Zobrazeno 1 - 10
of 48
pro vyhledávání: '"R. Doostmohammadi"'
Publikováno v:
Journal of Mining Science. 57:557-568
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a939a5e3479e97f98577032fce26fbef
https://doi.org/10.1134/s1062739121040037
https://doi.org/10.1134/s1062739121040037
Publikováno v:
Journal of Mining Science. 53:367-376
The wind-induced dispersion of waste materials from mining operations results in the dust accumulation around mines, which in turn lead to negative environmental and economical impacts. In addition, the oxidation of sulphidic minerals extracted from
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1036b44102c7ceacafe46bd2b75a8c1d
https://doi.org/10.1134/s1062739117022248
https://doi.org/10.1134/s1062739117022248
Autor:
R. Doostmohammadi
Publikováno v:
Journal of Mining Science. 52:473-480
The support systems of excavations (such as underground mining openings and water tunnels) experience the time dependent induced pressure of the ground in vicinity of swellable rock. This research examines the interaction of swellable rock under diff
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b1de1e40ae3672c8e373cad33af57db4
https://doi.org/10.1134/s1062739116030670
https://doi.org/10.1134/s1062739116030670
Publikováno v:
Archives of Mining Sciences. 61:169-182
Properties of intact rock and discontinuities structures are the most important variables affecting mining operations. A comprehensive review of research concerning the direct effect of geotechnical parameters on changes of total exploitation cost in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::afa574dc92f7800b1fa7ba565627f649
https://doi.org/10.1515/amsc-2016-0013
https://doi.org/10.1515/amsc-2016-0013
Publikováno v:
Journal of Mining Science. 51:730-742
Blasting is one of the most important stages of open pit mines extraction which plays an essential role in changing the extraction costs. Mechanical parameters of rock mass as fixed parameters are results of effective blasting. In this paper, the cos
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c5df6ca35915b604fb54da29e4ac8600
https://doi.org/10.1134/s1062739115040103
https://doi.org/10.1134/s1062739115040103
Publikováno v:
Mining Science and Technology (China). 21:655-659
The swelling behavior of argillaceous rocks is a complex phenomenon and has been determined using a lot of indexes in the literature. Determining the required modeling indexes that need to be performed requires expensive tests and extensive time in d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::177c6b10f8a73c719d0b7566f385e2db
https://doi.org/10.1016/j.mstc.2011.10.007
https://doi.org/10.1016/j.mstc.2011.10.007
Autor:
R. Doostmohammadi, M. Massinaei
Publikováno v:
Minerals Engineering. 23:83-90
Previous studies in mechanical and column flotation cells have shown that bubble surface area flux (S b ) is an appropriate indicator of gas dispersion in a flotation cell which has a relatively strong correlation with flotation rate constant. In the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f15db532db3a5745ea3e6c5326e3058c
https://doi.org/10.1016/j.mineng.2009.10.005
https://doi.org/10.1016/j.mineng.2009.10.005
Publikováno v:
Applied Clay Science. 42:81-89
The swelling potential of rocks including clay minerals in arid and semi-arid regions, where the rocks experience completely dry to fully saturated conditions, is a complex problem. A method is lacking for determining the swell–shrink behavior of s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::398c2c15ec69bf74e6d6152a22652551
https://doi.org/10.1016/j.clay.2007.11.008
https://doi.org/10.1016/j.clay.2007.11.008
Publikováno v:
Mining Technology. 117:32-41
The focus of this research work is modelling time dependent swelling strain and pressure simultaneously in weak rock. Various swelling potential under different boundary conditions is considered. Free and semiconfined swelling strain and swelling pre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::15abe863e35d3a3acba41ae023295d24
https://doi.org/10.1179/174328608x343777
https://doi.org/10.1179/174328608x343777
Publikováno v:
Engineering Geology. 87:178-194
The stochastic nature of the cyclic swelling behavior of mudrock and its dependence on a large number of interdependent parameters was modeled using Time Delay Neural Networks (TDNNs). This method has facilitated predicting cyclic swelling pressure w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::52661415765ae9cdd8b2d8e00cc9dd80
https://doi.org/10.1016/j.enggeo.2006.07.001
https://doi.org/10.1016/j.enggeo.2006.07.001