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c1,9 o w 1 yx-ok3 <br /> 1_o-C a <br /> G. DOWNSLOPE liTECE WIDTH <br /> 1. If landslope is b d more, subtract rock layer width from <br /> adsorption width to obtain minimum downslope dike toe <br /> al..) ft- /o ft = t '7 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 feet <br /> b. Multiply rock layer width by landslope ::1°:leot:Cever <br /> to determine drop in elevation; teat RD :ed <br /> Slope Difference Separation 1.�fut <br /> 10 X S %-L 100 = feet Slope Difference _v4_ et <br /> �- Upslope width <br /> c. Add depth of clean sand for separation (2a) feet Rock Bea width <br /> at upslope edge, depth of rock layer (1 foot) to depth of _L feet Downslope wiotn <br /> cover (1 foot) to find the mound height at the upslope edge 22' "" <br /> of rock layer; <br /> ft + ift + ift = 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: 2.a-, x 3, = a 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.S ft + .3-- ft = feet <br /> g. Enter table with landslope and downslope dike ratio. <br /> Select dike multiplier of s.0 <br /> h. Multiply dike multiplier by downslope mound height <br /> to get downslope dike width: s, x W,o = o 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 /> _ <br /> a o feet _ <br /> }+.2 Z UDs1oDe wfdln} <br /> j. Total mound width is the sum of z -�.fe•l 'N401' <br /> upslope dike (G.2e) width plus rock i. > > • R9c�e�e�e9 width <br /> layer width (D.2) plus a •._.o:, : t • .• / L.feet. . . . .• . . . . 'o <br /> UDf10 .w10 ..0 ela0 <br /> downslope dike width(G.21), : `••` <br /> l k ft + AD ft + a o ft = -i feet <br /> k. Total mound length is the sum of 1a1. oDwn3loo. w1Dtn <br /> rest <br /> upslope dike width (G.2e) plus rock layer <br /> length (D.3) plus upslope dike width (G.2e); <br /> )a' ft + t, ft + 1a-' ft = 9p, feet <br /> 0 4- L 3 t a0 /off <br /> Total LinQtn <br /> Downslope Upslope <br /> 3:1 4..1 5:1 &1 7:1 3:1 4.1 5:1 &1 7:1 8:1 <br /> %.bp. <br /> 0 3.0 CO 5.0 6.0 7.0 3.0 CO 5.0 6.0 7.0 8A <br /> 1 3.09 4.17 526 6.31 753 2.91 3.85 (76 5.66 654 7A1 <br /> 2 3.19 4.33 534 6.82 8.14 233 3.70 454 5.36 6.14 6.90 <br /> 3 3.30 4.54 5.341 7.32 8.86 2.75 3.57 435 5.8 5.79 6.5 <br /> 4 3.41 4.76 625 739 972 2.61 3.45 4.17 4.34 5.46 6.06 <br /> 5 333 CK03 LC _ L57 10.77 2.61 C3-11 4.03 4.62 5.19 571 <br /> 6 3.66 526 7.14 9.38 12.07 2.54 3.23 3.85 4.41 4.93 5.41 <br /> 7 333 5.56 7.69 1034 13.73 248 3.12 3.70 all 4.70 5.13 <br /> 8 <br /> 3.95 558 8.33 11.54 15.91 2.42 3.01 3.57 4.05 4.49 438 <br /> 9 4.11 6.25 9.09 13.04 18.92 236 2.94 3.45 3.90 4.30 465 <br /> 10 429 LC 10.0 15.03 2333 231 286 333 3.75 4.12 4.44 <br /> 11 4.48 7.14 11.11 1745 30.43 226 278 313 3.61 3.95 416 <br /> 12 4.69 7.69 1250 21.43 4375 2.21 270 3.12 3.49 310 4.08 <br />