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Now showing items 31-40 of 43
Innovation in Road Construction Industry: An Analysis of Different Case Studies
(
Qatar Univesrity Press
, 2020 , Conference Paper)
Process improvement and innovation in the field of road construction sector offers
significant community and industry benefits, by making an important contribution
in economic growth and enhancing the quality of life. ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
Modelling the Severity of Plastic Shrinkage in Cementitious Materials
(
Qatar Univesrity Press
, 2020 , Conference Paper)
"Plastic shrinkage cracking in cement-based materials occurs between the mixing and the
final setting of the mixture, where rapid evaporation of the mixed water is the main cause
behind the phenomenon. The induced cracks ...