Experimental and theoretical behaviour of large scale loaded steel mesh reinforced concrete Ground-Supported slabs

Rizzuto, Joseph; Shaaban, Ibrahim G.; Paschalis, Spyridon A.; Mustafa, T.S.; Benterkia, Zoubir

doi:10.1016/j.conbuildmat.2022.126831

Construction and Building Materials

2022

DOI: 10.1016/j.conbuildmat.2022.126831

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Experimental and theoretical behaviour of large scale loaded steel mesh reinforced concrete Ground-Supported slabs

Joseph Rizzuto

Ibrahim G. Shaaban

Spyridon A. Paschalis

et al.

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Cited by 4 publications

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Experimental investigation of rubberized concrete slab-on-grade containing tire-recycled steel fibers

Tahwia,

Noshi,

Abdellatief

et al. 2024

Innov. Infrastruct. Solut.

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The current study investigates the role of recycled steel fiber (RSF) and crumb rubber (CR) in the fracture behavior of rubberized reinforced concrete (RRC) slab-on-grade in terms of load–deflection responses, crack patterns, failure loads, deflection values, and toughness. RRC slab-on-grade measuring 1000 m × 1000 mm with a thickness of 60 mm were tested experimentally, and the soil was simulated with a steel model. The main parameters were the incorporation of CR as fine aggregate (i.e., 0%, 10%, and 20%) in the presence of RSF (0 and 0.5% by vol). The findings showed that a significant increase in the initial crack load of RRC slabs as compared to the reference slab, as well as slabs incorporated with high volumes of CR, showed favorable findings in post-cracking capacity and toughness compared to the reference slab. The incorporation of CR with 05% RSF can enhance the failure cracking load of concrete slabs by 12.79% (10%) and 20.97% (20%) at the center of the slab. The reference slab-on-grade failure load reached 43.0 kN, while the failure loads for the slabs containing 10% and 20% CR were 43.0 kN and 38.70 kN, respectively, without the addition of RSF. It was noticed that the slab deflection increased by 12.28% and 20.13%, respectively, compared to the reference slab. Finally, the slabs incorporating 0.5% RSF and 20% CR achieved a maximum failure load of 52.03 kN, which was attained because of additional microcracks forming closer to the loaded region, which enhanced the ductility of the slab-on-grade. Hence, the RSF and CR can be used to produce sustainable slab-on-grade with enhanced ductility, leading to a reduced overall cost and saving natural resources.

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Experimental investigation of rubberized concrete slab-on-grade containing tire-recycled steel fibers

Tahwia,

Noshi,

Abdellatief

et al. 2024

Innov. Infrastruct. Solut.

View full text Add to dashboard Cite

show abstract

Theoretical–Experimental Comparison of Behavior Between Deformations of Rigid Pavement Reinforced with Fibers and of Conventional Slabs

Diaz

Torres-Ortega

Saba

et al. 2022

Int. J. Pavement Res. Technol.

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Lattice-shaped ground improvement by mixing soil and alkali-activated slag for liquefaction mitigation

Zhang

Zhu

Jiao

et al. 2022

Case Studies in Construction Materials

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Experimental and theoretical behaviour of large scale loaded steel mesh reinforced concrete Ground-Supported slabs

Cited by 4 publications

References 5 publications

Experimental investigation of rubberized concrete slab-on-grade containing tire-recycled steel fibers

Experimental investigation of rubberized concrete slab-on-grade containing tire-recycled steel fibers

Theoretical–Experimental Comparison of Behavior Between Deformations of Rigid Pavement Reinforced with Fibers and of Conventional Slabs

Lattice-shaped ground improvement by mixing soil and alkali-activated slag for liquefaction mitigation

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