| Bibliographic description |
Selyukov A. V. Definition of technical boundary of none transport working area with solid cross system of opencast mining of coal deposits // Transbaikal State University Journal, 2017, vol. 23, no. 2, pp. 44-52. |
| Annotation |
The article presents a study on the feasibility of open development of inclined and steeply dipping coal seams at solid cross system of none transport technology way to move rocks from bottom-hole area in the inner dump using draglines. The use of this method both in production and design practice is constrained by lack of methodological base. In the future, with the development of new coal mines in Kuzbass solid cross development systems, which have several advantages in comparison with use of currently longitudinal are supposed to be used. It is primarily the distance reduction of transportation of overburden to the dumps and reduction of space, occupied by external dumps. With cross development systems it is possible to use none transport technology for handling rocks directly into the depleted layer. However, the wide projecting of cross-development systems including none transport technology for coal deposits in Kemerovo region is hampered by inadequate theoretical base. There are a few academic studies of issues related to the substantiation of parameters of none transport schemes of excavation and choice of excavation and dump equipment. In the proposed article the author considers the issues connected with choosing the equipment and setting the height of the career fields that can work according to none transport technology. In the proposed methodology the author takes into account the basic influencing factors: technological parameters of dragline, construction dump area and coal-bearing suite. Using the proposed method and constructed graphic dependences it is possible to solve the problem of how to choice a model of dragline at a known height of the bottomhole zone, and the inverse problem. The obtained dependences can be used in the design practice and production
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| References |
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