Browsing Civil and Environmental Engineering by Title
Now showing items 717-736 of 779
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Techno-economic assessment of forward osmosis as a pretreatment process for mitigation of scaling in multi-stage flash seawater desalination process
( Elsevier , 2023 , Article)Thermal desalination processes suffer from the formation of scalants on the heat exchangers of the evaporator unit which negatively affect the process efficiency. This study evaluated the technical and economic feasibility ... -
Temporal variation in walking behavior: An empirical study
( Elsevier Ltd , 2017 , Article)This study provides a baseline for understanding the variation in walking behavior with respect to seasonal conditions in a hot weather country in the Arabian Gulf region. A busy neighborhood with different land-use patterns ... -
Tensile characterization of multi-ply fabric-reinforced cementitious matrix strengthening systems
( Wiley-Blackwell , 2019 , Article)Fabric reinforced cementitious matrix (FRCM) is a composite consisted of high-strength fibers impregnated in a cement-based mortar, and is commonly used for strengthening reinforced concrete and masonry structures. ... -
Textile-Reinforced Mortar (TRM) System as a Strengthening Technique on Reinforced Concrete Beams
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)There is considerable investment in construction industry in Qatar for civil infrastructures and taking into account the severe environmental conditions, they would entail for proper maintenance, repair and strengthening ... -
The Dependent Clogging Dynamics and Its Impact on Porous Media Permeability Reduction
( Qatar University Press , 2023 , Conference Paper)The dynamics of fine particle entrapment, transport, and deposition within pore systems, particularly the ability of mobile fines to impair permeability within porous media, are critical to a variety of natural and manmade ... -
The dynamic interaction effects of railway tunnels: Crossrail and the Grand Central Recording Studios
( SAGE Publications Ltd , 2018 , Article)In cities around the world, underground railways offer an environmentally friendly solution to society's increasing demand for mass transport. However, they are often constructed close to sensitive buildings, where the ... -
The effect of end bearings on the dynamic behavior of Floating-Slab tracks with discrete Slab Units
( International Institute of Acoustics and Vibrations , 2016 , Conference Paper)Floating-slab tracks are known as one of the most effective means for reducing ground-borne vibration from railways. For such tracks, the rails are sitting on the top of a slab which is supported via resilient elements ... -
The effect of end bearings on the dynamic behaviour of floating-slab tracks with discrete slab units
( Taylor and Francis Ltd. , 2017 , Article)This article builds on previous work in the literature to investigate the dynamic effect of end bearings between consecutive slab units of floating-slab tracks. The work considers a floating-slab track with discrete units ... -
The Effect of Surface Treatment of Basalt FRP Bars on the Shear Capacity of Oneway High-Strength Concrete Slabs
( Qatar University Press , 2023 , Conference Paper)Corrosion is a common condition encountered by steel reinforcing bars which has a considerable negative impact on the structural integrity of concrete structures. Nowadays, applying anti-corrosive composite materials such ... -
The effect of track load correlation on ground-borne vibration from railways
( Academic Press , 2017 , Article)In predictions of ground-borne vibration from railways, it is generally assumed that the unevenness profile of the wheel and rail is fully correlated between the two rails and the two wheels of an axle. This leads to ... -
The engineering legacy of the FIFA World Cup Qatar 2022 TM: Stadium 974- Reuse as driving force for sustainable stadium design
( ICE Publishing , 2024 , Article)Stadium 974, located on the east shore of the Doha Bay in the municipality of Ras Abu Aboud, is the first fully demountable, transportable, and reusable stadium of its kind. Modular systems in construction have a long track ... -
The engineering legacy of the FIFA World Cup Qatar 2022TM: Al Bayt Stadium
( ICE Publishing , 2024 , Article)In contemporary architecture, textile membranes offer a wide range of possible structural applications, especially for facades and roofs with large spans and where the reduction of self-weight plays an important role for ... -
The engineering legacy of the FIFA World Cup Qatar 2022TM: Al Janoub Stadium
( ICE Publishing , 2024 , Article)Al Janoub was the first new-build stadium designed for the FIFA World Cup Qatar 2022TM. This paper describes the journey of the engineering design of the 40,000 seat stadium, from the concept and detailed design development ... -
The engineering legacy of the FIFA World Cup Qatar 2022TM: Al Thumama Stadium
( ICE Publishing , 2024 , Article)The structures of the Al Thumama Stadium, built for the FIFA World Cup Qatar 2022, can be categorised into four main building components. The permanent bowl structure with lower and middle tiers is mainly cast-in-place ... -
The impact of electric field on the demulsification efficiency in an electro-coalescence process
( Elsevier , 2023 , Article)In this study, the influence of the electric field and its determining parameters such as voltage, inter-electrode distance and frequency on the demulsification efficiency of a water-in-oil emulsion was studied. The numerical ... -
The influence of aeration scheme and aeration rate on the permeate flux for wastewater treatment using membrane bioreactors: Experimental and artificial neural network modeling
( Desalination Publications , 2021 , Article)In this paper, the effect of time, aeration scheme, aeration rate, and mixed liquor suspended solid (MLSS) concentration on the permeate flux in membrane bioreactors have been studied. Aeration rates of 0.5, 1.0, and 1.5 ... -
The influence of bus service satisfaction on university students' mode choice
( John Wiley and Sons Ltd , 2016 , Article)The purpose of this study was to determine the relationship between bus service satisfaction and the transport mode of choice among university students in Qatar. The degree of bus service satisfaction was collected directly ... -
The Influence of Reinforcement Ratio on the Shear Behaviour of Sand Coated Basalt FRP Bars Reinforced Beams
( Springer Science and Business Media Deutschland GmbH , 2022 , Conference Paper)Qatar is known by its harsh corrosive environment that is represented by high periodical humidity, and dust accompanied by temperature fluctuation. Also, geographically Qatar is considered a peninsula, this in turn makes ... -
The link between high performance work practices and organizational performance: Empirically validating the conceptualization of HPWP according to the AMO model
( Emerald Group Publishing Ltd. , 2016 , Article)Purpose � The purpose of this paper is to better understand the relationship between high-performance work practices (HPWP) and organizational performance through a multi-dimensional model of the relationship between HPWP ... -
The Mechanical and Environmental Performance of Fiber-Reinforced Polymers in Concrete Structures: Opportunities, Challenges and Future Directions
( MDPI , 2022 , Article Review)The construction sector is well known for its critical environmental impact resulting from the consumed amounts of raw materials and the tremendous emissions of greenhouse gases. Therefore, scientists need to promote and ...