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Now showing items 31-40 of 131
Bio-Based Self-Healing Concrete for Sustainable and Durable Concrete Infrastructure
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Qatar University Press
, 2023 , Conference Paper)
In this study, bio-self-healing concrete was manufactured using a natural phenomenon called microbial-induced calcium carbonate precipitation (MICP). The bacillus cereus bacteria isolated from Qatari soil was used for this ...
A Comparison between Natural Pozzolana and Fly Ash Replacements on the Mechanical Properties of Concrete
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Qatar University Press
, 2023 , Conference Paper)
This study investigates the effect of Natural Pozzolana (NP) and Fly Ash (FA) substitutes on concrete's mechanical and microstructural properties. Mixes containing 10 - 50 % cement substitute ratios were prepared and tested ...
Bond Performance of Near-Surface Mounted BFRP Bars to Concrete
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Qatar University Press
, 2023 , Conference Paper)
This paper presents the test results of a study on the bond performance of near-surface mounted (NSM) basalt fiber reinforced polymer (BFRP) bars to concrete. Twelve C-shape concrete specimens were tested under direct ...
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 ...
Significance of GOs, GNPs and CNTs' Nanomaterials on the Mechanical Properties of Cement
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Qatar University Press
, 2023 , Conference Paper)
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' ...
Performance of Mild Steel and Corrosion-Resistant Steel Rebars in Chloride-Contaminated Concrete
(
Qatar University Press
, 2023 , Conference Paper)
Reinforced concrete (RC) infrastructure in Arabian Peninsula is subjected to harsh climatic conditions of high temperatures, humidity, and airborne chlorides and there is a high concentration of salts in seawater and soils. ...
A Bibliometric Study of Visual Quality Research in the Context of Urban Open Spaces
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Qatar University Press
, 2023 , Conference Paper)
Visual quality assessment has received much attention in research by forest management and landscape researchers after the mid-twentieth century with the advent of legal frameworks enacted to protect natural resources, ...
Investigation of Indoor Thermal Perceptions and Comfort Temperature in Educational Spaces in Qatar
(
Qatar University Press
, 2023 , Conference Paper)
We conducted thermal comfort field surveys in female educational spaces in Qatar in the autumn and winter of 2018 and 2020 – 21 and collected 324 datasets. They contained all the four environmental measurements and ...
Transit-oriented Development from the View of Traditional City Model
(
Qatar University Press
, 2023 , Conference Paper)
Several communities have adopted the transit-oriented development (TOD) model to improve the urban form of the city. Through the TOD model, citizens are enabled and encouraged to travel by public transit and live near it, ...
The Use of Newly Developed Public Transportation System in Relation to People’s Thermal Perception of Outdoor Climate
(
Qatar University Press
, 2023 , Conference Paper)
In the past decade, Doha the capital city of Qatar has witnessed a massive shift in various fields including economy, education, and sports sector. This flux caused rapid population growth, and as a result have led to an ...