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Date submitted1989-09-25
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Date accepted1989-11-09
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Date published1990-12-30
To the 100th anniversary of the birth of Vladimir Dmitrievich Slesarev (1890-1954)
- Authors:
- A. A. Borisov
Vladimir D. Slesarev occupies an honorable place among such glorious figures of mining science as Honored Professor B.I.Bokii, Academician A.A.Skochinsky, Professor M.M.Protodyakonov and others.
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Date submitted1989-09-01
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Date accepted1989-11-12
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Date published1990-12-30
Prediction of bottom-hole movement based on the data of the early warning system of roof collapses
- Authors:
- A. A. Borisov
In underground mine workings (longwall faces, drifts, conjugates, etc.) and natural cavities (caves, grottos, etc.) roof collapses occur in different geologic conditions.
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Date submitted1989-09-19
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Date accepted1989-11-03
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Date published1990-12-30
To the question of estimation of the condition of the underworked rocks of the water protection strata at potash deposits
- Authors:
- N. M. Proskuryakov
- O. V. Kovalev
A specific feature of potash mines is the need to maintain the continuity of the water protection zone (WPZ) rocks, which are being mined during mining operations.
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Date submitted1989-09-30
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Date accepted1989-11-10
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Date published1990-12-30
Manifestations of rock pressure when using flexible technology for mining permafrost formations
- Authors:
- S. A. Tolstunov
- Yu. A. Modestov
Mining of alluvial deposits by underground mining in permafrost conditions is carried out by chamber and chamber-lava systems of development.
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Date submitted1989-09-02
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Date accepted1989-11-12
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Date published1990-12-30
Investigation of rock pressure manifestation by the method of models in conditions of pneumatic fasteners application
- Authors:
- G. V. Ovcharenko
The issues of manifestation of rock pressure and the interaction of the roof with the side rocks in the cleaning faces of thin and very thin coal seams at unmanned excavation are complex and poorly studied.
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Date submitted1989-09-11
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Date accepted1989-11-26
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Date published1990-12-30
Determination of parameters of explosion-hydro treatment of hard-to-collapse roof of hollow coal seams
At present, the share of coal seams in the mines of the Soviet Union with hard-to-collapse roofs is quite high.
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Date submitted1989-09-20
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Date accepted1989-11-06
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Date published1990-12-30
Peculiarities of aimless development of converging seams
- Authors:
- P. N. Dmitriev
Mining of coal seams in the conditions of the mine "Raspadskaya" is characterized by a number of significant features that must be taken into account when planning and conducting cleaning works: simultaneous mining of a suite of six converging seams of excavated thickness from 1.8 to 4.5 m, a relatively shallow depth of cleaning works, regular order of cutting excavation pillars.
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Date submitted1989-09-06
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Date accepted1989-11-10
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Date published1990-12-30
Estimation of expediency of using advance overworking as a method of preventing dumps in the faces of overworked seams.
- Authors:
- V. P. Zubov
Advance mining of protective seams is widely known nowadays as a regional preventive method of preventing mining strikes and sudden releases of coal and gas.
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Date submitted1989-09-01
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Date accepted1989-11-01
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Date published1990-12-30
Deformation of oil and gas reservoir cavities located in salt deposits at great depths
- Authors:
- V. P. Skripka
- V. L. Fedulin
- S. M. Mikhailov
Convergence rates of oil and gas reservoir cavities formed at great depths in rock salt by leaching or high explosions vary widely from tenths to 2-3% of volume per year.
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Date submitted1989-09-15
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Date accepted1989-11-05
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Date published1990-12-30
Mine testing of rod supports at alluvial deposits of permafrost rocks
- Authors:
- S. A. Tolstunov
- A. V. Montikov
Development of placer deposits by underground mining in areas of permafrost is carried out in most cases by chamber-lava systems of development.
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Date submitted1989-09-12
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Date accepted1989-11-20
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Date published1990-12-30
Calculation of Extreme Values of Support Pressure in the Formation and Stresses in Heterogeneous Roof Rocks
- Authors:
- O. V. Kovalev
- V. G. Labazin
Actual problems of mining geomechanics are the tasks of control of the state of the massif at application of progressive systems of development.
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Date submitted1989-09-15
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Date accepted1989-11-24
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Date published1990-12-30
Maintaining the formation horizontal mine workings at the aimless mining of formations
- Authors:
- I. V. Dolgy
With increasing depth of work stresses in the intact massif increase in proportion to the depth of development, while the strength of the host rocks grows insignificantly.
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Date submitted1989-09-10
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Date accepted1989-11-29
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Date published1990-12-30
Influence of geomechanical factors on the condition of the roof of mine workings
- Authors:
- I. A. Simansky
- A. A. Starodubtsev
At development of gentle coal seams all visually observed manifestations of mountain pressure are considered on the basis of the combined hypothesis of plates and beams, which assumes the following mechanism of behavior of roof rocks.
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Date submitted1989-09-01
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Date accepted1989-11-15
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Date published1990-12-30
Investigation of the stability of ore and rock massifs around the high cleaning chambers during the development of steeply falling potash deposits
- Authors:
- A. M. Ryzhenkov
- A. A. Ivanov
The tendencies existing in the world practice of underground development of steeply falling deposits of potassium salts by chamber system, testify that one of the most perspective directions of creation of technology of future mining enterprises is reduction of irretrievable losses of a mineral in the subsoil at the expense of increase of chamber stocks of a block by change of its sizes, including increase of height of a storey, in a combination with filling of worked-out space.
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Date submitted1989-09-06
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Date accepted1989-11-16
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Date published1990-12-30
Prediction of mining and technical situation in the conditions of emission-hazardous formations
- Authors:
- A. G. Glikman
Sudden outbursts of coal and gas from the seam, as well as gas and rocks from the coal-bearing strata significantly complicate the conditions of mining and tunneling operations. At present, when the increase in the depth of mines is inevitable, improving the efficiency of predicting emissions and appropriate preventive measures becomes one of the most important tasks in the coal mining industry.
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Date submitted1989-09-25
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Date accepted1989-11-07
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Date published1990-12-30
Study of stratification of interbed rocks
- Authors:
- N. F. Dotsul
- I. V. Sivukhin
- S. A. Grafkin
The delamination of layered chamber roofs significantly reduces the bending stiffness of the layers, which leads to a significant increase in the deflections of the lower layers of the roof and the formation of limit zones.
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Date submitted1989-09-19
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Date accepted1989-11-15
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Date published1990-12-30
Influence of the order of formation working order on the productivity of cleaning faces
- Authors:
- V. S. Gutsalyuk
- A. V. Makarikhin
In the coal industry of the USSR, more than 70% of mines are developing coal seam formations.
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Date submitted1989-09-19
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Date accepted1989-11-22
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Date published1990-12-30
Study of the influence of the roof behavior on cleaning works in the conditions of the 60th Anniversary of the USSR mine of PA "Yuzhkuzbassugol"
- Authors:
- M. Yu. Pakhtusov
As the experience of mining operations on the sloping seams of coal mines shows, the increase in the strength properties of the rocks composing the roof, often causes increased pressure on the bottom-hole support.
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Date submitted1989-09-07
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Date accepted1989-11-05
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Date published1990-12-30
Methodology of selection of the method of preparation of coal seam strata strata preparation.
- Authors:
- P. V. Shipanov
At present, in the preparation of coal seams gently sloping formations, the most widespread are panel and floor methods of preparation. In 20% of cases for the preparation of seams with dip angles up to 10° is used floor method of preparation, in 46.6% - panel.
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Date submitted1989-09-06
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Date accepted1989-11-21
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Date published1990-12-30
Realization of the principle of technological sequence at mathematical modeling of geomechanical processes
- Authors:
- T. A. Kazakova
Ensuring the strength, reliability, cost-effectiveness of mining and technical systems requires comprehensive consideration of the current loads.
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Date submitted1989-09-10
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Date accepted1989-11-27
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Date published1990-12-30
Physical bases of the electrometric method of research of the process of deformation of a rock massif
- Authors:
- O. V. Sergeev
- E. A. Markina
- I. A. Livshits
As the world experience of studying the effect of pressure on the physical properties of rocks and the use of physical methods to study the geomechanical processes accompanying the underground mining of mineral deposits shows, electrical conductivity is one of the most sensitive to the mechanical state of rock properties.
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Date submitted1989-09-01
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Date accepted1989-11-13
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Date published1990-12-30
Control of the stress-strain state of the massif based on the results of radiometric sounding
- Authors:
- V. I. Kimkov
Increasing rates of underground mining bring among the most important problem of control of stresses acting in the array.
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Date submitted1989-09-05
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Date accepted1989-11-13
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Date published1990-12-30
Adaptability of new generations of mechanized fasteners during mining of heavy-roofed formations
At present, a significant number of mechanized complexes, divided conventionally into three generations, have been created and are being developed for the development of declivity strata.
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Date submitted1989-09-21
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Date accepted1989-11-23
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Date published1990-12-30
Application of V.Z.Vlasov's method in elastic-plastic approximation to the problems of mining geomechanics
- Authors:
- V. P. Tereshenko
Obviously, it will be appropriate to quote V.Z.Vlasov himself at the beginning of the work: "With regard to the refinement of calculations, it can be assumed that taking into account the elastic-plastic work of the foundation soil will allow us to approach the actual work of structures in the future".
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Date submitted1989-09-01
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Date accepted1989-11-19
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Date published1990-12-30
Mathematical modeling of stability of horizontal excavations at great depths
- Authors:
- T. Maykherchik
- A. Taidus
The analysis of a large number of mine measurements and laboratory studies shows that depending on the stress state and rheological properties in the vicinity of the mine workings three characteristic zones can occur.