Experimental Study of Multi-Ribbed One-Way Composite Slabs Made of Steel Fibre, Foam, and Normal Concrete

This paper aims to study the effect of reinforcement configuration (steel fibre and rebar) on the mechanical performance of composite slabs of the same total steel contents. We manufactured four pieces of fullscale multi-ribbed composite prefabricated slabs with different reinforcement configuration...

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Bibliographic Details
Published in:Archives of civil engineering 2018-12, Vol.64 (2), p.79-96
Main Authors: Wang, Yabo, Liu, H. T., Dou, G. F., Xi, C. H., Qian, L.
Format: Article
Language:English
Subjects:
Acoustic insulation
composite slab
Concrete
Configurations
Crack propagation
foam concrete
Load resistance
Mechanical properties
multi-ribbed slab
one-way slab
Prefabrication
Rebar
Reinforcement
Reinforcing steels
Slabs
Static loads
Steel fibers
steel fibre
Ultimate loads
Weight reduction
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Summary:This paper aims to study the effect of reinforcement configuration (steel fibre and rebar) on the mechanical performance of composite slabs of the same total steel contents. We manufactured four pieces of fullscale multi-ribbed composite prefabricated slabs with different reinforcement configurations by using steel fibrereinforced concrete, foam concrete, and normal concrete. The multi-ribbed composite prefabricated slab has many excellent properties, such as light weight, good thermal and sound insulation. Thus, it can be applied to fabricated structures. In addition, the composite prefabricated slabs with the same total steel contents but with different reinforcement configurations were studied under the same static load, and many technical indicators such as crack resistance capacity, yield load, ultimate load capacity, maximum deflection, destructive pattern, and stress of steel rebar were obtained. Results indicate reinforcement configuration has a significant effect on the mechanical performance of composite prefabricated slabs with the same total steel contents, and composite prefabricated slabs reinforced with longitudinal rebar and steel fibre (volume fraction is 1.5%) have the best mechanical performance and ductility.
ISSN:1230-2945
2300-3103
1230-2945
DOI:10.2478/ace-2018-0018