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Job No. 123116-DOO Page 8 <br /> Client RMR Aggregates,Inc. Date 11/27/2023 <br /> Project Mid Continent Mine Designed By KRF <br /> Subject Active Slope Stabilization Checked By BZ <br /> Calculated driving force,RocPlane: F := 8414.41-ptf <br /> Calculated existing normal force,RocPlane: ,= 10902.77 plf <br /> Calculated existing water force,RocPlane: mAVOU,;= 190.27.plf <br /> Upper face angle,KUE: ,= 28-deg <br /> Failure plane angle,KUE: = 30-deg <br /> Total height,RocPfane: H:= 16.463•ft <br /> Upper face width,RocPlane: = 21.559-ft <br /> tension crack length,RocPlane: tom— 2.22•ft <br /> Joint cohesion,KUE: �= 40 psf <br /> Joint friction angle,KUE: ;= 25-deg <br /> Anchor inclination: — 45•deg <br /> r face g�1:len _ up <br /> Upper =24.42 ft <br /> cos(aup) <br /> Required tieback load: ZWOO,;.= 6-1-k1f Iterative to <br /> achieve FS <br /> per slope length <br /> (H—tcr) <br /> Area of sliding plane per Knear foot ,A„,,,'_ =28.49 ft <br /> sin(vfp) <br />