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.c l• <br /> Z33. DOWNSLOPE WIDTH <br /> 1. <br /> 1. If landslope hs-0% �more,subtract rock layer width from <br /> adsorption width to obtain minimum downslope dike toe <br /> a te.� ft- 10 ft= ' _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� .feet <br /> b. Multiply rock layer width by landslope i>tet~t Celrel• <br /> to determine drop in elevation; tees R• .a <br /> Slope Difference s.D'ralea t..'c <br /> b. <br /> /o x)_%+100=3_feet S1•p:Oifi.ni,�t_ t <br /> UpS10De WIAt11 <br /> c. Add depth of clean sand for separation (2a) 12,feet Roek Bad Width <br /> at upslope edge,depth o£rock layer,(1 foot) to depth.of in feet oown•lope Width <br /> cover(1 foot)to find the mound height at the upslope edge - 1te` <br /> of rock layer, <br /> ). *;L- ft+ ift+ ift= Z.', feet <br /> d. Enter'table with landslope and upslope dike ratio. <br /> Select dike multiplier of 3 <br /> e. Multiply dike multiplier by upslope mound height <br /> to find upslope dike width: -z../? x _I_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.Z ft+ .-.a, ft= 3,y feet <br /> g. Enter table with landslope and downslope dike ratio. <br /> ;Select dike multiplier of 4.2,5- <br /> h. <br /> .3Sh. Multiply dike multiplier by downslope mound height <br /> to get downslope dike width: 0.3S x -3.u =I-'�- 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 /> U•alOpa Wlotn',}'• :;a,:::. ;:'r 034 :: is#::::::`::;: <br /> j. Total mound width is the sum of -LL..feet <br /> upslope dike(G.2e)width plus rock <br /> .:.r....wr:.:w. <br /> layer width(D:2)plus a u•s •a W1etn a Wl•th <br /> 3: teat • <br /> downslope dike width(G.2i) 3 <br /> la, ft+_ o ft+ 17 ft= _feet <br /> .:.Y Vie•' :100-11.1.0•WI•tn ir`•• <br /> k. Total mound lengtf=is the sum of <br /> upslope dike width(G.2e)plus rock layer <br /> len D.3)plus*upslopie dike width (G.2e); r ' .° ::$>t:;:.•;.. •<':. : '::: <br /> ft+ 7S ft+)x ft= _feet <br /> V? <br /> Total Length <br /> Vownslope UPSIOPe <br /> 31 4:1 5:1 0 7:1 3:1 4:1 5:1 0 71 83 <br /> s.lope <br /> 0... <br /> 3.0 40_. _SA,_..„ i0 7.0. 3.0 40 5.0 610 7.0 8A <br /> 1 3A9 4.17 !36 6.31 7S3 2.91 3.85 4.76 SA6 654 7A1 <br /> 2 319 435 S56 M 8.14 2M 3.70 454 S36 6,14 690 <br /> 3 330 454 JIM 732 8.16 2.75 357 435 SAO 5.79 6:15 <br /> 4 3A1 476 6.25 7.09 9.72 2.68 3.45 4.17 4.114 SM 6.06 <br /> 5 3S3 SAO 467 157 10.77 2.61 333 400 4A2 5.19 S21 <br /> 6 3A6 5.26 7.14 938 12M 2.54 3.231 3.M 441 493 SA1 <br /> 7 3,110 556 Me 10.34 13.73 148 3.12 3.70 423 470 513 <br /> 8 335 SAO 833 1134 1591 142 3.03 337 4A5 449 4 S <br /> 9 411 6.25 9A9 13.04 18.92 236 1% 345 390 430 466 <br /> 10439 667 1010 15.00' 2333 231 2.86 337 335 412 4A4 <br /> it 4A• 7.14 11.11 17AS 30A3 236 17O 333 3A1 3.95 436 <br /> 12 4A9 7.0 1250 21A3 4395 121 170 3.12 149 3A0 4115 <br />