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Vol 57 Iss. 1
Pages:
56-58
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RUS
Article

Application of direct current for hardening of rocks in mining excavations

Authors:
A. G. Khutashvili
Date submitted:
1968-07-15
Date accepted:
1968-09-06
Date published:
1969-01-13

Abstract

Conducting mine workings in weak unstable rocks is difficult and requires the use of special methods-freezing of rocks, injection of fixing substances, dewatering. The greatest difficulties for mining operations are clay water-saturated rocks with weak filtration capacity, which cannot be hardened by most of the widespread methods. At present, mining in such conditions is carried out mainly with the use of freezing of rocks.

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References

  1. Gouska Z. V. Mining Operations in Floating Rocks. Ugletekhpzdat, 1958.
  2. Grigoriev O. N. Electrokinetic properties of capillary systems. PH of the AS USSR, 1956.
  3. Zhinkin G. N. Electrochemical consolidation of soils in construction. Stroyizdat, 1967.
  4. Zagoruiko L. II. Electrochemical consolidation of waterlogged loam during vertical mining. In the Proceedings of the Scientific and Technical Conference of Young Scientists of Ukraine, Section of Mining. Publishing house of the AS of the Ukr.SSR, 1957.
  5. Nasonov M. N. Electrochemical method of fixing water-bearing sands during sinking of the ventilation shaft of the Lin Si mine. In the collection: Sinking of Mine Workings in China. Ugletekhizdat, 1957.
  6. Shaft sinking through floats by means of electric compaction of rocks. Bulletin of Coal No. 9 (21), 1960.
  7. Stepanova E. V. Zlektroosushenne at sinking of a deep trench. In the collection: Soil consolidation № 50, NIIO and PS, 1962.
  8. Unkovskaya N. F. Electroosmotic dewatering of rocks with poor water retention at open mining operations. Mining. J. No. 2, 1961.
  9. Khutashvili A. G., Novozhilov V. N. Experience of Electrochemical Strengthening of Clayey Rocks at Quarries of Tikhvin Alumina Plant. Journal of Mining Institute, vol. LII, iss. 1, 1965.
  10. Khutashvili A. G. Investigation of electrochemical hardening of clayey rocks in conditions of Boksitogorsk quarries. Author's abstract of candidate dissertation, LMI, 1967.
  11. Schultz I., Vrbitsky B., Neszlega K. Experimental electroosmotic consolidation of the pulverized soil of a ventilation drift in a mine, Ugol, No. 11, 1959.

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