تصفح حسب المؤلف "Al-Nuaimi, Nasser"
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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 ... -
Development of Sustainable Eco-friendly Geopolymer Composites for Construction Applications
Rabie, Mohamed; Irshidat, Mohammad; Al-Nuaimi, Nasser ( Qatar University Press , 2020 , Poster)Geopolymerization is a process where silica and alumina rich source materials turns into excellent binding materials by the aid of alkali solutions. Materials such as fly ash are by-products in energy power plants. Fly ash ... -
Durability characteristics of high and ultra-high performance concretes
Sohail, Muazzam Ghous; Kahraman, Ramazan; Al Nuaimi, Nasser; Gencturk, Bora; Alnahhal, Wael ( Elsevier , 2021 , Article)Durability characteristics of high-performance concrete (HPC) and ultra-high performance concrete (UHPC) are evaluated in comparison to normal strength concrete (NSC). HPC and UHPC are cast using commonly available materials ... -
Effect of initial and final curing on performance of concrete in hot and arid climates
Al-Nuaimi, Nasser; Irshidat, Mohammad R.; Salim, Soheb ( Wiley-Blackwell , 2019 , Article)The effect of initial and final curing conditions of ordinary concrete cast in regions with harsh environmental conditions on the compressive strength and microstructure of concrete is investigated in this research. More ... -
Effect of mixing duration on flexural strength of multi walled carbon nanotubes cementitious composites
Mohsen, Mohamed O.; Al-Nuaimi, Nasser; Abu Al-Rub, Rashid K.; Senouci, Ahmed; Bani-Hani, Khaldoon A. ( Elsevier Ltd , 2016 , Article)This paper investigates the effect of mixing duration on the flexural strength of multi-walled carbon nanotubes (MWCNTs) reinforced cementitious composites. Each batch containing 0.03%, 0.08%, 0.15% or 0.25% MWCNT to cement ... -
Enhancing the Bond Durability of Basalt Fiber Reinforced Polymer Bars Using Basalt-Macro Fiber Reinforced Concrete
Taha, Alaa; Alnahhal, Wael; Al Nuaimi, Nasser ( Qatar University Press , 2023 , Conference Paper)This paper presents a study about the bond durability of basalt fiber reinforced polymers (BFRP) bars embedded in concrete incorporating basalt macro fibers (BMF) when conditioned in harsh saline environment at 60 °C. A ... -
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 ... -
Sustainable utilization of waste carbon black in alkali-activated mortar production
R. Irshidat, Mohammad; Al-Nuaimi, Nasser; Rabie, Mohamed ( Elsevier , 2021 , Article)This article investigates the potential utilization of waste carbon black (WCB) resulting from the aluminum industry as a by-product material in the fly ash-based geopolymer composites production. Experimental study was ... -
Use of local discarded materials in concrete
Taha, Ramzi; Al-Nuaimi, Nasser; Kilayli, Abdulazeez; Salem, Abdelhamid Ben ( Elsevier , 2014 , Article)Steel slag, a by-product of steel manufacturing, is generated in large quantities in Qatar. In fact, it is estimated that more than 400,000tons of steel slag are generated annually in the country. Gravel, resulting from ...