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G. DOWNSLOPE IE WIDTH <br /> 1. If landslope is6 d more,subtract rock layer width from <br /> adsorption width to obtain minimum downslope dike toe <br /> l..? ft- IL) ft = V) 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 ),0 feet <br /> b. Multiply rock layer width by landslope r foot:Cover <br /> to determine drop in elevation; ' root Ro len <br /> Slope Difference seoeretuoh test <br /> io x S % 100 = . feet upslope Width Stop* Difference et <br /> c. Add depth of clean sand for separation (2a) 0 feet Rock 8e0 Width <br /> at upslope edge, depth of rock layer (1 foot) to depth of /0 feet Downs,o a Width <br /> cover (1 foot) to find the mound height at the upslope edge i feet <br /> of rock layer; <br /> /..0 ft+ lft + lft= 3.0 feet <br /> d. Enter table with landslope and upslope dike ratio. <br /> Select dike multiplier of 3 .3 . <br /> e. Multiply dike multiplier by upslope mound height <br /> to find upslope dike width: 3-0 x '4-675 = /o 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. 0 ft + . ft = 3.J feet <br /> g. Enter table with landslope and downslope dike ratio. <br /> Select dike multiplier of 5,o v . <br /> h. Multiply dike multiplier by downslope mound height <br /> to get downslope dike width: 2- S- x S-D = 1 4 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 /> 4 feet <br /> ,UpstoPS Width <br /> j. Total mound width is the sum of _.ta_feet •, <br /> upslope dike (G.2e) width plus rock ... .. !!! g0 �atWes,otth <br /> . . . <br /> layer width (D.2) plus Width <br /> 11Ds1oDe Width <br /> downslope dike width(G.2i); 7, .Mgiigiingii!!!!!ibigitiliiIiii <br /> sh <br /> o ft + v ft + 1i -ft feet <br /> 3 � <br /> I <br /> ii)ownslp De Width thk. T Total mound I nb�" is thesum of _ask_feet <br /> :::�::•iX:{:;�:i:::•i$ilii:•:in ::}{:C44Y:Y:•i:^ii:h:[?iiii'ii:::::i•'::.ii:.i:;•i`fiii:i:::%:;::i:::�::�?:::i:�:::::::i:::�':'..:': <br /> upslope dike width <br /> .2e Plus rock layerer :; :::.:.>::::::<:<:.>::<.::.>.»:..;>:>:•<.;.;:<,.;.;:;::ii;::..:::.i..i:>::...: <br /> length D.3 plus upslope Pe dike width G.2e <br /> j ft + ')S ft + lo ft = °.c" feet i ::i•.i:,.,:i::i.. :::..:. <br /> Pte + ')S . 11 ) - -I/I - <br /> ToteILenpth <br /> Downslope tj pslope <br /> 3:1 4:1 5:1 6:1 7:1 3:1 4:1 5:1 6:1 7:1 8:1 <br /> %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 /> I 3.09 4.17 5.26 6.38 753 2.91 3.85 4.76 5.66 6.54 7.41 <br /> 2 3.19 4.35 556 6.82 8.14 2.83 3.70 434 5.36 6.14 6.90 <br /> 3 330 434 5.88 7.32 8.86 2.75 3.57 4.35 5.08 5.79 6.45 <br /> 4 341 J(.,776 625 7.89 9.72 2.68 417 484 5.46 6.06 <br /> 5 3.53 _CS.00 667 __..._. 8.57 10.77 2.61 t 3.33 4..00 4.62 5.19 5.77 <br /> 6 346 5.26 7.14 -9.38 12.07 254 3.23 3.85 4.41 4.93 5.41 <br /> 7 330 556 7.69 10.34 13.73 248 3.12 3.70 423 4.70 5.13 <br /> 8 3.95 5.88 833 1154 15.91 2.42 3.03 3.57 4.0.5 4.49 4.88 <br /> 9 4.11 6.25 9.09 13.04 18.92 236 2.94 3.45 3.90 4.30 4.65 <br /> 10 429 6.67 10.0 15.00 2333 231 2.86 3.33 3.75 4.12 4.44 <br /> 11 448 7.14 11.11 17.65 30.4.3 2.26 2.78 3.23 3.61 3.95 426 <br /> 12 4.69 7.69 12.50 21.43 43.75 2.21 270 3.12 3.49 3.80 4.08 <br />