Laserfiche WebLink
Slope Stability Scenario 1 <br />Slope Stability Scenario 2 <br />Slope Stability <br />Scenario 3 <br />F <br />,w�' <br />Huang table standards for all material. <br />No cohesion in backfill <br />No cohesion in backfill <br />�W��G °® <br />� <br />0 <br />Fully p ( dry t g) <br />Full compacted backfill 95 %ofd density from Huang) <br />Failure Circle <br />Fully compacted backfill (95% of dry density from Huang) <br />Lightly compacted backfill <br />g y p <br />75% of d density rom Huang) <br />( dry r g) <br />p Failure Circle <br />/I <br />} <br />$ j <br />`m �'' *'° '' <br />120,130 <br />7 <br />130,130 <br />/ FS = 1.77 <br />/ II <br />aFF <br />1' r <br />R 104 <br />1120 Circle <br />R=110 <br />„�,,,.�� -n <br />�'9iR�}� <br />FS= 1.98 <br />R 95 <br />03 <br />I <br />/ <br />/ <br />/ I <br />/ <br />I <br />I <br />/ <br />/ <br />I <br />/ <br />/ <br />I <br />0,55 ,55 <br />I <br />I <br />0,55 ,55 <br />I <br />I <br />III <br />0,55 <br />,55 <br />I <br />I <br />0,4 60 45 <br />Antic ated Water Level 200,45 <br />0,4 80,45 <br />I Anti ated Water Level <br />200,45 <br />0,4 <br />8045 <br />86.4 <br />An c aced Water Level <br />I <br />200,45 <br />86,4 <br />86,4 I <br />110,35 <br />Soil 1 <br />Type material <br />I <br />Soil 2 <br />Soil 1 110,35 <br />GP type material <br />I <br />I Soil 2 <br />Sort <br />GP type material <br />110,35 <br />I <br />Soil 2 <br />Density 110 pcf <br />De <br />Cohesion = 0 <br />SM type material <br />108 <br />Density 110 pcf <br />Cohesion = 0 <br />SM type material <br />Density 108 pcf <br />D <br />Density 110 pcf <br />Cohesion = 0 <br />SM <br />I type material <br />Density 86 <br />Angle of Repose = 37° <br />Density pcf <br />Cohesion = 0.21 (Saturated) <br />An le of Repose = 37° <br />9 P <br />Cohesion = 0.00 (Saturated) <br />Angle of Repose = 34° <br />Angle <br />g e of Repose = 37° <br />y pcf <br />Cohesion = 0.00 (Saturated) <br />Angle of Repose = 34° <br />Angle of Repose = 34° <br />162, 250,5 <br />162, <br />250,5 <br />162, 1 f U,b <br />50,5 <br />0,0 <br />0 <br />,0 <br />0, <br />Notes: Dimensions for slopes are from permit text. <br />50 foot deep excavation in an estimated 55 foo deep deposit. <br />Mining slopes 3H:1V to two feet <br />Revisions <br />BY <br />DATE <br />DES: BL <br />DATE <br />DRN: BL <br />below the anticipated waterline, then 2H:1V to the pit bottom; Reclaimed slopes 3H:1V to ten feet below anticipated waterline, then 2H-1V to the <br />03/05/14 <br />Figure GS -2 - Slope Stability <br />Scenarios <br />lake bottom. Topsoil is ignored in this analysis. <br />Greg Lewickl <br />And Associates <br />Tomichi <br />Pit <br />CHK: GL <br />SCALE <br />AS SHOWN <br />11541 Warrinigton Court <br />Phone (303)- 346 -5196 <br />Gunnison Valley <br />Properties <br />APPD: GL <br />Parker, CO USA 80138 <br />E -Mail - info @lewicki.biz <br />