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السجلات المعروضة 11 -- 20 من 45
Group Gap Acceptance: A New Method to Analyze Driver Behavior and Estimate the Critical Gap at Multilane Roundabouts
(
Hindawi Limited
, 2018 , Article)
The operations of multilane roundabouts, especially three-lane roundabouts, are unique and more complicated than any other type of roundabouts. This study aims to analyze driver behavior and estimate the critical gap at ...
Recycling of Local Qatar’s Steel Slag and Gravel Deposits in Road Construction
(
OMICS International
, 2014 , Article)
Every year, the State of Qatar generates about 400,000 tons of steel slag and another 500,000 tons of gravel as a result of steel manufacturing and washing sand, respectively. The two materials (by-products) are not fully ...
The Effect of Aluminium Dross on Mechanical and Corrosion Properties of Concrete
(
OMICS International
, 2014 , Article)
It is the objective of this project is to investigate the mechanical and chemical behaviour of new concrete type obtained by adding aluminium dross which is an impure aluminium mixture that results from metals melting and ...
Construction safety risk assessment with introduced control levels
(
Vilnius Gediminas Technical University
, 2018 , Article)
It is of great importance to facilitate the risk assessment process in construction projects because risk assessment is a requirement in most legislation and safety standards. A great majority of construction SMEs (Small ...
Assessment of abnormally low tenders: a multinomial logistic regression approach
(
Taylor and Francis Ltd.
, 2017 , Article)
This study was performed in order to reveal factors affecting abnormally low tenders (ALTs) and to minimize negative effects of them. A thorough literature review was carried out to observe past research about the reasons ...
Evaluation of red-light camera enforcement using traffic violations
(
Periodical Offices of Chang- an University
, 2018 , Article)
The State of Qatar started to use red-light cameras in 2007 at key signalized intersections and the rate of installation has subsequently increased. In 2017, 19.2% of signalized intersections are equipped with red-light ...
Multiobjective optimization model for scheduling of construction projects under extreme weather
(
Taylor and Francis Ltd.
, 2016 , Article)
Extreme weather significantly impacts construction schedules and costs and can be a source of schedule delays and budget overruns. A multi-objective optimization model, presented herein for the scheduling of construction ...
Ground-borne vibrations due to railway traffic in urbanized areas: A numerical study about traffic in trench cross-sections
(
National Technical University of Athens
, 2017 , Conference Paper)
Modern cities require efficient mass transportation systems like subway and railway networks. Due to the lack of available space and also due to environmental concerns, it is usually preferable to use the underground space ...
Synthesis and characterization of cobalt hydroxide carbonate nanostructures
(
Royal Society of Chemistry
, 2017 , Article)
Battery-type electrodes of three-dimensional (3D) hierarchical cobalt hydroxide carbonate arrays on Ni foam were fabricated using a hydrothermal method for use in supercapacitors. X-ray diffraction analysis, scanning ...
Practical teaching and its importance in teaching civil engineering
(
Hamad bin Khalifa University Press (HBKU Press)
, 2013 , Conference Paper)
Students pursuing their civil engineering degree usually learn the theory part in class but may struggle to relate theory to practice if the instructor has no industry experience. Engineering graduates can benefit more ...