RMZ – MATERIALI IN GEOOKOLJE

.6670.05=0.35k1,05+D avet( s3≥ Kt ⋅lg R,c410 t D ave ( s)3≥ Kt ⋅lg R,cShemetov, P. A., Bibik, I. P.6 0,43.72 ⋅10⋅ Qc+ 0.65)( 0.5 6 − 0,4ing to 3.72 open ⋅10flame ⋅ Q0.016m)U =1.75U 3emergence with in diameters of blasthole charge, DR –0.01 = Ah + qR ⋅ Cp⋅ ρoutputting1.75R ⋅the Csignal from sensors to wind drift of blasted rock fragments top⋅ ρstaff evacuation audio signal (alarm si-and beacons) should be installed W locity (m/s).leeward side, DR = 5 V; V - wind ve-brens1W0in Wrooms for preparation of oxidizing − ≥ F1W0and −oil solutions, ≥ F packaging, packingV1V0Comparative calculation of maximumandV1cartridgingV0equipment in addition range of blasted rock movement demonstratesthat range of rock movementto fire-control warning system. The developedcomprehensive safety opera-3as ⎡⎛per V the developed ⎤4/340⎞ ⎛ V ⎞ methodology4/340tion system 3 ⎡made ⎛ V it possible to ⎤ σensuresubject ⎢⎜⎟to use ⎜ of ⎟р= − ⋅ К − stemming ⎥ and wind0⎞ ⎛ V0⎞safe σ production ⎢8 ⎢of EBE at the plant and drift ⎣⎝V1is ⎠lower ⎝ V1⎥⎜⎟⎜⎟р= − ⋅ К − ⎥respectively ⎠ ⎦ by 71.5 m8accordingly⎢⎣⎝ V1reduce ⎠ the ⎝ V1existing ⎠ ⎥⎦risk and 46.5 m. Change in routine of bulklevel of the plant from 6.9 points σ to 4.0 blasting in Muruntau deep open pit has1 + σ 2 + σ3points.σmade it possible to enhance effectivenessand safety of blasting operations,1 + σ 2 + σ3ЕIn view Е of the fact that parameters of to reduce downtime of mining transport{[ equipment 1+( 1−2μ)⋅and ε]annual −1}expendi-8/3formula for calculation of range of 38/3rock movement 3 {[ 1+during ( 1−2μ)explosion ⋅ ε]σ− р 1=}− ⋅ К ⋅of tures for blasting operations by USDblastholeσ 8 [ ( ) ] 4р = − ⋅chargesК ⋅1+1−2μ⋅ ε8 at open mining operations,as set forth in effective “Unified105 thousand.[ 1+( 1−2μ)⋅ ε] 4Safety Regulations For Blasting Operations”U ⋅ С р ρU ⋅of Сσ =1992 р ρedition, are relative Conclusionσ =qand nondimensional q values, substantiationqof predictive assessment of blasting,deg operation ree;conducted in proximity 12,5theoretical ⋅СрThus, there have been8/3determined⋅ [ 1+( generalization 1−2μ)⋅εo] −and 1 ⋅ solu-} ⋅( 1+[ of μ)1+scientific ( 1−2μ)⋅εproblem 41+μto γU = 8/3mining 12,5equipment ⋅Сand engineeringр⋅{ [ 1+( 1−2μ)⋅εo] −1tion ] ⋅( 1− of µ ) determinationof regularities of explosiveUofacilitieso=under conditions of 4[ 1+( 1−2μ)⋅εdeepo] ⋅( 1− µ )open pits in terms of damaging action rupture and substantiation of DBO efficient0.228 parameters [ ( suitableof c the blasted rock fragments has been2.281380⋅Q⋅ 1+1−2μ)⋅ε] for the rocko⎛1−µconducted: 0.228 R = 2.280.57to be broken in deep open 0.57 pits ⋅⎜that is, m 1380⋅Q⋅[ 1+( 1−2μ)⋅εo] 0.856 ⎛0.2861−µ ⎞3R0=R mov× K stem+ DR (33) C of ρ great {[ 1+economic ( 1−2μ)⋅εimportance ] }8 / 1o−1and ⎝ + µp ⋅⎜⎟ensures⎝1+reducing0.856 0.2863 0.57where C R 0– maximum {[ 1+( 1−2μ range ) ⋅ε] of rock }8 /o−1µpρ⎠ expenditures for blastingoperations, increasing their effec-movement; R MOV- predictive assessmentof bastσ maximum range of rock Σmove-ment; Σ2( Bn+ КPstem( Bn+ Pntiveness ) subject to application of EBEt= 6,51hr n) - coefficient of stemming with controlled energy using inexpensiveingredients manufactured in thevalue σ = 6,5ninfluence tn on range of rock movement,К stem-1,8= 1/(0.8 + 0.002 L STEM); Republic of Uzbekistan, minimizationof seismic load of blasting on-1,8L STEM- length of stemming expressedthe+)0.4sin2α6m)tg α + C3f51Kσ comуe, m1.13Hde,π ⋅γ− 2q⋅ ctgαbastσt2 − +hrσt{ } ( )⎞⎟⎠0.57− ( 1.5...5.0) d adhole дRMZ-M&G 2012, 59