Experimental and Numerical Study on the Flexural Performance of Assembled Steel-Wood Composite Slab

Guodong Li, Zhibin Liu, Wenjia Tang, Dongpo He and Wei Shan
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Guodong Li: School of Civil Engineering, Northeast Forestry University, Harbin 150040, China
Zhibin Liu: School of Civil Engineering, Northeast Forestry University, Harbin 150040, China
Wenjia Tang: School of Civil Engineering, Northeast Forestry University, Harbin 150040, China
Dongpo He: School of Civil Engineering, Northeast Forestry University, Harbin 150040, China
Wei Shan: School of Civil Engineering, Northeast Forestry University, Harbin 150040, China

Sustainability, 2021, vol. 13, issue 7, 1-17

Abstract: This paper presents research on a new type of fabricated steel–wood composite floor material in the style of a slab-embedded beam flange, using test methods and finite element numerical analysis to study the flexural load-bearing performance of the composite slabs. Through experimental phenomena, the failure process and mechanism of the composite floor are analyzed, and the deformation performance and ultimate bearing capacity of the composite floor material are assessed. Through numerical analysis of the finite element model, the influence of the connection mode of the floor and the composite beam, the type and number of connectors, and the width of the flange of the composite beam on the bending performance of the composite beam–slab system is studied. The research results show that the fabricated steel–wood composite floor slab has good load-bearing and deformation performance. The self-tapping screw connection of the floor slab is better than the ordinary steel nail connection, and the reasonable screw spacing is 100–150 mm. Increasing the flange width of the composite beam can significantly improve the load-bearing capacity of the steel–wood composite floor component.

Keywords: composite structure; steel-wood combination; experimental research; finite element analysis (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
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