Theme 2: Materials and Transportation Engineering: Recent submissions
Now showing items 21-40 of 43
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Crowd Dynamics, Management and Control at Tourist Attractions during Special Events: A Case Study at Souq Waqif Using Pedestride® Crowd Simulation Tool
( Qatar Univesrity Press , 2020 , Conference)"Large crowds can be expected at famous tourist attractions, e.g., Souq Waqif, during special events such as the FIFA World Cup 2022. A comprehensive understanding of crowd dynamics is extremely important in order to ... -
Integrated Accident Resilience Framework (IARF) – A Theoretical Approach Using Spatial and Statistical Analysis
( Qatar Univesrity Press , 2020 , Conference)Throughout the world, road accidents have become a nightmare for any local government. Data shows that every 24 seconds someone dies on the road (WHO, 2018). Generally, there are multiple factors causing road accidents ... -
Crowd Logistics Delivery Determinants: A Stated-Preference Survey
( Qatar Univesrity Press , 2020 , Conference)"the environment. Consumers’ attitudes toward CL are understudied, especially in Qatar, where CL is currently unavailable. The purpose of this paper is to investigate consumers’ reactions to the theoretical attributes ... -
Producing High Quality Recycled Hot Asphalt with Increased Reclaimed Asphalt Content – Qatar Experience
( Qatar Univesrity Press , 2020 , Conference)Under the Public Works Authority (PWA) maintenance framework contract in the State of Qatar, road rehabilitation and maintenance generate considerable amounts of Reclaimed Asphalt (RA) than can be used in recycled Hot ... -
Using Reclaimed Asphalt and Polymer Modified Asphalt (PMA) to Maximize Cost Saving over the Pavement Life-Cycle in Qatar
( Qatar Univesrity Press , 2020 , Conference)Low performing asphalt mixes along with poor construction practices reduce the pavement serviceability and lead to early failure under repetitive traffic. Government agencies are sometimes urged to implement maintenance ... -
A Study on the Default Supplemental Adjustment Factors of Progression Adjustment Factor Formula under Non-Lane Based Traffic Condition
( Qatar Univesrity Press , 2020 , Conference)A mathematical expression of supplemental adjustment factor (fPA) has provided a way to estimate Progression Adjustment Factor (P.F.) more accurately as the P.F. relies on the fPA value. The mathematical formula of fPA ... -
A Study on Using Reclaimed Asphalt Pavement (RAP) in the Construction of New Roads in the State of Qatar
( Qatar Univesrity Press , 2020 , Conference)In the State of Qatar, road engineers started using RAP in the base course of asphalt pavement from past few years. The use of RAP not only replaces the quantity of virgin aggregate and binder, it also improves the overall ... -
Site-Specific Traffic Loading Estimation Challenges in Structural Pavement Design Process in Qatar: A Case Study
( Qatar Univesrity Press , 2020 , Conference)Upon the design of any pavement structure, three fundamental external design parameters have to be considered throughout the design process: the characteristics of the subgrade, traffic loads, and environmental conditions. ... -
Application of Vehicle Restraint Systems (VRSs) in the State of Qatar: A Case Study from Northern Roads
( Qatar Univesrity Press , 2020 , Conference)Recent developments within Infrastructural Road Safety and especially in the Sector of Vehicle Restraint Systems (VRS) have enabled Transport Authorities to significantly reduce road fatalities and severe injuries. ... -
Optimizing the Thermal Resistance of Concrete Using The Palm Tree Fronds Fibers
( Qatar Univesrity Press , 2020 , Conference)In the past few years, the issue of global warming has become increasingly visible. Record high as well as record low temperatures are being broken worldwide. Snow is melting in the poles and less sunrays are being reflected ... -
Improving Concrete Durability by Using Optimized Aggregate Gradation and Reducing Cement Content
( Qatar Univesrity Press , 2020 , Conference)"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 ... -
Spatial Impact Network Exposure Model (SINEM) with Integration of Traffic Characteristics and Air Pollution Concentration
( Qatar Univesrity Press , 2020 , Conference)The State of Qatar has undergone rapid economic growth and urbanization during the last few decades. This has resulted in an increase in the number of motor vehicles in the country. Therefore, it is vital to monitor and ... -
In-Pavement Fiber Bragg Grating Sensor for Vehicle Counting
( Qatar Univesrity Press , 2020 , Conference)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: ... -
Effect of Alkaline Activators on the Mechanical Properties of Geopolymer Mortar
( Qatar Univesrity Press , 2020 , Conference)"Geopolymerization is a process where silica and alumina rich source materials turn into excellent binding materials by the aid of alkali solutions. Materials such as fly ash are by-products in energy power plants. Fly ... -
Implementation of Crumb Rubber Modified Binder for Qatar Local Roads Construction Projects
( Qatar Univesrity Press , 2020 , Conference)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 ... -
Advanced Freeze-Thaw Assessment of Internally Integrated Concrete with Sodium Acetate
( Qatar Univesrity Press , 2020 , Conference)A new line of research is presented in this study where sodium acetate is used as a protective material for concrete. A newly developed freeze-thaw method that depends on the alteration of temperature and humidity is ... -
Emerging Transit Technology: Implementing an Urban Gondola System over Al Corniche, Doha, Qatar - A Cost Estimation Study
( Qatar Univesrity Press , 2020 , Conference)Urban gondolas are a type of driverless transit vehicles, which are increasingly drawing the attention as a viable mass transit alternative in urban environments and touristic areas. The system is distinctive with high ... -
Optimum Dispersion Parameters of Carbon Nanotubes: Concrete Strength by Response Surface Methodologies
( Qatar Univesrity Press , 2020 , Conference)"This paper implements Response Surface Methodologies (RSM) techniques to illustrate the maximum carbon nanotubes (CNTs)-concrete mechanical properties responses to the length, weight fraction and treatment variables. ... -
Comparison of the Mechanical Behavior of Railroad Ballast in a Box Test under Sinusoidal and Realistic Train Loadings Using Discrete Element Method
( Qatar Univesrity Press , 2020 , Conference)A ballasted track is a popular type of railway track and its use is increasing all over the world. A ballasted track consists of different structural elements like rails, fasteners, sleepers, ballast layer, sub-ballast ... -
Asphalt Rideability Specification and Construction of Expressways in Qatar
( Qatar Univesrity Press , 2020 , Conference)Development of an Expressway network with a smooth ride quality is part of the Qatar 2030 Vision. The Public Works Authority (Ashghal) has placed high importance on the asphalt specification and quality of construction of ...
