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� G. DOWNSLOPE 1��WIDTH � <br /> 1. If landslope is�o �more,subtract rock layer width from <br /> adsorption width to obtain minimum downslope dike toe <br /> ��ft-�_ft =_L2_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 I• o feet <br /> b. Multiply rock layer width by landslope � reot co�.�. <br /> to deterinine drop in elevation; : rooc ao oa <br /> Slope Difference s�peretton te�t ' <br /> Ic� x � %i 100 = •s' feet siov• Oftierenoe _-� ec <br /> Upslope Wldt� <br /> c. Add depth of clean sand for sepazation (2a) �2-f�et Ro�k e�a w�ot� <br /> at upslope edge,depth of rock layer(1 foot) to depth of �r�et Downslo e wtatn <br /> cover (1 foot) to find the mound height at the upslope edge ��eet <br /> of rock layer; <br /> �.� ft + lft + lft= 3 •� feet <br /> d. Enter table with landslope and upslope dike ratio. <br /> Select dike multiplier of 3.3'3 <br /> e. Multiply dike multiplier by upslope mound height <br /> to find upslope dike width: -c•�x 3,� _� 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 /> �,o ft+ . S ft= 3.� feet <br /> g. Enter table with landslope and downslope d.ike ratio. <br /> Select dike multiplier of S.o <br /> h. Multiply dike multiplier by downslope mound height <br /> to get downslope dike width: S,o x 3-S = ► � 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 /> I � feet �o$ o .N,at� <br /> j. Total mound width is the sum of taat <br /> ....... <br /> upslope dike (G.2e) width plus rock Ro�k e.a w�at� <br /> ' _..,:`; �o,� �..� � ' :' <br /> layer width (D.2)plus e UpS,�•W��t^ ��`._LQ_e�etn <br /> t�et <br /> downslope dike width(G.2i); o <br /> �o ft+ �o ft+�_ft = ��feet � �' ' <br /> k. Total mound length is the sum of 3� � Down�s�lp oe wiain <br /> ; '. ! ' .15�_teet S i <br /> upslope dike width (G.2e) plus rock layer <br /> length (D.3) plus upslope dike width (G.2e); <br /> � o ft+ G�S ft+ �o ft = _�feet ' <br /> s�s t � + t� = loy - ���`�� _ <br /> Tote�Lenptn <br /> own ope ps ope <br /> 3:1 li 5:1 &1 7:1 3:1 4:1 5:1 61 7:1 8:1 <br /> 1G abpe <br /> 0 3A l.0 5.0 GO 7.0 3.0 4.0 5.0 60 7.0 8.0 <br /> 1 3.09 L17 5.?b 636 7b3 2.91 3.85 4.76 5.66 65t 7A1 <br /> 2 3.19 4.35 556 6ffi 8.1� 2.83 3.70 45t 536 61t 6.90 <br /> 3 330 45� S.E! 7.32 8.d6 275 357 435 5.08 5.79 6.15 <br /> 4 3,t1 L76 6.25 7.D9 9•T1 268 3.15 4.17 L8{ 5.46 6.06 <br /> 5 353 6A� 667 b57 _]0.77 261 333 �.00 �.62 5.19 5.71 <br /> 6 3.66 5.26 7.Ii-- 938 1207 254 7.Z3 3.85 t4l 1.93 5.�1 <br /> 7 390 556 7.69 103� 1373 2!8 3.12 3.70 lZ! L70 5.13 <br /> B 3.95 S.M 833 1154 1591 242 3.Q3 3S7 �.OS 4.49 t.88 <br /> 9 4.11 625 9A9 13.Ot 1892 236 29� 3.45 3.90 t30 4.65 <br /> 10 129 667 l0A 15.00 1333 231 286 333 3.75 4.12 4A! <br /> 11 1A6 7.14 il.l] t7b5 30.13 2.Z6 27E 3.73 3.61 3.95 4.Zb ' <br /> 12 4.6A 7.69 1250 21A3 4375 221 270 3.12 3.49 3.80 4.06 <br />