American Society of Civil Engineers

Theoretical Study of the Mechanical Behavior of Steel-Concrete Composite Beams under Uniform Load

by Chun-liang Li, (School of Communication Science & Engineering, Jilin Architecture and Civil Engineering Institute, 1129, Hongqi ST, Changchun, China. E-mail: and Long Zhang, (Architecture and Decoration College of Jilin Architecture and Civil Engineering Institute; 155, Jinhe ST, Changchun, China. E-mail:
Section: Transportation Infrastructure Construction and Emerging Technology, pp. 3030-3036, (doi:

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Document type: Conference Proceeding Paper
Part of: ICCTP 2010: Integrated Transportation Systems: Green, Intelligent, Reliable
Abstract: In order to study the mechanical properties of steel-concrete composite beams, the mechanical behavior and deformation mechanism of the steel-concrete composite beams are analyzed with laminated theory, and the connection degree between steel and concrete is considered in this paper. The mechanical models of the steel-concrete composite beams are put forward based on laminated theory under uniform load, and the distribution of deflection, strain and slip between steel and concrete can be calculated by the mechanical models. The results show that the mechanical models can reveal the mechanical behavior and deformation mechanisms of steel-concrete composite beams, and can clearly state the influence of the shear connectors on the stress behavior of composite beams. Consequently, using laminated theory to analyze the steel-concrete composite beams is more feasible and more precise.

ASCE Subject Headings:
Mechanical properties
Composite beams
Load factors
Composite structures