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Rashwan, M., Fahmy, M., Abdullah, A., Hesham, M. (2020). EFFECT OF GRAPHENE OXIDE ON THE MECHANICAL STRENGTH AND MICROSTRUCTURE OF CEMENTITIOUS MATERIALS. JES. Journal of Engineering Sciences, 48(No 1), 32-43. doi: 10.21608/jesaun.2020.109052
M. M. Rashwan; Mohamed FM Fahmy; A. Abdullah; M. Hesham. "EFFECT OF GRAPHENE OXIDE ON THE MECHANICAL STRENGTH AND MICROSTRUCTURE OF CEMENTITIOUS MATERIALS". JES. Journal of Engineering Sciences, 48, No 1, 2020, 32-43. doi: 10.21608/jesaun.2020.109052
Rashwan, M., Fahmy, M., Abdullah, A., Hesham, M. (2020). 'EFFECT OF GRAPHENE OXIDE ON THE MECHANICAL STRENGTH AND MICROSTRUCTURE OF CEMENTITIOUS MATERIALS', JES. Journal of Engineering Sciences, 48(No 1), pp. 32-43. doi: 10.21608/jesaun.2020.109052
Rashwan, M., Fahmy, M., Abdullah, A., Hesham, M. EFFECT OF GRAPHENE OXIDE ON THE MECHANICAL STRENGTH AND MICROSTRUCTURE OF CEMENTITIOUS MATERIALS. JES. Journal of Engineering Sciences, 2020; 48(No 1): 32-43. doi: 10.21608/jesaun.2020.109052

EFFECT OF GRAPHENE OXIDE ON THE MECHANICAL STRENGTH AND MICROSTRUCTURE OF CEMENTITIOUS MATERIALS

Article 4, Volume 48, No 1, January and February 2020, Page 32-43  XML PDF (655.42 K)
Document Type: Research Paper
DOI: 10.21608/jesaun.2020.109052
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Authors
M. M. Rashwan* 1; Mohamed FM Fahmy1; A. Abdullah2; M. Hesham2
1Civil Engineering Department, Assiut University, Egypt
2Civil Engineering Department, Aswan University, Egypt
Abstract
Cement-based concrete is used commonly for numerous constructions. Even though, cement has superior properties and great performance, its inherited brittleness is a major setback that needs more investigation for improvement. To eliminate this problem different types of additives, fibers, supplementary cementitious materials and nanomaterials have been used. One of these promising nanomaterials is graphene. This study is to investigate the feasibility of using graphene as a nano-additive to the cement based materials combined with a common used nano-additive such as silica fume as a dispersant. To conduct the study, eleven different mortar mixes were cast to investigate microstructure and mechanical properties of the cement mortar materials which were compared to benchmark samples. The studied parameters were ratios of both silica and graphene. Based on compressive and tensile strength, the results show that graphene can be thought of having the potential to be used as nano-reinforcement to improve the mechanical properties of cement based materials, provided that a proper amount of the dispersion agent is used.
Keywords
Nanomaterial; Graphene oxide; Silica fume; Additive; Cement
Main Subjects
Civil Engineering: structural, Geotechnical, reinforced concrete and steel structures, Surveying, Road and traffic engineering, water resources, Irrigation structures, Environmental and sanitary engineering, Hydraulic, Railway, construction Management.
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