تصفح Research Units حسب المؤلف "Rabie, Mohamed"
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Ambient and Heat-Cured Geopolymer Composites: Mix Design Optimization and Life Cycle Assessment
Rabie, Mohamed; Irshidat, Mohammad R.; Al-Nuaimi, Nasser ( Multidisciplinary Digital Publishing Institute (MDPI) , 2022 , Article)The feasibility of producing sustainable cement-free composites and its environmental impact were investigated in this research. Experimental parametric evaluation was carried out in this regard to explore the optimum mix ... -
Carbon Nanotubes Dosage Optimization for Strength Enhancement of Cementitious Composites
Mohammad R., Irshidat; Al-Nuaimi, Nasser; Salim, Soheb; Rabie, Mohamed ( Elsevier , 2019 , Conference Paper)Concrete is the most common used material for construction in Qatar as well as in the world. Exposure to sever environmental conditions causes physical deterioration of concrete structures and significantly affect the ... -
Hybrid effect of carbon nanotubes and polypropylene microfibers on fire resistance, thermal characteristics and microstructure of cementitious composites
Mohammad R., Irshidat; Al-Nuaimi, Nasser; Rabie, Mohamed ( Elsevier , 2020 , Article)The current study experimentally investigates the hybrid effect of carbon nanotubes (CNTs) and polypropylene (PP) microfibers on fire resistance and thermal characteristics of cementitious composites. Cement mortar with ... -
Influence of carbon nanotubes on phase composition, thermal and post-heating behavior of cementitious composites
Irshidat, Mohammad R.; Al-Nuaimi, Nasser; Rabie, Mohamed ( Multidisciplinary Digital Publishing Institute (MDPI) , 2021 , Article)This paper experimentally investigates the influence of carbon nanotubes (CNTs) on phase composition, microstructure deterioration, thermal behavior, and residual mechanical strengths of cementitious composites exposed to ... -
Microstructure and mechanical behavior of cementitious composites with multi-scale additives
Irshidat, Mohammad R.; Al-Nuaimi, Nasser; Rabie, Mohamed ( Techno Press , 2021 , Article)This paper studies the effect of using multi-scale reinforcement additives on mechanical strengths, damage performance, microstructure, and water absorption of cementitious composites. Small dosages of carbon nanotubes ... -
The role of polypropylene microfibers in thermal properties and post-heating behavior of cementitious composites
Irshidat, Mohammad R.; Al-Nuaimi, Nasser; Rabie, Mohamed ( Multidisciplinary Digital Publishing Institute (MDPI) , 2020 , Article)This paper experimentally studied the effect of polypropylene (PP) microfibers on thermal and post-heating mechanical behaviors of cementitious composites. Cement mortars with small dosage of polypropylene fibers were ... -
Sustainable alkali-activated binders with municipal solid waste incineration ashes as sand or fly ash replacement
Irshidat, Mohammad R.; Al-Nuaimi, Nasser; Rabie, Mohamed ( Springer Nature , 2022 , Article)The present study investigates the feasibility of using two types of municipality solid wastes incineration ashes, namely, fly ash and bottom ash in the production of sustainable alkali-activated binder. The ashes are ... -
Thermal behavior and post-heating fracture characteristics of polypropylene microfiber-reinforced geopolymer binders
Mohammad R., Irshidat; Al-Nuaimi, Nasser; Rabie, Mohamed ( Elsevier , 2022 , Article)This paper investigated the post-heating behavior of fly ash-based geopolymer binders reinforced with polypropylene (PP) microfibers. Geopolymer binders with different fiber contents including 0%, 0.05%, 0.1%, and 0.2% by ...