Medjanik V. Protection parameters substantiation of developments workings using combined system of flat seam development on the large depths

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0405U004040

Applicant for

Specialization

  • 05.15.02 - Підземна розробка родовищ корисних копалин

21-10-2005

Specialized Academic Board

Д 08.080.03

National Technical University Dnipro Polytechnic

Essay

Parameters of perfecting safety method of protection for repeated using development working by strips of variable rigidity while using combined system of flat seam development on the large depths are considered. On the basis of analysis of stress and strain conditions and natural researches rational parameters of strips and development working support have been determined. Results of these researches have been introduced in the mine «Progress» SHC «Torezantratsit». The economic benefit has made 105961 grn.

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