Browsing by Subject "Concrete"
Now showing items 1-14 of 14
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Bond characteristics of different FRCM systems
( Elsevier , 2018 , Article)© 2018 Elsevier Ltd Fabric-reinforced cementitious matrix (FRCM) composites are usually applied on the concrete surface for the purpose of strengthening reinforced concrete structures. The efficiency of FRCM as a strengthening ... -
Durability of plain concrete prism strengthened with galvanized steel mesh and CFRP laminates under harsh environmental conditions
( Elsevier , 2021 , Article)This paper investigates the bond durability of recently developed galvanized steel mesh (GSM) strengthening systems compared to the carbon fiber-reinforced polymer (CFRP) composites under severe environments. Plain concrete ... -
Eco-friendly Concrete Using Waste Plastic Bottles as Aggregate: A Case Study from Oman
( Qatar University Press , 2023 , Conference Paper)Waste plastic bottles (WPB) (polyethylene terephthalate (PET)) type are used widely for water storage and eventually become environmental burden. This study investigated an innovative application of the WPB to partially ... -
Effect of carbon nanotubes on the bonding mechanism of non-corrosive reinforcements to concrete
( Elsevier , 2024 , Article)This study aimed to assess the impact of waterborne pre-dispersed multiwall carbon nanotubes (MWCNTs) at a concentration of 0.2 wt % on the bond strength between concrete and non-corrosive reinforcements, including stainless ... -
Evaluation of Bond Strength Between Carbon Fiber Reinforced Polymer (CFRP) Composites with Modified Epoxy Resins and Concrete
( Qatar Univesrity Press , 2020 , Conference Paper)Rehabilitation and strengthening of concrete structures are becoming more significant in civil engineering applications. The use of externally bonded Fiber Reinforced Polymers (FRP) is one of the methods to strengthen and ... -
Influence of Adding Demolition Wastes on the Mechanical Properties of Concrete in Sultanate of Oman
( Qatar University Press , 2023 , Conference Paper)Nowadays the global trend in construction industry is to reduce the cost, saving energy and preserving the environment. Using other industries' waste material as a construction material is one of several methods followed ... -
Marine Dredging Sediments Valorization in Self-Compacting Concretes
( Qatar University Press , 2023 , Conference Paper)Rock and eroded soil are transported by wind, tide, and human action (development works), and deposited as sediment in ports, estuaries, and rivers. The sediment accumulation at the bottom of ports disrupts maritime ... -
Mechanical and Electromagnetic Properties of Self-Compacted Geopolymer Concretes With Nano Silica and Steel Fiber Additives
( Institute of Electrical and Electronics Engineers Inc. (IEEE) , 2022 , Article)Mechanical and electromagnetic properties (over 2-16 GHz) of self-compacted geopolymer concrete (SCGC) samples with different amounts of nanosilica (NS) and steel-fiber (SF) have been examined. From the mechanical tests, ... -
Numerical simulation of the fracture and compression response of self-healing concrete containing engineered aggregates
( Elsevier , 2023 , Article)The existing self-healing concretes that rely on capsules require modifications to one or more traditional concrete mixing, placing, and consolidating methods. Additionally, concrete mixture designs need alterations to ... -
Performance of modified self-healing concrete with calcium nitrate microencapsulation
( Elsevier Ltd , 2017 , Article)This study investigates the strength reduction associated with incorporating calcium nitrate microcapsules in concrete. It also proposes modifications to the calcium nitrate micro encapsulation procedure to minimize the ... -
Positively Shifting the Mindset in Construction Using Non-Biodegradable Materials for Sustainable Construction: An Experimental Study
( Qatar Univesrity Press , 2020 , Conference Paper)Disposing of the non-biodegradable material, scrap Tire rubber specifically, has always been a bone of contention for the municipalities around the world. Not only the land that it covers is the major issue, but also the ... -
Recent advancements in the nanomaterial application in concrete and its ecological impact
( MDPI , 2021 , Article)At present, nanotechnology is a significant research area in different countries, owing to its immense ability along with its economic impact. Nanotechnology is the scientific study, development, manufacturing, and processing ... -
Treated Medical Wastes Concrete
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)Medical wastes are hazardous, toxic and even lethal because of their high potential for disease transmission, All countries face a serious problem in the disposal of the medical wastes, where medical wastes rise rapidly ... -
Use of local discarded materials in concrete
( 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 ...