Zobrazeno 1 - 10
of 98
pro vyhledávání: '"Masoud monjezi"'
Publikováno v:
International Journal of Mining and Geo-Engineering, Vol 58, Iss 1, Pp 59-67 (2024)
Long-term production planning for open-pit mines is recognised as one of the vital decision-making issues in open-pit mining operations. In addition, the ore grade is one of the most significant sources of uncertainty in a mining operation, as it cla
Externí odkaz:
https://doaj.org/article/f6e56e6837054338a8feef43f67f4436
Publikováno v:
Journal of Soft Computing in Civil Engineering, Vol 7, Iss 2, Pp 138-154 (2023)
As massive tunneling projects become more and more popular, predicting the performance of Tunnel Boring Machine (TBM) has been a problem that arose recently. A TBM is a modern piece of machinery that is specially assembled to excavate a tunnel more e
Externí odkaz:
https://doaj.org/article/31195640116a4b3f8faafef5cbc4bf14
Publikováno v:
AIMS Geosciences, Vol 9, Iss 1, Pp 16-33 (2023)
The blasting operation is an integral part of mines, and it is still being used as the most economical tool to fragment and displace rock mass. Appropriate blast optimization alleviates undesirable side effects, such as ground vibration, air blasts a
Externí odkaz:
https://doaj.org/article/894eb46fdbaf45b6be68abf6b9f6a2b7
Publikováno v:
روش شناسی علوم انسانی, Vol 28, Iss 111, Pp 79-100 (2022)
Virtual social networks play a very important role in social change, especially changes in the structural and emotional relationships of the family. But predicting these changes is very important today. But what method can be used to predict structur
Externí odkaz:
https://doaj.org/article/146aaeabf56d4127832f739be858295b
Publikováno v:
Frontiers in Public Health, Vol 11 (2023)
Pillar stability is an important condition for safe work in room-and-pillar mines. The instability of pillars will lead to large-scale collapse hazards, and the accurate estimation of induced stresses at different positions in the pillar is helpful f
Externí odkaz:
https://doaj.org/article/e81a0574f833453ca6717013071bfd5c
Publikováno v:
مجله مدل سازی در مهندسی, Vol 17, Iss 56, Pp 169-190 (2019)
In open pit mines the loaders and hauls choice , allocation and dispatching of trucks is one of the most important and complicated operational processes. That’s optimization results in great thrifts. For the analysis of this type of examples, simul
Externí odkaz:
https://doaj.org/article/66e59d5e3d4f46d3a4f28bab88764313
Autor:
Diyuan Li, Mohammad Reza Moghaddam, Masoud Monjezi, Danial Jahed Armaghani, Amirhossein Mehrdanesh
Publikováno v:
Applied Sciences, Vol 10, Iss 7, p 2364 (2020)
Iron is one of the most applicable metals in the world. The global price of iron ore is determined based on demand and supply. There are numerous parameters (e.g., price of steel, steel production, oil price, gold price, interest rate, inflation rate
Externí odkaz:
https://doaj.org/article/24096915582d4fa79c4bf797d45ee38c
Publikováno v:
مجله مدل سازی در مهندسی, Vol 12, Iss 39, Pp 99-110 (2015)
Fleet selection in open-pit mines is of vital importance. Inappropriate selection of fleet can be influential on the project economics in two ways failure in achieving production objectives and increase the attributed costs due to increase in the shi
Externí odkaz:
https://doaj.org/article/fac902144eb44d66806346e2653135c8
Publikováno v:
International Journal of Mining and Geo-Engineering, Vol 47, Iss 1, Pp 51-59 (2013)
Cost reduction is one of the methods applied for improving the productivity of organizations. In productivity literature, particularly in nonparametric methods, cost reduction related methods are regarded as input oriented models. This paper presents
Externí odkaz:
https://doaj.org/article/7585b89383e1439fbfaf012a71820aa1
Publikováno v:
Natural Resources Research. 31:3017-3039
Backbreak (BB) is one of the serious adverse blasting consequences in open-pit mines, because it frequently reduces economic benefits and seriously affects the safety of mines. Therefore, rapid and accurate prediction of BB is of great significance t