Journal ArticleDOI
Use of recycled fibers in concrete composites: A systematic comprehensive review
TLDR
In this article, a comprehensive review was carried out on the influence of recycled plastic fibers (RPFs), recycled carpet fibers (RCFs) and recycled steel fibers (RSFs) on the fresh, mechanical and ductility properties of concrete.Abstract:
Municipal solid waste materials are growing worldwide due to human consumption. Nowadays, a different type of goods on large-scale is produced in the factories which is going to generate numerous amount of solid waste materials in the near future. Therefore, the management of these solid waste materials is a great concern around the world. Inadequate landfill, environmental pollution and its financial burden on relevant authorities, recycling and utilization of waste materials have a significant impact compared to disposing them. Studies have been done to reuse of waste materials as one of the elements of concrete composites. Each of the elements gives the concrete strength; however, the reuse of these wastes not only makes the concrete economical and sustainable, but also helps in decreasing environmental pollution. There are a number of different types of waste materials such as plastics, carpets, steels, tires, glass, and several types of ashes. In this paper, a comprehensive review was carried out on the influence of recycled plastic fibers (RPFs), recycled carpet fibers (RCFs) and recycled steel fibers (RSFs) on the fresh, mechanical and ductility properties of concrete. The previous studies were investigated to highlight the effects of these waste product fibers on the most important concrete properties such as slump, compressive strength, splitting tensile strength, flexural strength, modulus of elasticity, ultrasonic pulse velocity, energy absorption, ductility, and toughness. In this regard, more than 200 published papers were collected, and then the methods of preparation and properties of these recycled fibers (RF) were reviewed and analyzed. Moreover, empirical models using mechanical properties were also developed. As a result, RPFs, RCFs and RSFs could be used safely in concrete composites due to it is satisfactory fresh, physical and mechanical properties.read more
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Compressive strength of geopolymer concrete modified with nano-silica: Experimental and modeling investigations
TL;DR: In this article , a detailed review on the effect of nano-silica (nS) on the compressive strength (CS) of geopolymer concrete composites was provided, and a large amount of mixed design data were extracted from literature studies to create five different models including artificial neural network, M5P-tree, linear regression, nonlinear regression, and multi logistic regression models for forecasting the CS of GPC incorporated nS.
Journal ArticleDOI
The role of nanomaterials in geopolymer concrete composites: A state-of-the-art review
TL;DR: In this article , the effects of different nanoparticles on the most essential fresh, mechanical, durability, and microstructure characteristics of geopolymer paste, mortar, and concrete composites were reviewed, analyzed, and discussed in detail.
Journal ArticleDOI
Geopolymer concrete as a cleaner construction material: An overview on materials and structural performances
Hemn Unis Ahmed,Lavan J. Mahmood,Muhammad Muhammad,Rabar H. Faraj,Shaker M. A. Qaidi,Nadhim Hamah Sor,Ahmed A. S. Mohammed,Azad A. Mohammed +7 more
TL;DR: A comprehensive review on the fresh, mechanical, and structural performances of GPC is presented in this article , where the authors have explored the behaviour of geopolymer concrete (GPC) as an alternative to Portland cement concrete (PCC) in micro and macro dimensions.
Journal ArticleDOI
Fire resistance of geopolymer concrete: A critical review
TL;DR: In this paper , a critical literature review of current updates related to the fire performance of RF-reinforced GPC subjected to elevated temperatures and during fires is urgently necessary, conducting critical reviews on the type of RFs, spalling mechanism, physical inspection and properties of the RF-RGPCs.
Journal ArticleDOI
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
TL;DR: 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%.
References
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Evaluation of concrete containing waste plastic shredded fibers: Ductility properties
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The Effect of Incorporating Silica Stone Waste on the Mechanical Properties of Sustainable Concretes
Saeid Abbasi,Mohammad Hemen Jannaty,Rabar H. Faraj,Shahriar Shahbazpanahi,Amir Mosavi,Amir Mosavi +5 more
TL;DR: A reduced number of pores and higher density in the matrix can explain the better compressive strength of samples with 5% SSW powder.
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Hardened properties of binary cement concrete with recycled PET bottle fiber: An experimental study
TL;DR: In this article, the mechanical and fracture properties of binary cement concrete containing recycled waste PET bottle fiber (RWPBF) are studied as part of this experimental research work, which showed an increased compressive strength of 5% in addition of MK and further increase of up to 10.67% on inclusion of RWPBF.
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Influence of Tire-Recycled Steel Fibers on Strength and Flexural Behavior of Reinforced Concrete
Yancong Zhang,Lingling Gao +1 more
TL;DR: In this article, the authors focused on the use of tire-recycled steel fibers in reinforced concrete and showed that the steel fiber reinforced concrete is getting closer to the ideal elastic-plastic material.
Journal ArticleDOI
Physical, strength, and microscale properties of plastic fiber-reinforced concrete containing fine ceramics particles
TL;DR: In this paper, the authors investigated the engineering properties of concrete made with ceramic tile wastes as fine aggregates and Polyethylene terephthalate (PET) bottles as fibers, and the results showed that incorporating plastic fibers and ceramic waste resulted in a decrease in the slump value, hence a reduction in the workability of the fresh concrete.