Browsing QU Conference Proceedings by Title
Now showing items 152-171 of 355
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Geotechnical Aspects of Sub-Sea Tunnelling on the Musaimeer Pumping Station and Outfall Tunnel Project
( Qatar Univesrity Press , 2020 , Conference Paper)Musaimeer outfall tunnel is one of the longest storm water tunnels in the world with a total length of 10.2 km. The tunnel is connected via a drop shaft to the main pump station. This system will accommodate surface and ... -
Geotechnical Challenges for Underground Infrastructure in Qatar: Hydrogeological Assessment for Dewatering and Deep Excavation Works: South of Wakrah Pumping Station and Outfall (SWPSO) Project
( Qatar University Press , 2023 , Conference Paper)The evaluation of hydrogeological conditions and groundwater inflows, as part of the geotechnical risk assessment, poses one of the key challenges during the design and construction of major infrastructure projects and ... -
GIS-Based Solutions for Monitoring and Controlling COVID-19 in ASHGHAL Construction Projects: Improving Construction Sector Resilience
( Qatar University Press , 2023 , Conference Paper)Early in 2020, doctors around the globe identified the virus responsible for Coronavirus disease 2019 (COVID-19). Rapidly spreading, the virus reached every continent. As part of its efforts to prepare for the FIFA World ... -
Hardened Properties of Self-Compacting Concrete Incorporating Recycled Granite Waste as Fine Aggregate
( Qatar University Press , 2023 , Conference Paper)The present paper investigates the hardened properties of self-compacting concrete by reusing granite waste to replace natural fin aggregates. The reuse of solid wastes as powder or aggregates allows us to produce sustainable ... -
High and Ultra-high Performance Concretes: A Solution to Reinforced Concrete Durability under Harsh Climate of Arabian Gulf
( Qatar Univesrity Press , 2020 , Conference Paper)Reinforced concrete (RC) infrastructure in the Arabian Gulf region deteriorates under severe environmental conditions after only short service life. To overcome this problem, it is imperative to employ high-quality concretes ... -
How Efficient Would Demand-Based Water Strategies Be for Qatar?
( Qatar University Press , 2023 , Conference Paper)Qatar is a water scarce country that heavily relies on seawater desalination. Multiple studies have concluded the need for a more resilient water planning through efficient "demand control" strategies. This study is among ... -
How Public Works Authority Has Built a Portfolio Dashboard Through Agility Approach
( Qatar Univesrity Press , 2020 , Conference Paper)The aim of this paper is to share PWA experience to develop a Portfolio Performance Dashboard (PPD) that suits its unique requirements. The case study sheds light on the challenges that PWA faced to develop an interim front ... -
Hydrogen Gas Production from the Injection of Nanoscale Zero-Valent Iron and Sodium Borohydride Solutions: Potential Effects Near Injection Wells
( Qatar Univesrity Press , 2020 , Conference Paper)The injection of nano-scale zero-valent iron (nZVI) is a remediation technique for the treatment of organic and metal contamination in soil and groundwater. The hydrogen gas (H2) produced during the reaction of nZVI and ... -
Identification of Karstic Features with Extensive Geophysical Investigation for Underground Infrastructure - South of Wakrah Pumping Station and Outfall (SWPSO) Project
( Qatar University Press , 2023 , Conference Paper)There has been a significant increase in the number of underground infrastructure projects built in a short period because of Qatar's goal of effective mass transit and robust urban drainage infrastructure, as well as the ... -
Impact of Draw Solution Concentration on Forward Osmosis Process: A Simulation Study
( Qatar Univesrity Press , 2020 , Conference Paper)In this study, a simulation model was used to evaluate the performance of forward osmosis process. A solution of low salinity was used as the feed solution in forward osmosis to dilute saline solution (i.e. draw solution) ... -
Impact of Ionic Strength on Colloid Retention in a Porous Media: A Micromodel Study
( Qatar Univesrity Press , 2020 , Conference Paper)Release of deposited colloids in the soil porous media during two-phase flow poses potential health hazard due to the facilitated transport of contaminants towards groundwater reservoirs. Considerable uncertainties exist ... -
Impact of Pore Morphology on Colloid Migration at Variable Saturation Levels of Natural Porous Media
( Qatar University Press , 2023 , Conference Paper)The migration of colloids within porous media has a critical impact on many important industrial processes such as oil production and groundwater recharge. Colloids can clog the pore space and hence impair the permeability ... -
Impact of the Fiber Distribution Characteristics on the Uniaxial Behaviour of Fiber-Reinforced Composites- An Experimental Study
( Qatar University Press , 2023 , Conference Paper)The demand for development of fiber-reinforced composites has enhanced as the practise of integrating fibres into concrete has become prevalent over the past few decades.. The intersection zone where the fiber crossing the ... -
Implementation of Building Information Modelling (BIM) on Public Infrastructure and Building Projects in Qatar
( Qatar University Press , 2023 , Conference Paper)Building Information Modelling (BIM) is a term that has been referenced around the world by many practitioners and researchers. This modern methodology for project delivery improves the quality, time, and cost of any type ... -
Implementation of Crumb Rubber Modified Binder for Qatar Local Roads Construction Projects
( Qatar Univesrity Press , 2020 , Conference Paper)The continuous increase in the pile up of used vehicle tires in Qatar poses a challenge contributing to potential environmental pollution problems. The magnitude of this problem can be drastically reduced by processing and ... -
Implementation of Odour Control Systems for Nuisance-free and Public Friendly Environment in Qatar
( Qatar University Press , 2023 , Conference Paper)The Public Works Authority (Ashghal) is contributing to the development of Qatar with the construction of first class, sustainable infrastructure with a high degree of public acceptance by utilizing best international ... -
Implementing the Last Planner System in a Design Project
( Qatar University Press , 2023 , Conference Paper)Through the past few years, the last planner system (LPS) as one of the main important methods of lean implementation in the (AECO) industry proved to improve efficiency, performance, reliability, planning and coordination. ... -
Improvement in Environmental Management Performance in Ashghal Projects
( Qatar University Press , 2023 , Conference Paper)The Public Works Authority (Ashghal) of Qatar is responsible for countrywide infrastructure and public building projects starting from their planning stages and through design, procurement, construction, operation, and ... -
Improving Concrete Durability by Using Optimized Aggregate Gradation and Reducing Cement Content
( Qatar Univesrity Press , 2020 , Conference Paper)"This study evaluated the effects of (1) reducing the cementitious content, (2) the use of optimized aggregate gradation (OAG) technique, and (3) the use of Portland limestone cement (Type IL) in Florida Class I pavement ... -
In-Pavement Fiber Bragg Grating Sensor for Vehicle Counting
( Qatar Univesrity Press , 2020 , Conference Paper)Traffic volume studies are conducted to determine the number, movements, and classifications of roadway vehicles at a given location and period. Typically, there are two methods for conducting traffic volume studies: ...