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G. DOWNSLOPE DUCE WIDTH <br /> 1. If landslope is 3%d or more,subtract rock layer width from <br /> adsorption width to obtain minimum downslope dike toe <br /> aL.•aft-)oft=1!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 1. D feet <br /> b. Multiply rock layer width by landslope f4►el ce9.r. <br /> to determine drop in elevation; 1 feet Ro ed <br /> Slope Difference Separation toot <br /> /x Z %i 100=, feet 51opa Difference <br /> U�slope Width <br /> c. Add depth of clean sand for separation(2a) 1L feet Rock Bed Width <br /> at upslope edge,depth of rock layer(1 foot) to depth of JD feet Dow sI width <br /> cover(1 foot)to find the mound height at the upslope edge -feet <br /> of rock layer; <br /> /.O ft+ lft+ lft= 3.D feet <br /> d. Enter table with landslope and upslope dike ratio. <br /> Select dike multiplier of 3 .S'1 <br /> e. Multiply dike multiplier by upslope mound height <br /> to find upslope dike width: 3•o x-3.�2= i j_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(20 to find the downslope height, <br /> Z,o ft+._ft= 3.3 feet <br /> g. Enter table with landslope and downslope dike ratio. <br /> Select dike multiplier of 4;S <br /> h. Multiply dike multiplier by downslope mound height <br /> to get downslope dike width: x 4.S4 =jle 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 /> j. Total mound width is the sum of Y -�-feed > , <br /> x . .. , {. .� . . ....... <br /> upslope dike(G.2e)width plus rock € 10 eta Width <br /> layer width (D.2)plus a Uos !.an 1D><.le�feet Un.j'o•e:t° <br /> downslope dike width(G.2i); <br /> _ft+ 10 ft+_ ft= _feet <br /> k. Total mound length is the sum of <br /> upslope dike width(G.2e)plus rock laver <br /> length (D.3)plus upslope dike width(G.2e); { <> ;�x <br /> _I ft+ &e ft+ ft= feet <br /> I ') + L ld + 1 /09- TOtet l.npllr/0,2 <br /> Vowagope Upslope <br /> 3:1 4.1 S 1 6c1 7:t 31 4:1 S. 61 7:1 1:1 <br /> ,<SAO" <br /> 0 <br /> 3.0 4.0 5.0 60 7.0 3.0 4.0 5.0 60 7.0 8A <br /> 1 30 4.17 326 631 753 1" 3.15 4.76 S.66 654 7.41 <br /> 2 3.19 435 356 6112 0.14 237 454 536 6.14 6.90 <br /> 3 3.P 732 6.06273 433 33.03 5.79 6.45 <br /> 4 3.41 U6 6.25 "`7. 3.4� 4.17 4.64 5.46 6.06 <br /> S 353 5.00 6.67 657 10." 2.61 337 4-W 4.62 3.19 571 <br /> 6 31A 526 7.14 930 1227 234 323 3.05 4.41 4.93 SAI <br /> 7 3.00 5.56 7.0 1034 13,73 140 3.12 3.70 423 470 5.13 <br /> 1 3.9S S.88 0311154 1511 2.42 3.03 337 405 4.0 496 <br /> 9 4.11 6.25 921 13.04 1692 236 294 145 3.90 430 4.66 <br /> 10 429 667 10A Ism 2333 231 216 333 3.75 4.12 4.44 <br /> 11 4.41 7.14 11.11 1765 30.0 226 273 323 3.61 3.95 426 <br /> 12 469 7.69 1250 21:13 4375 2z 1" 112 3.19 3.80 JIM <br />