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Mechanical properties and durability assessment of nylon fiber reinforced self-compacting concrete
Faculty
Engineering
Year:
2021
Type of Publication:
ZU Hosted
Pages:
Authors:
Ibrahim Attia Abdelmegeed Abdelgawad
Staff Zu Site
Abstract In Staff Site
Journal:
Journal of Engineered Fibers and Fabrics sage
Volume:
Keywords :
Mechanical properties , durability assessment , nylon fiber reinforced self-compacting
Abstract:
The higher paste volume in Self Compacting Concrete (SCC) makes it susceptible to have a higher creep coefficient and cracking and has brittle nature. This brittle nature of concrete is unacceptable for any construction industry. The addition of fibers is one of the most prevalent methods to enhance the ductile and tensile behavior of concrete. Fibers reduce the cracking phenomena and improve the energy absorption capacity of the structure. Conversely, the addition of fibers has a negative impact on the workability of fresh concrete. In this research work, a detailed investigation of the influence of Nylon fibers (NFs) on fresh properties, durability, and mechanical properties of SCC was carried out. NFs were added into concrete mixes in a proportion of 0.5%, 1%, 1.5%, and 2% by weight of cement to achieve the research objectives. Durability assessment of modified SCC having Nylon fibers was performed using water absorption, permeability, carbonation resistance, and acid attack resistant. Mechanical tests (compressive and tensile) were conducted for modified as well as control mix. Test results indicate that the passing and filling ability decreased while segregation and bleeding resistance increased with NFs. Furthermore, test results showed a significant increase in strength up to 1.5% addition of nylon fibers and then strength decreases gradually. Durability parameters were significantly improved with the incorporation of NFs relative to the control mix. Overall, this study demonstrated the potential of using nylon fibers in self-compacting concrete with improved durability and mechanical properties.
Author Related Publications
Ibrahim Attia Abdelmegeed Abdelgawad, "Flexural response and load capacity of reinforced concrete beams strengthened with reinforced mortar layer", Elsevier, 2021
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Ibrahim Attia Abdelmegeed Abdelgawad, "Experimental and theoretical study on the compressive strength of the high strength concrete incorporating steel fiber and metakaolin", Elsevier, 2021
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Ibrahim Attia Abdelmegeed Abdelgawad, "Experimental study of the influence of adhesive properties and bond length on the bond behaviour of NSM FRP bars in concrete", Taylor and Francis, 2016
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Ibrahim Attia Abdelmegeed Abdelgawad, "Experimental and analytical investigation into the flexural performance of RC beams with partially and fully bonded NSM FRP bars/strips", Composite Structures, 2015
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Ibrahim Attia Abdelmegeed Abdelgawad, "Flexural behavior of RC beams strengthened by NSM GFRP Bars having different end conditions", Elsevier, 2016
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Department Related Publications
Khalied Abdelaziz Mohamed Ali Attia, "Flexural Strength and Toughness of Austenitic Stainless Steel Reinforced High-Cr White Cast Iron Composite", SPRINGERLINK, 2013
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Selem Saleh Elsayed Ahmed Dawod, "The Effect of Fibre Orientation and Fibre Volume Traction on Mechanical Properties of GFR Polyester Beams in Tension", Engineering Bulletin, Ain Shams University, Vol.28, No.1, pp.519-536, 1993
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Selem Saleh Elsayed Ahmed Dawod, "The role of crack tip deformation in fatigue crack growth", International Conference in Engineering Against Fatigue, University of Sheffield, UK., 1997
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Selem Saleh Elsayed Ahmed Dawod, "Flexural behavior of fiber reinforced concrete slabs under central impact load", AEIC 13, 23-25, - 12 - 2014, 2014
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Amro Shehata Mohamed Shehata Fayed, "Numerical approach to the mechanics of disc blade dovetail joints in aero engine compressors", 11th International Conference on Fracture, Turin, Italy, 2005
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