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Improving the flexural toughness behavior of R.C beams using micro/nano silica and steel fibers
Faculty
Engineering
Year:
2021
Type of Publication:
ZU Hosted
Pages:
Authors:
Hamdy Ahmed Kamal Shehabeldien
Staff Zu Site
Abstract In Staff Site
Journal:
Advances in Concrete Construction Techno-Press, Ltd
Volume:
Keywords :
Improving , flexural toughness behavior , , beams using micro/nano
Abstract:
Experimental investigation has been conducted to study the effect of using Micro/Nano Silica in presence of steel fibers on improving the static response of reinforced concrete beams. Twenty-one mixtures were prepared with micro silica (MS), Nano silica (NS) and steel fibers (SFs) at different percentages. Cement was replaced by 10% and 15% of Micro silica and 1%, 2% and 3% of Nano silica in the presence of steel fibers at different volume fractions 0%, 1%, and 2%. 258 concrete samples, (126 cubes, 63 cylinders, 63 prisms, and six R.C beams), were investigated experimentally in two stages. The first stage was to investigate the mechanical properties of the prepared mixtures. The second stage was to study the static behavior of R.C beams, using the designed concrete mixtures, under a four-point flexural test. The results showed that replacing cement by (10% MS and 1% NS) produces the optimum mix with a significant improvement in the mechanical properties and the response of R.C beams under static loads. In addition, incorporating steel fibers at different volume fractions have a considerable effect on the flexural toughness of concrete mixes.
Author Related Publications
Hamdy Ahmed Kamal Shehabeldien, "Mechanical properties of fly ash based geopolymer concrete with full and partial cement replacement", Elsevier, 2016
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Hamdy Ahmed Kamal Shehabeldien, "Enhancing of Self - Compacting Reinforced Concrete Columns Using Central Reinforcement", International Journal of Current Engineering and Technology, IJCET, ISSN 2277 – 4106, Vol.2, 2012, pp. 357 – 364., 2012
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Hamdy Ahmed Kamal Shehabeldien, "Effect of Temperature on Strength of Concrete Strengthening With CFRP.", International Journal of Engineering Science and Innovative Technology (IJESIT), ISSN: 2319-5967, 2013
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Hamdy Ahmed Kamal Shehabeldien, "Mechanical performance of high strength concrete made from high volume of Metakaolin and hybrid fibers", Construction and Building Materials, 2017
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Hamdy Ahmed Kamal Shehabeldien, "Strengthening of Cutouts in Existing One-Way Spanning R. C. Flat Slabs Using CFRP Sheets", International Journal of Concrete Structures and Materials, 2017
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Department Related Publications
Eshak Ibrahiem Eshak Hana, "Dynamic Effect of Trains on Multispan Railway Bridges", لايوجد, 1900
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Eshak Ibrahiem Eshak Hana, "Dynamic Effect of Trains on Multispan Railway Bridges", 9th International Colloquium on Structural and Geotechnical Engineering, Ain Shams Univ., Cairo, Egypt, 10-12 April 2001., 2001
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Eshak Ibrahiem Eshak Hana, "Computer Analysis of Cylindrical Tanks Resting on Elastic Foundations", Bulletin of the Faculty of Eng., Cairo University, Paper 7, 1976-1977., 1976
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Eshak Ibrahiem Eshak Hana, "Buckling of Thin Rectangular Plates by Iteration", Al-Azhar Univ., Cairo, 1982
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Eshak Ibrahiem Eshak Hana, "Transverse Moments in Simply Supported Box Girders with Two Overhanging Ends", Scientific Bulletin of the Faculty of Eng., Ain-Shams Univ., No. 17, Vol. 1, 1985., 1985
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