Mechanical and durability characteristics of sustainable concrete modified with partial substitution of waste foundry sand

Ahmad, Jawad; Aslam, Fahid; Zaid, Osama; Alyousef, Rayed; Alabduljabbar, Hisham

doi:10.1002/suco.202000830

Cited by 26 publications

(24 citation statements)

References 22 publications

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“…This is due to fact that fibers act as crack stoppers, which delay the generation of micro-cracks. It has also been reported that an increase in fiber percentages results in more ductility, toughness, and strength [55]. Adding steel fibers in concrete enhances not only the strength attributes, but also the ductility of concrete, which provides a warning (deformation) before failure [56].…”

Section: Split Tensile Strengthmentioning

confidence: 98%

Effects of Steel Fibers (SF) and Ground Granulated Blast Furnace Slag (GGBS) on Recycled Aggregate Concrete

et al. 2021

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Recycled aggregate is a good option to be used in concrete production as a coarse aggregate that results in environmental benefits as well as sustainable development. However, recycled aggregate causes a reduction in the mechanical and durability performance of concrete. On the other hand, the removal of industrial waste would be considerably decreased if it could be incorporated into concrete production. One of these possibilities is the substitution of the cement by slag, which enhances the concrete poor properties of recycled aggregate concrete as well as provides a decrease in cement consumption, reducing carbon dioxide production, while resolving a waste management challenge. Furthermore, steel fiber was also added to enhance the tensile capacity of recycled aggregate concrete. The main goal of this study was to investigate the characteristics of concrete using ground granulated blast-furnace slag (GGBS) as a binding material on recycled aggregate fibers reinforced concrete (RAFRC). Mechanical performance was assessed through compressive strength and split tensile strength, while durability aspects were studied through water absorption, acid resistance, and dry shrinkage. The results detected from the different experiments depict that, at an optimum dose (40% RCA, 20%GGBS, and 2.0%), compressive and split tensile strength were 39% and 120% more than the reference concrete, respectively. Furthermore, acid resistance at the optimum dose was 36% more than the reference concrete. Furthermore, decreased water absorption and dry shrinkage cracks were observed with the substitution of GGBS into RAFRC.

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Section: Split Tensile Strengthmentioning

confidence: 98%

Effects of Steel Fibers (SF) and Ground Granulated Blast Furnace Slag (GGBS) on Recycled Aggregate Concrete

et al. 2021

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“…It has a consistent grain size distribution, with 85–95% of it having grains between 0.6 and 0.15 mm and 5–12% having grains smaller than 0.075 mm [ 38 ]. Figure 2 shows particle size distribution outcomes of WFS as reported by Ahmad et al [ 39 ] with regard to ASTM C33 [ 40 ] higher and lower limits for fine aggregate. The specific gravity of WFS was observed to be between 2.4 and 2.60, approximately equal to natural sand (2.65).…”

Section: Physical Propertiesmentioning

confidence: 99%

“…This reduction in flowability is most likely due to the existence of the water-absorbing nature of WFS (porous). Ahmad et al [ 39 ] also stated that the flowability of concrete reduced with the replacement of WFS. The greater the water absorption and fineness of the (WFS), the greater the requirement for water in concrete, causing reduced flowability of concrete mix.…”

Section: Fresh Propertiesmentioning

confidence: 99%

Waste Foundry Sand in Concrete Production Instead of Natural River Sand: A Review

et al. 2022

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The by-product of the foundry industry is waste foundry sand (WFS). The use of WFS in building materials will safeguard the ecosystem and environmental assets while also durable construction. The use of industrial waste in concrete offsets a shortage of environmental sources, solves the waste dumping trouble and provides another method of protecting the environment. Several researchers have investigated the suitability of WFS in concrete production instead of natural river sand in the last few decades to discover a way out of the trouble of WFS in the foundry region and accomplish its recycling in concrete production. However, a lack of knowledge about the progress of WFS in concrete production is observed and compressive review is required. The current paper examines several properties, such as the physical and chemical composition of WFS, fresh properties, mechanical and durability performance of concrete with partially substituting WFS. The findings from various studies show that replacing WFS up to 30% enhanced the durability and mechanical strength of concrete to some extent, but at the same time reduced the workability of fresh concrete as the replacement level of WFS increased. In addition, this review recommended pozzolanic material or fibre reinforcement in combination with WFS for future research.

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“…On the other hand, the yearly worldwide cement manufacture has moved 2.8 billion tons and is supposed to rise to some four billion tons each year. Cement production is challenging because of expense rises in energy resources, decreasing CO 2 releases, and depletion of natural resources [9,21,22]. Several industrial byproducts have been used effectively in concrete, including silica fume, ground granulated blast furnace slag, and fly ash [23,24].…”

Section: Introductionmentioning

confidence: 99%

Concrete with Partial Substitution of Waste Glass and Recycled Concrete Aggregate

et al. 2022

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The current practice of concrete is thought to be unsuitable because it consumes large amounts of cement, sand, and aggregate, which causes depletion of natural resources. In this study, a step towards sustainable concrete was made by utilizing recycled concrete aggregate (RCA) as a coarse aggregate. However, researchers show that RCA causes a decrease in the performance of concrete due to porous nature. In this study, waste glass (WG) was used as a filler material that filled the voids between RCA to offset its negative impact on concrete performance. The substitution ratio of WG was 10, 20, or 30% by weight of cement, and RCA was 20, 40, and 60% by weight of coarse aggregate. The slump cone test was used to assess the fresh property, while compressive, split tensile, and punching strength were used to assess the mechanical performance. Test results indicated that the workability of concrete decreased with substitution of WG and RCA while mechanical performance improved up to a certain limit and then decreased due to lack of workability. Furthermore, a statical tool response surface methodology was used to predict various strength properties and optimization of RCA and WG.

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Mechanical and durability characteristics of sustainable concrete modified with partial substitution of waste foundry sand

Cited by 26 publications

References 22 publications

Effects of Steel Fibers (SF) and Ground Granulated Blast Furnace Slag (GGBS) on Recycled Aggregate Concrete

Effects of Steel Fibers (SF) and Ground Granulated Blast Furnace Slag (GGBS) on Recycled Aggregate Concrete

Waste Foundry Sand in Concrete Production Instead of Natural River Sand: A Review

Concrete with Partial Substitution of Waste Glass and Recycled Concrete Aggregate

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