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Now showing items 21-30 of 67
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 ...
Micro shear bands: Precursor for strain localization in sheared granular materials
(
American Society of Civil Engineers (ASCE)
, 2019 , Article)
Recent studies have shown that detection of the onset and evolution of micro shear bands (MSBs) in granular materials can be improved using measurements of the kinematic behavior of particles. Different methods such as the ...
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 ...
Geomechanical Modelling of Railroad Ballast: A Review
(
Springer
, 2019 , Article)
Traditional ballasted tracks have been used intensively around the world with ballast as the main material for tracks. Ballast has a significant contribution to the track alignment, stability and sustainability. After ...
Effect of vehicle safety recalls on the perception towards other vehicles from the same country of origin
(
Periodical Offices of Chang- an University
, 2019 , Article)
A vehicle safety recall significantly impacts the demand for these specific manufacturer vehicles. The effect of this recall on the other manufacturers from the same country of origin (COO) that are not involved in the ...
Numerical Evaluation of Dynamic Response by Using Modified Newmark’s Method
(
Jordan University of Science and Technology
, 2019 , Article)
It is well known that the Newmark’s method is considered one of the most popular methods for structural
dynamic analysis. In this study, starting from the basic Newmark’s method, a new accurate method is
investigated and ...
Organically modified nanoclay filled thin-film nanocomposite membranes for reverse osmosis application
(
MDPI AG
, 2019 , Article)
This study validates, for the first time, the effectiveness of two nanoclays, that is, cloisite (CS)-15A and montmorillonite (MNT) at the polyamide (PA) active layer in the reverse osmosis (RO) membrane. Cloisite-15A is ...