대구경 콘크리트 충전형 합성기둥의 전단성능에 관한 해석적 연구 (Analytical Study of Shear Capacity for Large-Diameter Concrete-Filled Steel Tubes (CFT))
| Author(s): |
Eun Bi Jung
Hee Jin Yeom Jung Han Yoo |
|---|---|
| Medium: | journal article |
| Language(s): | Korean |
| Published in: | Journal of Korean Society of Steel Construction (한국강구조학회 논문집), October 2015, n. 5, v. 27 |
| Page(s): | 435-445 |
| DOI: | 10.7781/kjoss.2015.27.5.435 |
| Abstract: | Concrete filled steel tube(CFT), which has superior ductility and strength, is used for building column, bridge piers of ocean structure. Shear design equations of CFT existing in structural design provisions are excessively conservative. It has an effect on constructability and the economics of CFT. However, to suggest the reasonable shear design equation, experimental studies on the shear capacity of CFT have been rarely conducted. This study is analytical research to suggest improved shear design equations of large-diameter concrete-filled steel tubes. This analytical research was conducted to apply finite element analysis model of CFT based on the prior research. It was verified by comparison with prior test results. The verified model was used for parameter studies to estimate the influence of overhang length, concrete compressive strength and diameter-thickness ratio on shear strength. |
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10326347 - Published on:
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13/11/2019
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