تصفح حسب المؤلف "n 82214206"
السجلات المعروضة 1 -- 12 من 12
-
3D-Printed Clay Enhanced with Graphene Nanoplatelets for Sustainable and Green Construction
( Multidisciplinary Digital Publishing Institute (MDPI) , 2023 , Article)This paper presents a study on the effects of graphene nanoplatelets (GNPs) on the mechanical behavior of 3D-printed burnt clay, the most sustainable and green construction material, under constant printing parameters. ... -
Carbon nanotube effect on the ductility, flexural strength, and permeability of concrete
( Hindawi Limited , 2019 , Article)Recently, remarkable types of carbon nanofilaments called carbon nanotubes (CNTs) have raised the interest of many concrete and cementitious composite researchers due to their significant mechanical, electrical, thermal, ... -
Characterization of tbm muck for construction applications
( MDPI , 2021 , Article)This paper investigates the potential utilization of the Tunnel Boring Machine (TBM) muck generated from Doha's Metro Gold Line in different construction applications. The properties of the raw TBM muck were studied, and ... -
Effect of using Cement Kiln Dust as a nano-material on the strength of cement mortars
( Springer Verlag , 2017 , Article)In this experimental study, the effects of using nano-sized Cement Kiln Dust (CKD) as a partial replacement for Ordinary Portland Cement (OPC) on the strength of cement mortars is investigated. The CKD was milled up to 4 ... -
Evaluation of Combined Excavation Waste and Reclaimed Asphalt Pavement Aggregates for Use in Road Bases and Sub-bases
( OMICS International , 2014 , Article)More than 15 million tons of aggregates are imported each year to Qatar from neighbouring countries. Large quantities of waste materials (around 20 million tons/year) from excavation waste, demolition rubble and reclaimed ... -
Optimum carbon nanotubes' content for improving flexural and compressive strength of cement paste
( Elsevier Ltd , 2017 , Article)This study investigated the effect of multi-walled carbon nanotubes’ (MWCNTs) weight fraction on the setting time and mechanical properties of cementitious composites. Different cement mixes containing CNT-to-cement weight ... -
Optimum Dispersion Parameters of Carbon Nanotubes: Concrete Strength by Response Surface Methodologies
( Qatar Univesrity Press , 2020 , Conference)"This paper implements Response Surface Methodologies (RSM) techniques to illustrate the maximum carbon nanotubes (CNTs)-concrete mechanical properties responses to the length, weight fraction and treatment variables. ... -
Recycling of Local Qatar’s Steel Slag and Gravel Deposits in Road Construction
( OMICS International , 2014 , Article)Every year, the State of Qatar generates about 400,000 tons of steel slag and another 500,000 tons of gravel as a result of steel manufacturing and washing sand, respectively. The two materials (by-products) are not fully ... -
RSM Analysis for Optimum Content of Graphene Nanoplatelets for 3D-Printed Clay Strength
( Qatar University Press , 2023 , Conference)This study applies Response Surface Methodologies (RSM) methods to maximize 3D-Printed clay mechanical properties. Mixes containing different Graphene Nanoplatelets (GNPs) contents were printed and tested in compression ... -
Significance of GOs, GNPs and CNTs' Nanomaterials on the Mechanical Properties of Cement
( Qatar University Press , 2023 , Conference)This study reports the statistical significance of using Graphene Oxides (GOs), Graphene Nanoplatelets (GNPs) and Carbon Nanotubes (CNTs) on the mechanical properties of cement paste. Samples containing several nanoparticles' ... -
Use Of Cement By-Pass Dust In Soil Stabilization
( Qatar University , 2001 , Article)Cement by-pass dust (CBPD) or cement kiln dust (CKD) is a by-product of the manufacture of Portland cement. It is generated during the calcining process in the kiln. Lime (CaO) constitutes more than 60% of CBPD composition. ... -
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 ...
