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:t,...: ,AA-)WNSLOPE DIKE WIDII-I <br /> 1. If landslope is..3% or more, subtract rock layer width from <br /> adsorption width to obtain minimum downslope dike toe for <br /> absorption: <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 J. 0 feet <br /> b. Multiply rock layer width by landslope to determine drop ,a <br /> ill elevation; SIOF1C Diffi,rence L <br /> x % y 100 = feet <br /> c. Add depth of clean sand depth of clean sand for -)-Q-&- <br /> -,�- a 1-� �'••��►•a°-.�• <br /> Re °.d W h% .. <br /> separation at upslope edge (2a) to depth of rock layer to 111 lw� <br /> rock depth and the depth of cover to find the total mound <br /> height at upslope edge of rock layer; <br /> ft + 1 ft + 1 ft = -3 . 0 feet <br /> d. Enter table on page bottom with landslope and upslope <br /> dike ratio. Select dike multiplier of 3. -DL-"s <br /> e. Multiply dike multiplier by upslope mound height <br /> to get upslope dike width: 3.u x 3.Z5 = _ o feet <br /> f. Add the depth of slope difference (2b) to the upslope <br /> height to get the downslope height <br /> 7. o + � L, - '. ;, feet <br /> g. Enter table on page bottom with landslope and <br /> downslope dike ratio. <br /> Select dike multiplier of <br /> h. Multiply dike multiplier by downslope mound height <br /> to get downslope dike width: 3. L x .z� = J feet <br /> L Compare the values of step G.1 and Step G.2.h.-SeTlect the <br /> greater of the two values as the downslope dike width; <br /> feet <br /> j. Total mound width is the sum of upslope dike R« a ew►a ; UpsiopeDikewidii� <br /> width plus rock layer width plus downslope 'K <br /> dike � '"1e'.•,'8m <br /> • �` <br /> width; .:.: <br /> w <br /> 10 ft + 0 ft +_c ft =feet u to>xbik;W , :•u' io Mewiav;Ll� <br /> '. <br /> k. Total mound length is the sum of upslope <br /> g °wiaiti'I <br /> dike width plus rock layer length plus <br /> upslope dike width; <br /> .... .. .. .... .. .. . .. ...... .. ........ .. .. <br /> /0 ft + C,cK1 ft + jQft = Meet To1,1Leno <br /> + fo sir -t- /01(0 /oG <br /> Downslope UPSIOpe <br /> 3:1 4:1 S:1 61 7:1 3:1 4:1 5:1 6:1 7:1 8:1 <br /> x slope <br /> 0 3.0 4.0 S.0 6.0 7.0 3.0 4.0 5.0 6.0 7.0 8A <br /> 1 3.09 4.17 5.26 638 7.5.4 2.91 3.85 4.76 5.66 6.54 7.41 <br /> 2 3.19 4.35 5.56 6.82 8.14 2.83 3.70 454 5.36 6.14 6.90 <br /> 3 3.30 4.54 5.88 7.32 8.66 2.75 3.57 4.35 5.08 S.79 6.45 <br /> 4 3.41 4.76 6.25 7.89 9.72 2 M: 3.45 4.17 4 54 S.46 6.06 <br /> 5 353 5.00 6.67 657 10.77 :nI 3.33 4.00 161 5.19 5.71 <br /> 6 3.66 5.26 7.14 9.38 12.07 2.54 3.23 3.85 4.41 4.93 5.41 <br /> 7 3.80 S.56 7.69 1034 13.73 2.48 3.12 3.70 4.23 4.70 S.13 <br /> 8 3.9S S.88 833 1154 15.91 2.42 3.03 357 4.05 4.49 4M <br /> 9 4.11 6.25 9.09 13.04 18.92 2.36 2.94 3.45 3.90 430 4.65 <br /> 10 429 6.67 10.0 15.00 2333 2.31 2.86 3.33 3.7; 4.12 4.44 <br /> 11 4.48 7.14 11.11 17.65 30.43 2.26 2.78 3.23 3.61 3.9S 426 <br /> 12 4.69 7.69 1250 21.43 43.75 2.21 2.70 3.12 3.49 3.80 4.08 <br />