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Development of Sustainable Eco-friendly Geopolymer Composites for Construction Applications
(
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 ...
Sustainable utilization of waste carbon black in alkali-activated mortar production
(
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 ...
The Mechanical and Environmental Performance of Fiber-Reinforced Polymers in Concrete Structures: Opportunities, Challenges and Future Directions
(
MDPI
, 2022 , Article Review)
The construction sector is well known for its critical environmental impact resulting from the consumed amounts of raw materials and the tremendous emissions of greenhouse gases. Therefore, scientists need to promote and ...
Parametric Optimization of RC Beams Strengthened with FRCM Using FE Modelling and Response Surface Methodology
(
Qatar University Press
, 2023 , Conference Paper)
This study focuses on the numerical and statistical analyses to predict the mid-span moment capacity of RC beams strengthened with fabric reinforcement cementitious mortar (FRCM) laminate. A finite element model (FEM) has ...
Microstructure and mechanical behavior of cementitious composites with multi-scale additives
(
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 ...
Carbon Nanotubes Dosage Optimization for Strength Enhancement of Cementitious Composites
(
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 ...
The role of polypropylene microfibers in thermal properties and post-heating behavior of cementitious composites
(
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 ...
Thermal behavior and post-heating fracture characteristics of polypropylene microfiber-reinforced geopolymer binders
(
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 ...
Ambient and Heat-Cured Geopolymer Composites: Mix Design Optimization and Life Cycle Assessment
(
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 ...
Influence of carbon nanotubes on phase composition, thermal and post-heating behavior of cementitious composites
(
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 ...