Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Oraee, Kazem"'
Publikováno v:
In International Journal of Mining Science and Technology January 2016 26(1):65-70
Optimum cut-off grades determination in mining life affects production planning and ultimate pit limit and it is also important from social, economical and environmental aspects. Calculation of optimum cut-off grades has been less considered for mine
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=core_ac_uk__::c873e4ec09e4e6d0a76d8586ecea1e42
http://dspace.stir.ac.uk/bitstream/1893/21640/1/Archiwum-60-1-Rahimi.pdf
http://dspace.stir.ac.uk/bitstream/1893/21640/1/Archiwum-60-1-Rahimi.pdf
Group decision is usually made using ordinal and cardinal methods. Group decision making is used in this paper by applying binarycomparison, and two calculating methods were used including Calculation of λmax and comparable particular victor from an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=core_ac_uk__::625309eb83390891d624415ed9028b6d
http://dspace.stir.ac.uk/bitstream/1893/21772/1/1(2).pdf
http://dspace.stir.ac.uk/bitstream/1893/21772/1/1(2).pdf
Generally, the accurate determination of the stress in surrounding rock mass of underground miningarea has an important role in stability and ground control. In this paper stress redistribution around thelongwall face has been studied using passive s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=core_ac_uk__::0d460673ac59b3dac439c018753bfb4c
http://dspace.stir.ac.uk/bitstream/1893/6232/1/Archiwum-57-1.pdf
http://dspace.stir.ac.uk/bitstream/1893/6232/1/Archiwum-57-1.pdf
Falls of ground have historically been the main cause for fatalities in underground mines. Although recent advances in technology have reduced the number of such accidents, when failures occur they usually result in severe consequences. Risks of rock
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=core_ac_uk__::717c7dd39a69b514fab8b9d6659fb6ab
http://dspace.stir.ac.uk/bitstream/1893/8931/1/31-Oraee.pdf
http://dspace.stir.ac.uk/bitstream/1893/8931/1/31-Oraee.pdf
Autor:
Bakhtavar, Ezzeddin, Oraee, Kazem
In this paper, problem of short-term production planning for dimension stone quarries was mathematically modeled using a binary integer programming. The model includes an objective function, which was founded as the minimization of the costs due to t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=core_ac_uk__::43aad1d9a95cd73793c712a1ad3ac113
http://dspace.stir.ac.uk/bitstream/1893/8960/1/12-049.pdf
http://dspace.stir.ac.uk/bitstream/1893/8960/1/12-049.pdf
Autor:
Oraee, Kazem, Salehi, Bahram
Productivity and profitability have been previously noticeable subjects for classic economists. Nowadays, optimization and productivity are main challenges of industry and development. It is estimated that drinkable water consumption in Tehran city w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=core_ac_uk__::8d42cafa836f0d306edc8155662147d4
http://dspace.stir.ac.uk/bitstream/1893/21658/1/2-calculation-optimum-advance-rate.pdf
http://dspace.stir.ac.uk/bitstream/1893/21658/1/2-calculation-optimum-advance-rate.pdf
Considering the nature of open pit mines, harvest volume, it usually is required to remove a lot of waste to access to mineral planned grade. So, one of the most important part of open pit mines design, is waste dump site selection. Many factors are
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=core_ac_uk__::cfe3cd9f851e988d8ab76f88a83eb8b0
http://dspace.stir.ac.uk/bitstream/1893/21773/1/2-CAGE05_038_1580892.pdf
http://dspace.stir.ac.uk/bitstream/1893/21773/1/2-CAGE05_038_1580892.pdf
Most management decisions at all levels of the organization are as directly or indirectly depends on the circumstance of future. With regard to predict the future events in the process of decision-making plays a main role, therefore, forecasting is v
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=core_ac_uk__::f77870ffa60a8b70a7967c0733582ce5
http://dspace.stir.ac.uk/bitstream/1893/3075/1/11-049.pdf
http://dspace.stir.ac.uk/bitstream/1893/3075/1/11-049.pdf
Publikováno v:
Morgantown, West Virginia, U.S.A
29th International Conference on Ground Control in Mining (ICGCM)
29th International Conference on Ground Control in Mining (ICGCM)
Determination of the optimum design of chain pillars has a significant effect on the economics and safety of longwall operations. Most pillar design formulae are based on empirical methods and supplemented by local experience. They therefore lack ver
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::6f7cfa68c46721acd88af8caa82f022a
http://hdl.handle.net/10044/1/6178
http://hdl.handle.net/10044/1/6178