تصفح Theme 2: Materials and Transportation Engineering حسب تاريخ النشر
السجلات المعروضة 1 -- 20 من 43
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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 ... -
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 ... -
Determination of Temperature Zoning for the Great Lakes Region of Africa Based on Superpave System
( Qatar Univesrity Press , 2020 , Conference Paper)"Majority of the countries in the Great Lakes region of Africa still rely on the traditional Penetration grading approach for characterizing asphalt binder, as opposed to the more recent and reliable approach of SuperPave ... -
Effect of Alkaline Activators on the Mechanical Properties of Geopolymer Mortar
( Qatar Univesrity Press , 2020 , Conference Paper)"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 ... -
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 ... -
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 ... -
Evaluating the Operational Impact of Left-Turn Exclusive Number of Lanes: A Case Study from Qatar
( Qatar Univesrity Press , 2020 , Conference Paper)Left-turning movements can significantly reduce the overall capacity of signalized intersections due to the queueing built up. Intersections with heavy left-turning volumes tend to use multiple lanes to accommodate left-turn ... -
Recycled Concrete Used in Subbase in Potential Use for Road Base and Cement Bounded Material (CBM)
( Qatar Univesrity Press , 2020 , Conference Paper)"Structure life cycle and economic developments in Qatar can lead to reconstruction as well as demolition of structures such as buildings and roads. One of the main wastes from demolition work is concrete and reinforced ... -
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 ... -
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. ... -
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. ... -
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 ... -
Developing Assessment Framework for Strategic Transportation Projects in Qatar
( Qatar Univesrity Press , 2020 , Conference Paper)This paper presents Transportation Assessment Framework and process for selecting, defining, and naming assessment criteria to be used in transport appraisal. The approach is based on a review of national and international ... -
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 ... -
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 Paper)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 ... -
Concept Design of Major Roads and Infrastructure in the Center of Doha City: Phase 4 project
( Qatar Univesrity Press , 2020 , Conference Paper)"Doha, the Capital City of Qatar. A cosmopolitan, diverse and ever-growing international hub in the Arabian Gulf. It’s recent and continuous rapid expansion necessitates the careful planning of its roads infrastructure. ... -
Use of Crumb Rubber Modified Binders and Asphalt Mixtures in Public Works Authority Road Projects - State of Qatar
( Qatar Univesrity Press , 2020 , Conference Paper)This paper illustrates the approach adopted by the Public Works Authority (Ashghal) of the State of Qatar for the widespread implementation in road projects of paving technologies related to the use of crumb rubber modified ... -
Spatial Impact Network Exposure Model (SINEM) with Integration of Traffic Characteristics and Air Pollution Concentration
( Qatar Univesrity Press , 2020 , Conference Paper)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 ... -
An Artificial Intelligence Approach to Estimate Travel Time along Public Transportation Bus Lines
( Qatar Univesrity Press , 2020 , Conference Paper)Public transportation sectors have played significant roles in accommodating passengers and commodities efficiently and effectively. The modes of public transportation often follow pre-defined operation schedules and routes. ... -
Optimum Dispersion Parameters of Carbon Nanotubes: Concrete Strength by Response Surface Methodologies
( Qatar Univesrity Press , 2020 , Conference Paper)"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. ...