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Now showing items 851-860 of 929
Project Risk Based Evaluation for Infrastructure Works in Qatar: Highway Projects
(
Qatar Univesrity Press
, 2020 , Conference Paper)
The implementation of a project for infrastructure works such as highways, bridges,
flyovers, underpasses, tunnels, etc. can be complexed and unique. This has always
required a proper project management system that ...
Reflective Crack Mitigation Using AST Interlayer over Soil-Cement Base for Flexible Pavements
(
Qatar Univesrity Press
, 2020 , Conference Paper)
Flexible pavement over soil-cement base deteriorates over time due to reflective
cracking caused by the shrinkage of such base. The propagation of the reflective cracks
in overlaying hot mix asphalt (HMA) could be mitigated ...
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 ...
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: ...
Variation Orders in Building Projects in Khartoum State-Sudan: The Causes and the Impact on Projects Performance
(
Qatar Univesrity Press
, 2020 , Conference Paper)
"Occurrence of variation orders (VOs) is a common phenomenon in building projects and
a challenging feature. Opinions and feedback of the stakeholders of building projects at
Khartoum State – Sudan were investigated to ...
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 ...
Development and Performance of Cement Bound Materials in Road Pavements
(
Qatar Univesrity Press
, 2020 , Conference Paper)
The use of cement bound materials (CBMs) for road construction in Qatar is relatively
new. CBM improves the structural capacity and durability of pavement, but considerations
should be made to the setting time and strength ...
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 ...
Characterization of Asphalt Mixtures in Qatar
(
Qatar Univesrity Press
, 2020 , Conference Paper)
The State of Qatar went through a massive road construction program in the last decade
as part of the ongoing development of its infrastructure and road transport network.
Construction of roads in Qatar generally utilizes ...
Integration of Environmental and Sustainability Management Practices into Construction Industry: A Case Study
(
Qatar Univesrity Press
, 2020 , Conference Paper)
Integration of environmental and sustainability management into the construction
industry has become essential as a result of a need to improve financial performance,
adopt international protocols in a global marketplace, ...