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Quality evaluation and loss estimation at gravel quarries around the Qena Governorate, Egypt: A case study
(Dnipro University of Technology, 2021-06-30)
Purpose. In recent years in Egypt there has been a significant increase in the demand for building materials, particularly
gravel which is employed in buildings, the base layer for road construction, and other industries. ...
Risk criteria classification and the evaluation of blasting operations in open pit mines by using the FDANP method
(Dnipro University of Technology, 2021-06-30)
Purpose. Mineral projects are heavily influenced by risk factors. By providing evidence-based information and analysis to
make informed decisions about how to choose between options, a risk assessment can be made.
Methods. ...
Protecting buried pipelines using different shapes of geofoam blocks
(Dnipro University of Technology, 2021-06-30)
Purpose. This research presents experimental modeling and numerical analysis on reducing stress and protecting buried
pipelines using three arrangements techniques of expanded polystyrene (EPS) geofoam blocks: embankment, ...
Mathematical modelling of thermal stresses within the borehole walls in terms of plasma action
(Dnipro University of Technology, 2021-06-30)
Purpose is the development of a mathematical model to study and describe thermal processes within the borehole wall in
terms of plasma-based rock breaking.
Methods. The following has been applied: theoretical analysis ...
Studying the influence of the carbon dioxide injection period duration on the gas recovery factor during the gas condensate fields development under water drive
(Dnipro University of Technology, 2021-06-30)
Purpose. Studying the process of carbon dioxide injection at the boundary of the initial gas-water contact in order to slow
down the formation water inflow into producing reservoirs and increase the final hydrocarbon ...
Factors influencing the flooding process of former coal open-pits
(Dnipro University of Technology, 2021-06-30)
Purpose. This study aims to identify the main factors that influence the flooding process of the remaining gaps of open-pits
comprising essentially the velocity and duration of flooding, but also the stability of in situ ...