INVESTIGATION OF ADJACENT ROCK MASS DURING BLASTING IN OPEN PIT MINES

2017 ◽  
Vol 7 ◽  
pp. 228-234
Author(s):  
V.N. Kamyansky ◽  
Keyword(s):  
Rock Mass ◽  
Open Pit ◽  
Open Pit Mines ◽  
Adjacent Rock

scholarly journals Influence of dynamics of development of open mining on technological features of blasting breaking

2018 ◽  
Vol 56 ◽  
pp. 01001
Author(s):  
Sergey Zharikov ◽  
Vyacheslav Kutuev
Keyword(s):  
Energy Efficiency ◽  
Rock Mass ◽  
Traditional Approach ◽  
Open Pit ◽  
Resource Saving ◽  
Open Pit Mines ◽  
The Cost ◽  
Near Future ◽  
Technological Methods ◽  
Development Prospects

The paper desribes the results of the analysis of the drilling and blasting index at some large enterprises. The significant period of their work has been considered. The increase in the specific consumption of explosives by years has been shown and the reasons for this increase have been explained. The issue of the development prospects of the drilling and blasting complex in terms of reducing the cost of explosives, as well as some issues associated with the use of explosives, manufactured on site. It is suggested that in the near future the development of open mining will be associated with the acceleration of processes and a significant increase in their intensity, both in the development of new ones and in the refinement of existing large open-pit mines. In this regard, drilling and blasting operations are waiting for certain changes in both the mechanization of processes and the technological methods of production. An approach is proposed for improving energy efficiency and resource saving in the production of drilling and blasting operations, which consists in applying a horizontal cut along the bottom of the bench with blasting breaking of the rock mass. It has been previously shown that the use of this method of breaking can be quite effective in comparison with the traditional approach.

scholarly journals DEVELOPMENT OF DESIGN METHODS FOR DRILLING AND BLASTING OPERATIONS IN OPEN MINE WORKINGS USING GGIS MICROMINE

2019 ◽  
Vol 1 (1) ◽  
pp. 249-258
Author(s):  
Andrei Basargin ◽  
Valery Salnikov ◽  
Viktor Pisarev
Keyword(s):  
Rock Mass ◽  
High Intensity ◽  
Open Pit ◽  
Design Decisions ◽  
Well Placement ◽  
Open Pit Mines ◽  
Condi Tions ◽  
Additional Costs ◽  
Mine Workings

One of the effective ways of collecting information about the properties of the exploding ar-ray is the use of information obtained in the process of drilling wells. This approach is attractive be-cause it does not violate the existing technology of conducting work in a quarry and does not re-quire additional costs for conducting geological studies related to the determination of the physical and strength characteristics of the component rocks of the block. GGIS Micromine will allow automating the design of drilling and blasting operations while ensuring the well placement, taking into account geometry of the block, properties of rocks, and ra-tional distribution of well charges for the most effective crushing of the rock mass. Under the condi-tions of high intensity mining at the open pit mines of the Micromine GGIS, the design decisions are quick and multifaceted when performing drilling and blasting operations.

Mining technologies at Polyus Krasnoyarsk

2020 ◽  
pp. 30-33
Author(s):  
L. F. Skorik ◽  
◽  
V. A. Karpov ◽  
I. N. Timofeev ◽  
A. I. Ptashnik ◽  
...  
Keyword(s):  
Rock Mass ◽  
Slope Stability ◽  
Numerical Models ◽  
Stability Control ◽  
High Rate ◽  
Mine Safety ◽  
Open Pit ◽  
Wave Impact ◽  
Open Pit Mines ◽  
Research Activities

The article discusses mining efficiency and the related research activities at Polyus Krasnoyarsk. Olimpiada and Blagodat gold fields feature difficult geological, hydrological and geotechnical conditions. Sustainable mining at high rate and high output requires permanent scientific, engineering and design support and supervision. In this regard, the integrated and fruitful efforts are persistently undertaken to improve performance of drilling and blasting, including minimization of seismic and shock wave impact on rock mass beyond the perimeter blast holes, optimization of size grade composition of blasted rock pile, and determination of displacement vector of rocks in muck pile using appropriate instrumentation and software. Furthermore, modification and upgrading of drainage systems and slope stability control is always in process in Olimpiada open pit mines. Polyus Krasnoyarsk engages itself with refining of information on geomechanics and hydrogeology of gold ore bodies. The purpose of these activities is to determine and amend the parameters of ore body occurrence, morphology of faulting, rock contacts and folding structures in rock mass, physical and mechanical properties of rocks, as well as hydrogeological conditions, with updating of the numerical models. Such information at hand ensures mine safety and enables safe and economically efficient decision-making on spoil bank design to provide the required slope stability in open pit mines.

Slope Stability in Open Pit Mines in Clayey Rock Mass

2020 ◽  
Vol 56 (2) ◽  
pp. 196-202
Author(s):  
N. F. Nizametdinov ◽  
R. F. Nizametdinova ◽  
A. A. Nagibin ◽  
A. R. Estaeva
Keyword(s):  
Rock Mass ◽  
Slope Stability ◽  
Clayey Rock ◽  
Open Pit ◽  
Open Pit Mines
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