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IPC

F42D3/04(2006-01-01)

(21) (22)

Application

2012124484/03, 2012-06-14

(24)

Start date

2012-06-14

(22)

Actual filing date

2012-06-14

(45)

Published

2013-11-20

(72)

Inventor

Dugartsyrenov Arkadij VladimirovichKim Igor' TikhonovichKim Sergej Igorevich

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Gornyj Universitet"

METHOD OF EXPLODING DIFFERENT-STRENGTH ROCKS Russian patent published in 2013 - IPC F42D3/04

Abstract RU 2499222 C1

FIELD: mining.

SUBSTANCE: proposed method comprises drilling of vertical wells and reaming them inside the outline of soli inclusions at appropriate cross points. Note here that diameter of well reamed sections $d_{0}^{i n c}$ is taken with allowance for diameter of nonreamed wells $d_{0}^{b},$ ultimate strength $σ_{u l}^{i n c}$ and $σ_{u l}^{b}$ and Poisson's ratios ν^inc and ν^b, modulus of elasticity E^inc and E^b, porosity "П"_inc and "П"_b, solid inclusions and bearing strata, respectively, isentropic curve of detonation products γ₂, parameter of adiabatic curve ξ, and pressure of detonation products at Chapman-Jouguet point P₀ of used industrial explosive.

EFFECT: efficient and uniform fracturing.

1 tbl

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RU 2 499 222 C1

Authors

Dugartsyrenov Arkadij Vladimirovich

Kim Igor' Tikhonovich

Kim Sergej Igorevich

Dates

2013-11-20—Published

2012-06-14—Filed