Multidisciplinary Journal of Science and Technology

METHODS FOR INCREASING HOLE DEPTH AT A CONSTANT MINING SECTION

O.SH. Yormatov

3 d -20KI group students of the Almalyk branch of the Tashkent State Technical University, Almalyk, Uzbekistan.

U.T. Toshtemirov

doctor of philosophy in technical sciences, Almalyk branch of the Tashkent State Technical University, Almalyk, Uzbekistan.

##semicolon## cut, carrying out, blasting , hole, workings, well, explosion, hole utilization rate.

सार

In the world, most of the work in coal and ore deposits is carried out by drilling and blasting. In the practice of mining, practically the only method of crushing rocks is the method of blasthole and borehole charges, which should be given special attention to increase the efficiency of blasting operations.

##submission.citations##

Masaev Yu.A. _ Investigation of the regularities of pressure pulse formation in the charging cavity - Yekaterinburg: Izvestiya vuzov . Mining Journal, 2015, No. 1. - pp. 93-101.

Lykhin P. A. Mechanization and organization of mining operations. M., "Nedra", 1968.