Browsing Civil & Architectural Engineering by Title
Now showing items 110-129 of 676
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Blockchain and its Potential in the Digitization of Land and Real Estate Property Records
( Qatar University Press , 2023 , Conference Paper)A blockchain, is a decentralized digital ledger that is distributed across multiple computers, recording transactions in a way that cannot be altered without the consent of the network and the alteration of all subsequent ... -
Blue collar laborers’ travel pattern recognition: Machine learning classifier approach
( Elsevier , 2021 , Article)This paper proposes a pattern recognition model to develop clusters of homogenous activities for blue-collar workers in the State of Qatar. The activity-based data from the travel diary of 1051 blue-collar workers collected ... -
Bond and shear-strengthening performance of FRCM composites
( ISEC Press , 2019 , Conference Paper)This paper is aimed at studying the bond and shear-strengthening performance of fabric reinforced cementitious matrix (FRCM) systems. Three FRCM systems were compared, namely, polyparaphenylene benzobisoxazole (PBO)-FRCM, ... -
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 ... -
Bond durability and service life prediction of BFRP bars to steel FRC under aggressive environmental conditions
( Elsevier , 2021 , Article)This study presents an experimental investigation on the bond durability of helically wrapped basalt fiber reinforced polymer (BFRP) bars embedded in plain and steel fiber reinforced concrete (SFRC) under the combined ... -
Bond durability of basalt FRP bars to fiber reinforced concrete in a saline environment
( Elsevier , 2020 , Article)This study investigates the influence of basalt fiber reinforced concrete (BFRC) on the bond durability of helically wrapped basalt fiber reinforced polymers (HWBFRP) bars subjected to harsh saline environmental conditions. ... -
Bond Performance of Near-Surface Mounted BFRP Bars to Concrete
( 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 ... -
Bond performance of tensile lap-spliced basalt-FRP reinforcement in high-strength concrete beams
( Elsevier , 2022 , Article)This paper investigates the bond between high-strength concrete (HSC) and tensile lap-spliced basalt fiber-reinforced polymer (BFRP) bars. Ten large-scale BFRP-reinforced concrete beams (300 x 450 x 3900 mm) were fabricated ... -
Brain mr image enhancement for tumor segmentation using 3d u-net
( MDPI , 2021 , Article)MRI images are visually inspected by domain experts for the analysis and quantification of the tumorous tissues. Due to the large volumetric data, manual reporting on the images is subjective, cumbersome, and error prone. ... -
Brine reject dilution with treated wastewater for indirect desalination
( Elsevier , 2021 , Article)The forward osmosis (FO) process was suggested as a pretreatment to a multi-stage flashing (MSF) plant to reduce the environmental impact of brine discharge and the chemicals used. Yet, there is no study investigating the ... -
Calculating the response of waveguides to base excitation using the wave and finite element method
( SAGE , 2021 , Article)The prediction of the response of waveguides to time-harmonic base excitations has many applications in mechanical, aerospace and civil engineering. The response to base excitations can be obtained analytically for simple ... -
Can automated driving prevent crashes with distracted Pedestrians? An exploration of motion planning at unsignalized Mid-block crosswalks
( Elsevier , 2022 , Article)Pedestrian distraction may provoke severe difficulties in automated vehicle (AV) control, which may significantly affect the safety performance of AVs, especially at unsignalized mid-block crosswalks (UMCs). However, there ... -
Cantilever Beam Metastructure for Passive Broadband Vibration Suppression
( Qatar Univesrity Press , 2020 , Conference Paper)This paper presents a beam structure of a new metamaterial-inspired dynamic vibration attenuation system. The proposed experimental research presents a designed cantilevered zigzag structure that can have natural frequency ... -
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, ... -
Causes of construction change orders in Qatar: Contractors' perspective
( Inderscience Publishers , 2016 , Article)The construction industry involves complex processes which are prone to various changes and variations. However, it may be argued that the application of change orders within construction projects in the State of Qatar has ... -
Challenges and Mitigation of Cyber Threat in Automated Vehicle: An Integrated Approach
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)The technological development of automated vehicles opens novel cybersecurity threats and risks for road safety. Increased connectivity often results in increased risks of a cyber-security attacks, which is one of the ... -
Changes of perceived unevenness caused by in-track vibration countermeasures in slab track
( Elsevier Ltd , 2017 , Article)This paper investigates the relation between unevenness at different locations in a railway track and the unevenness perceived by a train, for the particular case of a slab track. The different types of unevenness considered ... -
Characterisation of air voids in w-fam samples using x-ray ct imaging
( CRC Press/Balkema , 2018 , Conference Paper)This study documents the use of high-resolution X-Ray Computed Tomography to characterise air void distribution in Fine Aggregate Mixtures (FAM) prepared using Warm Mix Asphalt (WMA) additives (W-FAM). Specimens were imaged ... -
Characterisation of air voids in w-fam samples using x-ray ct imaging
( CRC Press/Balkema , 2018 , Conference Paper)This study documents the use of high-resolution X-Ray Computed Tomography to characterise air void distribution in Fine Aggregate Mixtures (FAM) prepared using Warm Mix Asphalt (WMA) additives (W-FAM). Specimens were imaged ... -
Characterisation of fatigue resistance of alternative pavement design for the state of Qatar
( Taylor and Francis - Balkema , 2014 , Conference Paper)Asphalt mixtures have been designed in the past in the State of Qatar to safeguard against permanent deformation associated with high temperatures. These mixtures are typically designed to have low content of unmodified ...
