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G. f DOWNSLOPE DIKE WIDTH <br /> 1. If landslope is 3% or more,subtract rock layer width from <br /> adsorption width to obtain minimum downslope dike toe <br /> a c� <br /> ft- o ft=_) ) feet <br /> 2. Calculate Minimum mound size based on geometery: <br /> a. Determine depth of dean sand fill at upslope edge of rock <br /> layer: Separation ).Z- feet <br /> b. Multiply rock layer width by landslope teor Cover <br /> to determine drop in elevation; root Re eo <br /> Slope Difference Seperettoe feet <br /> 0 x�_%i UpsloDe WI <br /> 100 = feet Slope Difference �� et <br /> Otn <br /> c. Add depth of dean sand for separation (2a) feet Rock Bed Width <br /> at upslope edge,depth of rock layer(1 foot) to depth of �feet Downslope Width <br /> cover(1 foot) to find the mound height at the upslope edge feet <br /> fi <br /> of rock layer; <br /> 1.Z ft+ lft+ lft= .Z 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.-z x = I 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(20 to find the downslope height; <br /> �ft+eft= 2,1) feet <br /> g. Enter table with landslope and downslope dike ratio. <br /> Select dike multiplier of S.D <br /> h. Multiply dike multiplier by downslope mound height <br /> to get downslope dike width:-3,1-) x e- =_L°L 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 /> 10, feet 1 UD9OD8 W1Dt <br /> j. Total mound width is the sum of foot <br /> upslope dike (G.2e)width plus rock Rocr Ee°Width ;! <br /> layer width (D.2)plus = ,o f.a <br /> G UDs10De W1Dln UDL10De W101n <br /> downslope dike width(G.2i); o '' foot �!feet <br /> �Lft+ _ft+ a ft= _�� feet <br /> k. Total mound len is the sum of p0We510pB W1O1n <br /> length � �_feet <br /> upslope dike width (G.2e)plus rock laver ` <br /> length (D.3)plus upslope dike width (G.2e); <br /> I I ft+ Lcl_ft+ 11 ft feet t <br /> 1 h (.0 V IC)F Total Lenptn /o <br /> mwlislope Lpslope <br /> 3:1 l•1 5:1 6:1 7:I 3:1 41 5:1 6:1 7:1 8:1 <br /> %slope <br /> 0 3A 40 5.0 60 7.0 3.0 4.0 5.0 60 i.0 8.0 <br /> 1 3.09 4.17 526 6.18 7M 2.91 3.65 4.76 5.66 6-54 7.41 <br /> 2 3.19 435 556 6S2 8.14 283 3.77 454 536 614 6.90 <br /> 3 330 454 5.88 7.32 6.86 2.75 3 2 435 5.08 5.79 6.45 <br /> 4 3A1 L7_¢.,� 625 7.59 9.772 268 3.�i.,, 4.17 4.84 5.46 6.06 <br /> 10.77 _ _ 261 x.35 4.00 4.62 5.19 5.71 <br /> 6 3.66 526 7.14 938 12.07 254 3.21 3.8.5 4.41 4.93 5.41 <br /> 7 3.80 556 7.69 i034 1373 248 3.12 3.70 423 4*'IV 5.13 <br /> 8 3.95 SBS 833 1154 15.91 242 3.0 357 4.05 4.49 4.88 <br /> 9 4.11 6.25 9.09 13.04 18.92 236 294 3.45 3.90 430 4AS <br /> 10 429 6.67 10.0 i5.00 2333 231 286 333 3.75 4.12 4A4 <br /> 11 4.48 7.14 11.11 1'.50 30.43 2.26 273 323 3.61 3.95 426 <br /> 12 4.69 7.69 1250 2..43 43.75 221 270 3.12 3.49 3.80 4A8 <br />