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DOWNSLOPE DIKE WIDTH <br /> i. If landslope is 3% or more,subtract rock layer width from <br /> adsorption widt <br /> h obtain minimum downslope dike toe <br /> / •/O ft= -�5-- feet <br /> 2. Calculate Minimum mound size based on geometery: <br /> a. Determine depth o flee sand fill at upslope edge of rock <br /> layer:Separation feet <br /> b. Multiply rock layer width by landslope I toot cover <br /> to determine drop in elevation; <br /> 1 feet Ro ad <br /> Slope Difference Seperstlon feet <br /> x--ik-/%+ 100= feet upsla wlatn Slope Difference t <br /> c. Add depth of clean sand for separation(2a) -- < lost Rola tied width <br /> at upslope edge,depth of rock layer(1 foot) to depth of -W-foot Down I e width <br /> cover(1 foot)to find the-mound height at the upslope edge - feet <br /> of rock layer; <br /> ft+ 1ft+ 1ft= .3• feet <br /> d. Enter table with landslope and upslope dike ratio. <br /> Select dike multiplier of 3, 4S- <br /> e. Multiply dike multiplier by upslope mound height <br /> to find upslope dike width:-a-4.S-x 9, _ 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(2c) to find the downslope height; <br /> 3�,-q-ft+ , '- ft=Zfeet <br /> g. Enter table with landslope and downslope dike ratio. <br /> Select dike multiplier of 4, 710 <br /> h. Multiply dike multiplier by downslope mound height <br /> to get downslope dike width:A-,-Ik x 3_R=1,6�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 /> feet <br /> vee a tn <br /> wle <br /> 1. Total mound width is the sum of lest <br /> upslope dike(G.2e)width plus rock d odd width <br /> layer width (D.2)plus = UosldDt wldth ' f°°t <br /> v UD81�•Width <br /> downslope dike width 20; o "" -[L <br /> !Z ft+ /0 ft+ / ft= 4 o feet <br /> k. Total mound length is the sum of D°" 'M10t" <br /> l.a <br /> upslope dike width(G.2e)plus rock layer <br /> length(D.3)plus upslope dike width (G.2e). <br /> /Z ft+ Z ft+ ft= _(e� feet <br /> 70 70 Toull.enetn <br /> ow opo UPSIOPe <br /> 3:t 4.1 5:1 6:1 7:1 3:1 41 S:1 &1 7:1 8:1 <br /> s rope <br /> 0 30 4.0 5.0 6.0 7.0 3.0 4.0 5.0 .6.0 7.0 80 <br /> 1 309 4.17 526 6.38 751 2.91 3.85 6.76 5.66 654 7A1 <br /> 2 3.19 4.15 556 6.828.14 2.83 3.70 4.54 5.36 414 6.90 <br /> 3 330 4S4 5.86 732 8.86 2.75 3.57 4.35 5.06 5.79 6AS <br /> 4 3A1 ,576 6.25 7.89 9.72 168 3.45 6.17 4.N 5.46 606 <br /> 5 353 5.00 467 857 10.77 2.61 311 400 4.67 5.19 571 <br /> 6 3A6 S26 7.14 938 12.07 2.56 3.73 3.85 461 4.93 SAI <br /> 7 3180 556 7.69 1034 13.73 2.68 3.12 3.70 423 4.70 5.13 <br /> 8 3.95 5.88 811 1154 15.912.42 3.01 357 405 4.49 408 <br /> 9 4.11 6.25 9.09 1304 18.92 2.36 194 US 3.90 430 4A5 <br /> 10 429 6.67 100 15.00 2333 131 186 317 3.75 4.12 4A4 <br /> 11 4A8 7.14 11.11 17.65 30.43 126 178 3.23 3.61 3.95 476 `A <br /> 12 4.69 7.69 1250 21.43 43.75 121 170 3.12 3.49 3.80 40 VY <br />