Review of Design Flexural Strengths of Steel–Concrete Composite Beams for Building Structures

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Title: Review of Design Flexural Strengths of Steel–Concrete Composite Beams for Building Structures

Author(s): Lan Chung, Jong-Jin Lim, Hyeon-Jong Hwang, and Tae-Sung Eom

Publication: IJCSM

Volume: 10

Issue: 3

Appears on pages(s): S109–S121

Keywords: composite beam, flexural strength, partial factor method, load and resistance factor method, composite structure.

Date: 9/30/2016

Abstract:
Recently, as the use of high-performance materials and complex composite methods has increased, the need for advanced design specifications for steel–concrete composite structures has grown. In this study, various design provisions for ultimate flexural strengths of composite beams were reviewed. Design provisions reviewed included the load and resistance factor design method of AISC 360-10 and the partial factor methods of KSSC–KCI, Eurocode 4 and JSCE 2009. The design moment strengths of composite beams were calculated according to each design specification and the variation of the calculated strengths with design variables was investigated. Furthermore, the relationships between the deformation capacity and resistance factor for flexure were examined quantitatively. Results showed that the design strength and resistance factor for flexure of composite beams were substantially affected by the design formats and variables.


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