Development of stress concentrators design at directional splitting of gypsum rocks with the help of non-explosive destructive mixtures
About authors
- 1 — Moscow Geological Prospecting University
- 2 — Moscow Geological Prospecting University
- 3 — Moscow Geological Prospecting University
Abstract
The problem of selecting the most effective device for creating concentrating stresses on the borehole contour when using non-explosive destructive mixtures (NDM), allowing to create a main crack between contour boreholes in a row and to save the roof of the chamber from groundwater breakthrough into the excavated space, is considered. Laboratory studies carried out on samples of gypsum powder monolith and natural gypsum blocks of an underground mine confirmed the theoretical data on the effectiveness of using twin metal inserts for directional fracturing of gypsum rocks using NDM.
Область исследования:
(Archived) Seismic safety, reduction of risks and mitigation of the consequences of natural and man-made disasters
Similar articles
Using methods of hydrological and environmental expert examination for differentiation of water tax rates
2005 V. V. Dmitriev, V. L. Trushkevskii, M. A. Nevskaya, Yu. V. Listratenko
Technologies of reduction of ecological danger of technogenic formations of mountain-metallurgical genesis
2005 M. A. Pashkevich, T. A. Petrova
Research of stability of pyrite of crystalline shales of Lebedinsky deposit and its influence on processes of hardening of binder
2005 V. K. Kokunko
Methodology of definition of optimum depth of processing of mineral wastes arising at development of deposits of strategically important mineral raw materials
2005 A. E. Vorobev
Development of technologies for production of sorbents for radionuclide extraction from spent nuclear fuel and methods of radiochemical analysis and decontamination of liquid radioactive waste
2005 N. D. Betenekov, A. V. Voronina, E. I. Denisov, M. L. Zelenskaya, E. S. Kudymov, E. V. Nogovitsina, N. N. Chopko