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http://dx.doi.org/10.7781/kjoss.2017.29.5.353

Evaluation of the Flexural Behavior of Composite Beam with Tunnel Steel Rib Support Using Circular Concrete Filled Steel Tube  

Ma, Sang Joon (Korea Institute of Civil Engineering and Building Technology)
Choi, Jun Hyeok (Dept. of Civil Engineering, Bucheon University)
Publication Information
Journal of Korean Society of Steel Construction / v.29, no.5, 2017 , pp. 353-359 More about this Journal
Abstract
The purpose of this study is to evaluate the strength and behavior of the composite member in case of concrete filled steel tube embedded in concrete for application concrete filled steel tube to steel rib support in tunnel. A total of six beam specimens were prepared for steel tube in-filled with plain concrete and aerated concrete, and static bending tests were performed. As a result, the member of concrete steel tube embedded with plain concrete showed higher strength than those with aerated concrete. However, it was found that the flexural strength of member with reinforcing bar around the steel tube is more influenced by the amount of the reinforcing bar than the type of the filled concrete.
Keywords
Concrete filled steel tube; Encased beam; Flexural behavior; Flexural strength;
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Times Cited By KSCI : 3  (Citation Analysis)
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