Collapse-resistant performance of a single-story frame assembly and multi-story sub-frame under an internal column-removal scenario

Wei-hui Zhong; Zheng Tan; Li-Min Tian; Bao Meng; Yu-hui Zheng; Shi-chao Daun

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자료유형: 학술저널

저자정보: Wei-hui Zhong (Xi’an University of Architecture and Technology) Zheng Tan (Xi’an University of Architecture and Technology) Li-Min Tian (Xi’an University of Architecture and Technology) Bao Meng (Xi’an University of Architecture and Technology) Yu-hui Zheng (Xi’an University of Architecture and Technology) Shi-chao Daun (Xi’an University of Architecture and Technology)

저널정보: 국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.41 No.5

발행연도: 2021.12

수록면: 663 - 679 (17page)

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연구주제

📖

연구배경

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연구방법

🏆

연구결과

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To elucidate the differences in the collapse behavior between a single-story beam-column assembly and multi-story frame, two 1/3-scale two-bay composite frames, including a single-story composite beam?column assembly and a three-story composite sub-frame, were designed and quasi-statically tested. The load?displacement responses, failure modes, and internal force development of the two frames were analyzed and compared in detail. Furthermore, the resistance mechanisms of the two specimens were explored, and the respective contributions of different load-resisting mechanisms to the total resistances were quantitatively separated to gain deeper insights. The experimental tests indicated that Vierendeel action was present in the two-dimensional multi-story frames, which led to an uneven internal force distribution among the three stories. The collapse resistance of TSDWA-3S in the flexural stage was not significantly increased by the structural redundancy provided by the additional story, as compared to that of TSDWA-1S. Although the development of the load response was similar in the two specimens at flexural stage, the collapse mechanisms of the multi-story composite frame were much more complicated than those of the single-story beam?column assembly, and the combined action between stories was critical in determining the internal force redistribution and rebalancing of the remaining structure.

#multi-story composite sub-frame #progressive collapse #single-story composite beam?column assembly #static test #performance analysis

참고문헌 (40)

참고문헌 신청

Alireza Khaloo / 2018 / Evaluation of vierendeel peripheral frame as supporting structural element for prevention of progressive collapse / Steel and Composite Structures, An International Journal 26(5):549~556

Hadi Baghi / 2018 / Behavior of reinforced concrete frame with masonry infill wall subjected to vertical load / Engineering Structures 171:476~487

Tamer H. M. A. Kasem / 2010 / Multiphase Modeling of Wave Propagation Over Submerged Obstacles Using Weno and Level Set Methods / Coastal Engineering Journal 52(3):235~259

Florea Dinu / 2017 / Experimental testing and numerical modelling of steel moment-frame connections under column loss / Engineering Structures 151:861~878

DoD(Department of Defense) / 2013 / Design of buildings to resist progressive collapse. Unified facilities criteria (UFC) 4-023-03 / DoD

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