abbreviated source title:  Adv. Mater. Res.

Volume:  287-290

Monograph title:  Applications of Engineering Materials

Issue date:  2011

Publication year:  2011

Pages:  1037-1042

Language:  English

ISSN:  10226680

ISBN-13:  9783037851920

Document type:  Conference article (CA)

Conference name:  2011 International Conference on Advanced Engineering Materials and Technology, AEMT 2011

Conference date:  July 29, 2011 - July 31, 2011

Conference location:  Sanya, China

Conference code:  85968

Publisher:  Trans Tech Publications, P.O. Box 1254, Clausthal-Zellerfeld, D-38670, Germany

Abstract:  For further study of mechanical properties of concrete-filled steel box columns (CFSBCs) with longitudinal stiffeners, axially loading tests of CFSBCs with longitudinal stiffeners was conducted to obtain their ultimate bearing capacity and failure modes. The test results were compared with those of hollow steel box columns with longitudinal stiffeners. Cross section of the test specimen was scaled from a chord member of Dongjiang Bridge. The experimental results show that failure mode of CFSBCs with longitudinal stiffeners is local buckling of steel plates, which is different from that of concrete-filled thin wall steel tube columns with longitudinal stiffeners. Although longitudinal stiffeners can prevent global buckling of steel plates, the effect is less obvious than that of concrete-filled thin wall steel tube columns. Meanwhile, three-dimensional finite element models (FEM) of the specimens were modeled using computer program ANSYS to obtain bearing capacities and load-strain curves. The FEM results coincide quite well with the test results. Further, influence of width to thickness ratio on mechanical behavior of CFSBCs was analyzed using FEM. ? (2011) Trans Tech Publications.

Number of references:  13

Main heading:  Steel research

Controlled terms:  Arch bridges  -  Bearing capacity  -  Bearings (machine parts)  -  Bearings (structural)  -  Buckling  -  Failure modes  -  Finite element method  -  Safety engineering  -  Steel metallography  -  Thin walled structures   -  Three dimensional  -  Tubular steel structures

Uncontrolled terms:  Computer program  -  Concrete-filled  -  Cross section  -  Experimental research  -  Global buckling  -  Hollow steel  -  Load-strain curves  -  Loading tests  -  Local buckling  -  Longitudinal stiffener   -  Mechanical behavior  -  Steel box  -  Steel box columns  -  Steel plates  -  Steel tube column  -  Test results  -  Test specimens  -  Thin walls  -  Three dimensional finite element model  -  Ultimate bearing capacity   -  Width-to-thickness ratio

Classification code:  921.6 Numerical Methods  -  914 Safety Engineering  -  902.1 Engineering Graphics  -  601.2 Machine Components  -  545.3 Steel  -  421 Strength of Building Materials; Mechanical Properties  -  408.2 Structural Members and Shapes  -  408 Structural Design  -  401.1 Bridges

DOI:  10.4028/www.scientific.net/AMR.287-290.1037

Database:  Compendex
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