Abstract
Kemerovo region is one of the largest industrial regions of Russia, with a raw material specialization. The rapid growth of the coal industry in recent years has been greatly facilitated by the expansion and development of open pit mining for coal seams extraction, accompanied by an increase in the volumes of overburden and the height of the dumps. There are about 400 objects in the Russian Federation Government Register of Waste Disposal Facilities 80% of which are dumps. Approaches both to external dumping and to the technical stage of reclamation currently contribute to the growth of geomorphic system's instability. Thus, it is proposed to slightly change the approaches to external dumping: the essence consists in the formation of an external dump of overburden, which in future would represent a favorable landscape unit of a flat surface relief used for subsequent differently directed purposes.
Highlights
Sustainable development of Kuzbass (Kemerovo region, Western Siberia, Russia) depends both on economic growth and natural environment preservation [1,2]
Efficiency lies in the best combination of geomechanical, ecological and operational components of the area dump backfilling compared to the pyramidal technology which is common for Kuzbass
The option of a step-by-step layout of the low-profile dump gives us the opportunity to start backfilling from the most remote point of the projected dump and to reduce the transportation length as the pit is deepened, thereby maintaining a balance and helping to regulate the technical and economic performance over the quarry life. This cannot be achieved by backfilling a pyramid dump
Summary
Sustainable development of Kuzbass (Kemerovo region, Western Siberia, Russia) depends both on economic growth and natural environment preservation [1,2]. This problem is quite typical for old mining regions of Europe and Russia [3,4,5,6]. Despite implicating new equipment on Kuzbass open pits [7] and technological development of surface mining in the region [8], the practice of open pit coal mining in Kemerovo region shows that the backfilling of overburden dumps by the methods of 1970-1980 sharply reduces the ecological efficiency and raises material and financial costs of coal extraction [9,10]. The dump should be located taking into account the surface relief and factors (water resources, geological conditions, etc.) affecting the convenience and the possibility of overburden disposal in the place of its perspective storage
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