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. . <br /> . , , J 4=k 2- <br /> , . , <br /> DOWNSLOPE DIKE WIDTH is,aGh We K 66 <br /> i. If landslope is 3% or more,subtract rock layer width from <br /> adsorption width to obtain minimum downslope dike toe <br /> _;__ft- ft= feet <br /> 2. Calculate Mi um mound size based on geometery: <br /> a. Determin: depth of clean sand fill at upslope edge of rock <br /> S 2.0 feet <br /> b. Multiply ock layer width by landslope , I toot Cover <br /> to dete '. e drop in elevation; <br /> I toot Ro •ed <br /> Slope Di ' •nce , Seperetlon teat IN <br /> x `1 %I - 100= i LI feet Slope Difference t <br /> Upttee w10tn <br /> c. Add dep of clean sand for separation(2a) 4 t••t nook eea Width <br /> at upslope -.ge,depth of rock layer(1 foot) to depth of JQ toet Dow slope Width <br /> cover(1 f..t)to find the mound height at the upslope edge 4.O feet <br /> of rock lay, ; <br /> _.4 S t+ ift+ ift=1.O O.feet - • <br /> d. Enter tabl: with landslope and upslope dike ratio. <br /> Select dikmultiplier of . <br /> e. Multiply •' e multiplier by upsl m� heigh <br /> to find up lope dike width: x feet <br /> f. Add depth of dean 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 dolyns ope height; <br /> 4' Q b ft+ . `7� ft= 1-1. f feet <br /> g. Enter tabl with landslope and downslope dike ratio. <br /> Select dike multiplier of 4.Z . <br /> h. Multiply ' e multiplier by downslope mound height <br /> to get do slope dike width:4.')�x e[.4. = feet <br /> i. Compare a values of step G.1 and Step G.2h Select the <br /> greater of a two values as the downslope dike width; .SS'i <br /> 2I feet <br /> UB.I.e.WIOtn <br /> j. Total mou d width is the sum of <br /> upslope d' a(G.2e)width plus rock •. <br /> layer wid (D.2)plus a UosloDS wiutn . uosio..dlatn <br /> downslo dike width(G.2i); # "" "" <br /> /l.S ft+J fY ft+Jv'2tft--=.5-472 feet 4 ::..: <br /> k. Total mo d length is the sum of :::;:,,:::,:::.:.:::::::;::;,:i::..:•:;::::::;,:..;:::...i:.-: <br /> 00wnf1Op'M10t" <br /> t.a <br /> upslope di width(G.2e)plus rock layer <br /> length(D.3)plus upslope dike width (G.2e); <br /> //5" ft+ 3 Z ft+ //,s-7;i0 <br /> ft �feet t L. J <br /> / ;i 7�1.ngtn <br /> Uownslope Upslope <br /> 3:1 MI 5:1 6:1 7:1 3:1 6:1 5:1 6:1 7:1 8:1 <br /> 11 slope <br /> 0 3.0 4.0 5.0 6.0 7.0 3.0 4.0 5.0 •6.0 7.0 8.0 <br /> 1 3.011 14.17 516 6.38 7.53 2.91 3.85 4.76 5.66 6.54 7.41 <br /> 2 3.19 6.355 5.56 6.82 8.14 2.83 3.70 4.54 5.36 6.14 6.90 <br /> 3 3.30 j 636 5.88 7.32 8.86 2.75 357 4.35 5.08 5.79 6.45 <br /> 4 3.41 4.76 6.25 7.89 9.72 2.68 3.45 4.17 4.84 5.46 6.06 <br /> S 353 •5.00 667 837 10.77 2.61 3.33 6.00 4.62 5.19 571 <br /> 6 3.6 5.26 7.14 9.38 1207 2.54 3.27 3.85 6.41 4.93 5.41 <br /> 7 3190 5.56 7.69 10.34 13.73 2.48 3.12 3.70 4.23 4.70 5.13 <br /> 8 3.95 5.88 8.33 1136 15.91 2.42 3.03 3.37 4.05 4.49 1198 <br /> 9 4.11 1 6.25 9.09 13.04 18.92 2.36 2.94 3.45 3.90 4.30 415 <br /> 10 119 :667 10.0 15.00 23.33 2.31 2.86 3.33 3.75 4.12 4.44 <br /> 116AB 7.16 11.11 17.65 30.43 2.26 2.78 3.23 3.61 3.95 4.26L A <br /> 12 449 7.69 12.5064 <br /> 21.43 43.75 221 2.70 3.12 3.49 3.80 6.08 <br />