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Steel and Composite Structures Volume 52, Number 3, August 10 2024 , pages 313-325 DOI: https://doi.org/10.12989/scs.2024.52.3.313 |
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Flexural performances of deep-deck plate slabs: Experimental and numerical approaches |
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Inwook Heo, Sun-Jin Han, Khaliunaa Darkhanbat, Seung-Ho Choi, Sung Bae Kim and Kang Su Kim
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| Abstract | ||
| This work presents experimental and numerical investigations on the flexural performances of composite deep-deck plate slabs. Seven deep-deck plate slab specimens with topping concrete were fabricated; the height of the topping slab as well as presence and type of shear connector were set as the main variables to perform bending experiments. The flexural behaviors of the specimens and composite behaviors of the deck plate and concrete were analyzed in detail. The contributions of the deck plate to the flexural stiffness and strength of the slab were identified through finite element (FE) analysis. FE analysis was carried out using the validated FE model by considering the varying bond strengths of the deck plates and concrete, thickness of the deck plate, and types and spacings of the shear connectors. Based on the results, the degree of composite of the deep-deck plate was examined, and a flexural strength equation for the composite deck plate slabs was proposed. | ||
| Key Words | ||
| deep-deck plate; degree of composite; finite element analysis; flexural performance; shear connector | ||
| Address | ||
| Inwook Heo:Urban Safety and Security Research Institute, University of Seoul, 163 Seoulsiripdae-ro, Dongdaemun-gu, Soeoul 02504, Republic of Korea Sun-Jin Han:Department of Architectural Engineering, Jeonju University, 303, Cheonjam-ro, Wansan-gu, Jeollabuk-do, Republic of Korea Khaliunaa Darkhanbat:Department of Architectural Engineering, University of Seoul, 163 Seoulsiripdae-ro, Dongdaemun-gu, Soeoul 02504, Republic of Korea Seung-Ho Choi:Department of Fire and Disaster Prevention Engineering, University of Seoul, 163 Seoulsiripdae-ro, Dongdaemun-gu, Soeoul 02504, Republic of Korea Sung Bae Kim:The Naeun Structural Engineering, 1310-1311, 21, Yangpyeong-ro 22-gil, Yeongdeungpo-gu, Seoul, Republic of Korea Kang Su Kim:Department of Architectural Engineering and Smart City Interdisciplinary Major Program, University of Seoul, 163 Seoulsiripdae-ro, Dongdaemun-gu, Soeoul 02504, Republic of Korea | ||