Performance evaluation of fiber-reinforced concrete produced with steel fibers extracted from waste tire
Özer Zeybek,Yasin Onuralp Özkılıç,Ali İhsan Çelik,A. Deifalla,M Ahmad,Mohanad Muayad Sabri Sabri +5 more
TLDR
In this paper , an experimental study was carried out to explore the effect of fiber content on the fresh and hardened state of the concrete, and compression, splitting tensile, and flexure tests were performed to observe the performance of concrete with tire-recycled steel fibers with the ratios of 1, 2% and 3%.Abstract:
With the increasing number of vehicles in the world, the amount of waste tires is increasing day by day. In this case, the disposal of expired tires will cause serious environmental problems. In recent years, instead of disposing of tire wastes, most of them have been started to be recycled to produce fiber-reinforced concrete. Thus, steel fibers recovered from waste tires have been preferred as an alternative to industrial steel fibers due to their environmentally friendly and low-cost advantages. In this study, an experimental study was carried out to explore the effect of fiber content on the fresh and hardened state of the concrete. To achieve this goal, compression, splitting tensile, and flexure tests were carried out to observe the performance of the concrete with tire-recycled steel fibers with the ratios of 1%, 2% and 3%. There is an improvement in the mechanical properties of the concrete with the increase of the volume fraction of the steel fiber. However, a significant reduction in workability was observed after the addition of 2% steel fibers. Therefore, it is recommended to utilize 2% tire-recycled steel fibers in practical applications. Furthermore, experimental results of concrete with tire-recycled steel fibers were collected from the literature and empirical equations based on these results were developed in order to predict the compressive and splitting tensile strengths.read more
Citations
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Mechanical Behavior of Crushed Waste Glass as Replacement of Aggregates
Özer Zeybek,Memduh Karalar,Shaker M. A. Qaidi,Jawad Ahmad,D D Burduhos-Nergis,Costica Bejinariu +5 more
TL;DR: In this paper , ground glass powder and crushed waste glass were used to replace coarse and fine aggregates, and significant progress in the tensile strength of the concrete was achieved by 14%, while the waste glass used as a fractional replacement for the fine aggregate.
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Use of Waste Glass Powder toward more Sustainable Geopolymer Concrete
Ali İhsan Çelik,Ufuk Tunç,A. | Bahrami,Memduh Karalar,Azree Othuman Mydin,Thamer Alomayri,Yasin Onuralp Özkılıç +6 more
TL;DR: In this article , the influence of waste glass powder (WGP) with fly ash in certain proportions on geopolymer concrete (GPC) was investigated by exchanging different proportions of molarity and WGP percentages in GPC.
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Mechanical Behavior in terms of Shear and Bending Performance of Reinforced Concrete Beam Using Waste Fire Clay as Replacement of Aggregate
Yasin Onuralp Özkılıç,Bogachan Basaran,Ceyhun Aksoylu,Memduh Karalar,Carlos Humberto Martins +4 more
TL;DR: In this paper , a series of experimental studies were performed on 12 + 12 small-scale bending and shear RCBs of 100×150×1000mm, considering altered WFC and stirrup spacing.
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Shear Performance of Reinforced Expansive Concrete Beams Utilizing Aluminium Waste
Yasin Onuralp Özkılıç,Memduh Karalar,Ceyhun Aksoylu,Alexey Beskopylny,Sergey A. Stel’makh,Evgeniy Shcherban,Shaker M. A. Qaidi,Sergio Neves Monteiro,Afonso Rangel Garcez de Azevedo +8 more
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Performance of Manufactured and Recycled Steel Fibres in Restraining Concrete Plastic Shrinkage Cracks
TL;DR: In this article , the effect of manufactured steel fibres (MSF) and recycled tyre steel fibers (RTSF) on restraining plastic shrinkage and micro cracks at different dosages (10, 20, and 30 kg/m3).
References
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