Browsing Civil & Architectural Engineering by Title
Now showing items 548-567 of 681
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Recent issues on stadium monitoring and serviceability: A review
( Springer New York LLC , 2016 , Book chapter)Unlike most of civil engineering structures whose static and dynamic responses are estimated accurately through several codes and guidance, stadiums reserve a distinctive place especially when it comes to their dynamic ... -
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 ... -
Reducing railway-induced ground-borne vibration by using open trenches and soft-filled barriers
( Elsevier Ltd , 2016 , Article)A trench can act as a barrier to ground vibration and is a potential mitigation measure for low frequency vibration induced by surface railways. However, to be effective at very low frequencies the depth required becomes ... -
Release of colloids in saturated porous media under transient hydro-chemical conditions: A pore-scale study
( Elsevier , 2021 , Article)The deposition and consequent release of colloids pose a significant challenge to the environment, groundwater quality and human health. Subsurface soil contains numerous types of colloids that exhibit a diverse range of ... -
A reliability-based weather-responsive variable speed limit system to improve the safety of rural highways
( Elsevier , 2022 , Article)Weather-responsive Variable Speed Limit (WRVSL) systems treat speed limits as weather-dependent random variables, as opposed to the conventional static speed limits. This study (i) evaluates drivers’ response to a fixed ... -
Reliable tuberculosis detection using chest X-ray with deep learning, segmentation and visualization
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)Tuberculosis (TB) is a chronic lung disease that occurs due to bacterial infection and is one of the top 10 leading causes of death. Accurate and early detection of TB is very important, otherwise, it could be life-threatening. ... -
Removal of petroleum hydrocarbons and sulfates from produced water using different bioelectrochemical reactor configurations
( Elsevier B.V. , 2019 , Article)Produced water (PW) is a wastewater generated in large quantities from the extraction of oil and gas. PW found to have high amounts of dissolved solids (TDS) and residual petroleum hydrocarbons causing considerable damage ... -
Removal of petroleum hydrocarbons and sulfates from produced water using different bioelectrochemical reactor configurations
( Elsevier , 2019 , Article)Produced water (PW) is a wastewater generated in large quantities from the extraction of oil and gas. PW found to have high amounts of dissolved solids (TDS) and residual petroleum hydrocarbons causing considerable damage ... -
Repair of Heat-Damaged RC Beams Using Micro-concrete Modified with Carbon Nanotubes
( Korean Society of Civil Engineers , 2021 , Article)This paper investigates the use of micro-concrete modified with carbon nanotubes (CNTs) for the repair of heat-damaged reinforced concrete (RC) beams. Ten RC beams were cast and then subjected to elevated temperature of ... -
Retarding aging of asphalt binders using antioxidant additives and copolymers
( Taylor and Francis Ltd. , 2019 , Article)The rheological properties of asphalt binders change with aging. Aging is accelerated at elevated temperatures due to binder oxidation, leading to fatigue cracking and eventually pavement failure under heavy and repeated ... -
Retention of Hydrophobic Colloids in Unsaturated Porous Media using Microfluidics
( Qatar University Press , 2023 , Conference Paper)Water recharge wells can provide a solution for 3.5 billion people, living in regions suffering from water scarcity. Due to fines migration, freshwater wells that are used to recharge aquifers, often experience expedited ... -
Reveal the hidden layer via entity embedding in traffic prediction
( Elsevier B.V. , 2019 , Conference Paper)The neural network-based models have been widely used in traffic prediction. They have improved accuracy and efficiency in traffic flow, speed, passenger flow, and delay. Many variables are considered to predict traffic ... -
Revealing the hidden features in traffic prediction via entity embedding
( Springer London , 2019 , Article)Models based on neural networks (NN) have been used widely and successfully in traffic prediction resulting in improved accuracy and efficiency in traffic flow, speed, passenger flow, and delay. Input data include continuous ... -
A review of climatic impacts on water main deterioration
( Elsevier , 2023 , Article)Watermains are both directly and indirectly affected by climatic conditions such as temperature and precipitation. Research has been conducted to understand and model the effects of climatic conditions on watermain breaks. ... -
Review of existing transportation sustainability initiatives and their applicability to Qatar
( American Society of Civil Engineers (ASCE) , 2012 , Conference Paper)Sustainable development is Qatar's main national goal. The fact that Qatar has secured the World Cup bid for 2022 will make it the first Arab country to host the world cup. This honor and Qatar's plan to advance its ... -
Review on Decarbonizing the Building Sector in Oil and Gas Countries: The Case of Qatar
( Qatar University Press , 2023 , Conference Paper)Climate change is a serious international issue, and nations must move to carbon reduction to mitigate this problem. Therefore, Qatar is building strategies, towards energy transitions and decarbonization. Whereas, energy ... -
Review on the production of medium and small chain fatty acids through waste valorization and CO2 fixation
( Elsevier Ltd , 2020 , Article)The developing approaches in the recovery of resources from biowastes for the production of renewable value-added products and fuels, using microbial cultures as bio-catalyst have now became promising aspect. In the path ... -
Rheological evaluation of shortand long-term performance for warm mix asphalt (WMA) binders
( Kluwer Academic Publishers , 2016 , Article)Warm-mix asphalt (WMA) additives are environmentally friendly and cost-effective products that lower the viscosity of bituminous binders to allow reduction of mixing and compaction temperatures in asphalt mix production. ... -
Rheological, Thermal, and Chemical Evaluation of Asphalt Binders Modified Using Crumb Rubber and Warm-Mix Additive
( American Society of Civil Engineers (ASCE) , 2022 , Article)This study evaluates the potential of producing warm-mix asphalt (WMA) using a wax-based additive (Sasobit) in a binder modified using crumb rubber (CR). This binder is formulated for very hot climates and has a grade of ... -
Road safety status during COVID-19 pandemic: exploring public and road safety expert’s opinions
( Taylor & Francis , 2022 , Article)The main objective of this study is to investigate the status of traffic safety and the public perception of traffic safety during the during COVID-19 pandemic. Three different data sets are used in this study: road crash ...