Browsing Theme 2: Materials and Transportation Engineering by Publication Date
Now showing items 1-20 of 43
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Compressive Strength and Hydration of Ravennagrass Baggase Ash Concrete
( Qatar Univesrity Press , 2020 , Conference Paper)The paper presents the findings of the effect of revennagrass baggase ash concrete compressive strength using compression machine and hydration behavior with the aid of non-contact electrical resistivity measurement device. ... -
Challenges for the Use of Local Materials in Unbound Road Subbase in Qatar
( Qatar Univesrity Press , 2020 , Conference Paper)Current practice in Qatar is to blend local limestone with dune sand for use in unbound pavement applications. Dune sand is used to improve the properties of fine aggregate and compliance with the QCS 2014 requirements of ... -
Evaluation of Bond Strength Between Carbon Fiber Reinforced Polymer (CFRP) Composites with Modified Epoxy Resins and Concrete
( Qatar Univesrity Press , 2020 , Conference Paper)Rehabilitation and strengthening of concrete structures are becoming more significant in civil engineering applications. The use of externally bonded Fiber Reinforced Polymers (FRP) is one of the methods to strengthen and ... -
Site-Specific Traffic Loading Estimation Challenges in Structural Pavement Design Process in Qatar: A Case Study
( Qatar Univesrity Press , 2020 , Conference Paper)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 Paper)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. ... -
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: ... -
Integrated Accident Resilience Framework (IARF) – A Theoretical Approach Using Spatial and Statistical Analysis
( Qatar Univesrity Press , 2020 , Conference Paper)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 ... -
Optimizing the Thermal Resistance of Concrete Using The Palm Tree Fronds Fibers
( Qatar Univesrity Press , 2020 , Conference Paper)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 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 ... -
Vehicle Inspection Policy and Emission Analysis in Kuwait
( Qatar Univesrity Press , 2020 , Conference Paper)"Technical vehicle inspection centers are widespread in Kuwait. All vehicles should pass the test every two years if not older than six years or every one-year for other vehicles. This study provided an insight into the ... -
Mechanical and Durability Characteristics of Roller Compacted Geopolymer Concrete Using Reclaimed Asphalt Pavement
( Qatar Univesrity Press , 2020 , Conference Paper)Every year a large quantity of reclaimed asphalt pavement (RAP) is generated in the USA. Utilization of RAP can solve the storage problem, prevent environmental pollution and reduce construction costs. This study focuses ... -
Asphalt Rideability Specification and Construction of Expressways in Qatar
( Qatar Univesrity Press , 2020 , Conference Paper)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 ... -
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 Paper)"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 ... -
Crowd Logistics Delivery Determinants: A Stated-Preference Survey
( Qatar Univesrity Press , 2020 , Conference Paper)"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 ... -
Emerging Transit Technology: Implementing an Urban Gondola System over Al Corniche, Doha, Qatar - A Cost Estimation Study
( Qatar Univesrity Press , 2020 , Conference Paper)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 ... -
Producing High Quality Recycled Hot Asphalt with Increased Reclaimed Asphalt Content – Qatar Experience
( Qatar Univesrity Press , 2020 , Conference Paper)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 Paper)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 ... -
Novel Method for Assessing Moisture Damage in Asphalt Mixtures
( Qatar Univesrity Press , 2020 , Conference Paper)Moisture damage is a major cause of early pavement deterioration and often accelerates other distresses such as rutting, fatigue cracking, and raveling. Water infiltrates into the pavement structure through the cracks and ... -
Modeling Airport Ground Access Mode Choice by Trip Purpose: Business vs. Personal Trips
( Qatar Univesrity Press , 2020 , Conference Paper)Air transportation traffic is increasing, and this results in newer and larger airport investments in outskirts of the cities. Thus, airport ground access is becoming an important topic to focus on. Indeed, there are many ... -
A Study on the Default Supplemental Adjustment Factors of Progression Adjustment Factor Formula under Non-Lane Based Traffic Condition
( Qatar Univesrity Press , 2020 , Conference Paper)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 ...
