RU2014133913A - METHOD FOR DETERMINING MECHANICAL PARAMETERS OF MATERIAL ENVIRONMENT IN ARRAY - Google Patents

Abstract

1. The method for determining the mechanical parameters of the material medium, which consists in determining physical parameters of the medium strength of the undisturbed structure at a given depth h of the array — the angle of internal friction φ and specific adhesion — c, the coefficient of the total lateral pressure of the medium is determined by the dependence ζ = p / p = p / p, where p is the vertical pressure at depth h, the coefficient of relative transverse deformation of the medium is determined by the dependence ν = ε / ε = ε / ε = ζ / (1 + ζ), where ε = ε and ε is the relative deformation of the medium at the point array in horizontal and vertical in different directions, characterized in that at a given depth h of the material array, the specific gravity of the γ-structured medium is determined and its lateral horizontal gravitational pressure is calculated as p = p = γh, and the coefficient of the total lateral pressure of the structured medium is determined by the dependence for p = p + cctgφ, where gravitational pressure p = p = (γh-c) ctgφ. 2. The method according to claim 1, characterized in that for an array of a material medium with a disturbed structure from dynamic or static impact, the specific gravity of the medium of the disturbed structure is determined, the lateral pressure p = p = γh, and the coefficient of the total lateral pressure is determined by the dependence, where φ = arcsin [2sinφ / (1 + sinφ)] - φ, c = c [2-tgφ / tgφ] - respectively, the angle of internal friction and the specific adhesion of the medium with a disturbed structure at vertical pressure p = p + cctgφ.3. The method according to claim 1, characterized in that the atmospheric pressure is measured p or it is taken to be normal in value p = 1,033 kg / cm, in the walls of an open vertical working out in an array of structured medium, the coefficient of total lateral pressure is determined by the dependence. The method according to p. 1, characterized in that they measure atmospheric pressure or accept it

Claims (8)

1. A method for determining the mechanical parameters of the material medium, which consists in determining physical parameters of the medium strength of the undisturbed structure at a given depth h of the array — the angle φ _{p of} internal friction and the specific adhesion — c _p , the coefficient of the total lateral pressure of the medium is determined by the dependence ζ ₀ = p _x / p _z = p _y / p _z , where p _z is the vertical pressure at depth h, the coefficient of relative transverse deformation of the medium is determined by the dependence ν ₀ = ε _x / ε _z = ε _y / ε _z = ζ ₀ / (1 + ζ ₀ ), where ε _x = ε _y and ε _z is the relative deformation of the medium at the point array in horizontal and vertical directions, characterized in that at a given depth h of the material array, the specific gravity γ _{p of the} structured medium is determined and its lateral horizontal gravitational pressure is calculated as p _x = p _y = γ _p h and the coefficient of the total lateral pressure of the structured medium determined by dependence

at p _z = p _b + c _p ctgφ _p , where the gravitational pressure p _z = p _b = (γ _p hc _p ) ctgφ _p . 2. The method according to p. 1, characterized in that for an array of material environment with a broken structure from dynamic or static effects, determine the specific gravity of the environment of the broken structure

, lateral pressure p _x = p _y = γ _n h, and the coefficient of total lateral pressure is determined by the dependence

, where φ _n = arcsin [2sinφ _p / (1 + sin ² φ _p )] - φ _p , c _n = c _p [2-tgφ _n / tgφ _p ] - the angle of internal friction and the specific adhesion of the medium with the broken structure, respectively vertical pressure p _z = p _b + c _n ctgφ _n 3. The method according to p. 1, characterized in that the atmospheric pressure p _{atm is} measured or it is taken to be normal in value p _atm = 1,033 kg / cm ² , in the walls of an open vertical working out in an array of structured medium, the coefficient of total lateral pressure is determined by the dependence

. 4. The method according to p. 1, characterized in that the atmospheric pressure p _{atm is} measured or it is accepted to be normal in value p _atm = 1,033 kg / cm ² , in the walls of the open vertical working out in an array of medium with a disturbed structure, the coefficient of the total lateral pressure is determined by

, where φ _n = arcsin [2sinφ _p / (1 + sin ² φ _p )] - φ _p , c _n = c _p [2-tgφ _n / tgφ _p ] - respectively, the angle of internal friction and the specific adhesion of the medium with the broken structure, a γ _n = (p _b tgφ _n + c _n ) / h is the specific gravity of the medium with the broken structure. 5. The method of claim. 1, characterized by determining the proportion of the structured environment γ _p and the coefficient total relative transverse deformation structured medium in the array is calculated depending on

. 6. The method according to p. 1, characterized in that determine the specific gravity of the medium with a disturbed structure

, the coefficient of the total relative transverse deformation of a material medium with a disturbed structure with an angle of internal friction φ _n = arcsin [2sinφ _p / (1 + sin ² φ _p )] - φ _p and specific adhesion c _n = c _p [2-tgφ _n / tgφ _page ] calculated according to

. 7. The method according to p. 1, characterized in that the atmospheric pressure p _{atm is} measured or it is assumed to be normal in value p _atm = 1,033 kg / cm ² , its specific gravity γ _{p is} determined on the open side surface of the mine in the array of structured medium and the coefficient is calculated its total relative transverse strain according to

. 8. The method according to p. 1, characterized in that the atmospheric pressure p _{atm is} measured or it is assumed to be normal in value p _atm = 1,033 kg / cm ² , its specific gravity is determined in the walls of an open vertical mine in an array with a disturbed structure

and the coefficient of total relative transverse deformation according to

, where φ _n = arcsin [2sinφ _p / (1 + sin ² φ _p )] - φ _p , c _n = c _p [2-tgφ _n / tgφ _p ] - respectively, the angle of internal friction and the specific adhesion of the medium with the broken structure.