This study investigates the structural behavior and fire resistance of Shallow Steel-Beam-Concrete Composite (SSCC) decks, focusing on the influence of various Steel-Concrete (SC) bonding techniques. SSCC decks combine steel beams with concrete slabs, offering structural efficiency and durability under significant loads. The effectiveness of SC bonding methods is evaluated by comparing experimental results to Full Composite Action (FCA) simulations. Fire resistance in shallow floors, particularly SlimFlor systems, is analyzed using numerical simulations and parametric studies, highlighting their enhanced performance due to concrete’s thermal shielding of steel. Additionally, the paper explores innovative deck profiles, particularly a top-hat section with transverse corrugations, improving buckling and shear resistance. Experimental tests of various loading scenarios validate the performance of these profiles, which may prove effective in composite slim-floor systems. Design recommendations are based on Australian Standards, with a call for adjustments to accommodate these novel profiles.

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1. Zhou Lin et al.: Composite action in Shallow Steel-beam-Concrete Composite decks, Engineering Structures, Volume 286, 2023, 116114,
2. Both et al.: Shallow floor construction with deep composite deck: from fire tests to simple calculation rules; HERON, Vol. 42, No. 3 (1997) 145.
3. Keerthana John et al.: Experimental Investigation of Novel Corrugated Steel Deck under Construction Load for Composite Slim-Flooring; Buildings2020, 10(11), 208;4. Wang YC. Performance of steel–concrete composite structures in fire. Progress in Structural Engineering and Materials. 2005 Apr;7(2):86-102. 5. Long J, Wang Y, Lou G, Hu Z, Yang T, Tan Q, Ke L. An experimental investigation of the fire behaviour of demountable composite beams with profiled steel decking. Engineering Structures. 2024 May 15;307:117944. 6. Piloto PA, Balsa C, Macêdo Gomes FM, Matias B. Fire resistance of composite slabs with steel deck under natural fire. Journal of structural fire engineering. 2021 Sep 30;12(4):522-40. 7. Maraveas C, Tsavdaridis KD, Nadjai A. Fire resistance of unprotected ultra shallow floor beams (USFB): a numerical investigation. Fire technology. 2017 Mar;53:609-27. 8. Choe L, Ramesh S, Dai X, Hoehler M, Bundy M. Experimental study on fire resistance of a full-scale composite floor assembly in a two-story steel framed building. Journal of structural fire engineering. 2022 Apr 29;13(2):145-61. 9. Ellobody E. Nonlinear behaviour of unprotected composite slim floor steel beams exposed to different fire conditions. Thin-Walled Structures. 2011 Jun 1;49(6):762-71. 10. Wang YC. Performance of steel–concrete composite structures in fire. Progress in Structural Engineering and Materials. 2005 Apr;7(2):86-102.

This study investigates the structural behavior and fire resistance of Shallow Steel-Beam-Concrete Composite (SSCC) decks, focusing on the influence of various Steel-Concrete (SC) bonding techniques. SSCC decks combine steel beams with concrete slabs, offering structural efficiency and durability under significant loads. The effectiveness of SC bonding methods is evaluated by comparing experimental results to Full Composite Action (FCA) simulations. Fire resistance in shallow floors, particularly SlimFlor systems, is analyzed using numerical simulations and parametric studies, highlighting their enhanced performance due to concrete’s thermal shielding of steel. Additionally, the paper explores innovative deck profiles, particularly a top-hat section with transverse corrugations, improving buckling and shear resistance. Experimental tests of various loading scenarios validate the performance of these profiles, which may prove effective in composite slim-floor systems. Design recommendations are based on Australian Standards, with a call for adjustments to accommodate these novel profiles.

🔒 This is a subscription article

Full text is available to subscribers and institutional members. Please choose an option below to access it.

1. Zhou Lin et al.: Composite action in Shallow Steel-beam-Concrete Composite decks, Engineering Structures, Volume 286, 2023, 116114,
2. Both et al.: Shallow floor construction with deep composite deck: from fire tests to simple calculation rules; HERON, Vol. 42, No. 3 (1997) 145.
3. Keerthana John et al.: Experimental Investigation of Novel Corrugated Steel Deck under Construction Load for Composite Slim-Flooring; Buildings2020, 10(11), 208;4. Wang YC. Performance of steel–concrete composite structures in fire. Progress in Structural Engineering and Materials. 2005 Apr;7(2):86-102. 5. Long J, Wang Y, Lou G, Hu Z, Yang T, Tan Q, Ke L. An experimental investigation of the fire behaviour of demountable composite beams with profiled steel decking. Engineering Structures. 2024 May 15;307:117944. 6. Piloto PA, Balsa C, Macêdo Gomes FM, Matias B. Fire resistance of composite slabs with steel deck under natural fire. Journal of structural fire engineering. 2021 Sep 30;12(4):522-40. 7. Maraveas C, Tsavdaridis KD, Nadjai A. Fire resistance of unprotected ultra shallow floor beams (USFB): a numerical investigation. Fire technology. 2017 Mar;53:609-27. 8. Choe L, Ramesh S, Dai X, Hoehler M, Bundy M. Experimental study on fire resistance of a full-scale composite floor assembly in a two-story steel framed building. Journal of structural fire engineering. 2022 Apr 29;13(2):145-61. 9. Ellobody E. Nonlinear behaviour of unprotected composite slim floor steel beams exposed to different fire conditions. Thin-Walled Structures. 2011 Jun 1;49(6):762-71. 10. Wang YC. Performance of steel–concrete composite structures in fire. Progress in Structural Engineering and Materials. 2005 Apr;7(2):86-102.