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DOWNSLOPE DIKE WIDTH <br /> i. If landslope is 3% or more,subtract rock layer width from <br /> adsorption width to obtain minimum downslope dike toe <br /> _Z,q_ft-/{eft=feet <br /> 2. Calculate Minimum mound size based on geometery: <br /> a. Determine depth of clean sand fill at upslope edge of rock <br /> layer: Separation Z_feet <br /> b. Multiply rock layer width by landslope i feetcover <br /> to determine drop in elevation; <br /> 1 feet Re 4141 <br /> Slope Difference S <br /> eparation feet <br /> x -3 %+ 100= feet Difference t <br /> U°Slo� W141tn <br /> c. Add depth of clean sand for separation (2a) Lfeat Ro0k 84141 Width <br /> at upslope edge,depth of rock layer(1 foot) to depth of .12 reel Downslo .Width <br /> cover(1 foot)to find the-mound height at the upslope edge <br /> of rock layer; <br /> -_ft+ lft+ lft= 3 feet <br /> d. Enter table with landslope and uslope dike ratio. <br /> Select dike multiplier of .-SY <br /> e. Multiply dike multiplier by upslope mound height <br /> to find upslope dike width: 3 3 <br /> x .9"7 = o'2 feet <br /> f. Add depth of clean sand for slope difference (2b)at <br /> downslope edge,to the mound height at the upslope edge <br /> of rock layer (20 to find the downslope height; <br /> _,Z-ft+-,3-ft=feet <br /> g. Enter table with landslope ano downslope dike ratio. <br /> Select dike multiplier of •S- <br /> h. Multiply dike multiplier by downslope mond height <br /> to get downslope dike width:!.,:?--x "X feet <br /> i. Compare the values of step G.1 and Step G.2h Select the <br /> greater of the two values as the downslope dike width; <br /> ./AS- feet <br /> v clop Wlotn <br /> j. Total mound width is the sum oft�••� . <br /> upslope dike(G.2e)width plus rock loco width <br /> layer width (D.2)plus uoslo whin J� lost <br /> y t..t 1`'g 'wl loath <br /> downslope dike width(G.2i); , e ` , at <br /> /O` ft+10 ft+�_ft =3.S�2feet <br /> k. Total mound length is the sum of °ownfo <br /> upslope dike width(G.2e)plus rock layer <br /> length(D.3)plus upslope dike wi4th (G.2e); <br /> / ft+ 'z ft + b' ft = 3 feet <br /> 93 Total Length <br /> Downslope Upslope <br /> 3:1 Lt 5:1 61 7:1 3:1 4:1 5:1 641 7:I 8:1 <br /> s�bpe <br /> 01 <br /> 10 5.0 6.0 7.0 3.0 4.0 5.0 6.0 7.0 en <br /> 1 3.09 117 5.26 634 753 2.91 3.65 4.76 5.66 654 7.11 <br /> 2 3.19 6.15 556 6.02 6.14 2.91 3.70 454 5.36 6.14 6.90 <br /> j_ 330 526 7328.66 2.75 JIX 4.35 5.00 5.79 6.655 <br /> 4 3A1 176 6.25 7.09 9.72 166 3.15 4.17 4.84 5.46 6.06 <br /> 5 353 5.00 6.67 657 10.77 161 333 4.OD 162 5.19 571 <br /> 6 3i6 516 7.14 936 1107 2.56 3.23 3.95 4.41 193 SAI <br /> 7 320 5.56 7.69 1034 13.73 2.48 3.12 3.70 123 170 5.13 <br /> 8 3.95 5.86 011 1154 15.91 2.42 3.03 357 1.05 4.19 126 <br /> 9 1.11 6.25 9.09 13.01 16.92 236 1% 3.15 3.90 430 4AS <br /> 10 429 6.67 10.0 15.00 2333 131 2.116 3.33 3.75 4.12 4A4 <br /> 11 4A8 7.14 11.11 17.65 30.43 2.26 2.70 3.23 3.61 3.95 426 <br /> 12 4A9 7.69 1250 21.43 43.75 124 170 3.12 3.49 3.00 40 64 <br />