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G. DOWNSLOPE I��WIDTH <br /> 1. If landslope is�6 �atore,subtract rock layer width from <br /> adsorption width to obtain minimum downslope dike toe <br /> ��ft-�Q_ft =�_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 �.o feet <br /> b. Multiply rock layer width by landslope � rooc co�.� <br /> to determine drop in elevation; ' r°°` R° °° <br /> Slope Difference seperet�on te�t <br /> �O X � %-` 1�� _ • � feet Slop� Dliterence•�__ et <br /> UDslope WIGt� <br /> c. Add depth of clean sand for separation (2a) -�-y-teet RocK Be0 wlCtn <br /> at upslope edge,depth of rock layer (1 foot) to depth of ��ee� DownsloDe Wtdtn <br /> cover (1 foot) to find the mound height at the upslope edge -��'-�eet <br /> of rock layer; <br /> � ft + lft + lft= y.� feet <br /> d. Enter table with landslope and upslope dike ratio. <br /> Select dike multiplier of 3, i � <br /> e. Multiply dike multiplier by upslope mound height <br /> to find upslope dike width: y.� x 3•i� _�� 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 /> �c�ft +�_ft =�_feet <br /> g. Enter table with landslope and downslope dike ratio. <br /> Select dike multiplier of s�.S t� <br /> h. Multiply dike multiplier by downslope mound height <br /> to get downslope dike width: �x S•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; 9 a� <br /> �� feet i. �o��oo.�,a�� ' , _ <br /> j. Total mound width is the sum of '' �- ���� ' <br /> upslope dike (G.2e) width plus rock <: Ro�k o.a w�a�� <br /> layer width (D.2)plus � ;.;::;: :; .: t..� _ '' <br /> o U�sIOD��r/IOt� -UOsioDe wiat <br /> downslope dike width(G.21�� o ������ �- reet <br /> 1�ft + ��ft + �_ ft = �_ feet � <br /> -Down5loDe WIOI� , <br /> k. Total mound length is the sum of `�� ,, � ,ee� ' <br /> upslope dike width (G.2e) plus rock layer <br /> length (D.3) plus upslope dike width (G.2e); <br /> ��ft+ (,�! ft + �_ft = �� feet <br /> a�- -+ � � t a�. � �a� � <br /> rotei�enptn <br /> own ope ps ope <br /> 3:1 Ll 5:1 6:1 7:1 3:1 a:l 5:1 GI 7:l 8:1 <br /> x dopt <br /> 0 3A LO 5.0 GO 7.0 3.0 4.0 5.0 GO �.0 9A <br /> 1 3.09 L17 51b 638 753 291 3.85 L76 5.66 654 7A1 <br /> 2 3.19 1.35 SS6 682 E.1� 2.83 3.70 �S� 536 GI� 6.90 <br /> 3 330 LS/ 5�8 7.32 8.86 275 357 {35 5.08 5.79 6.t5 <br /> 4 3A1 l76 6� 7.E9 9.T2 26B 3.15 �.17 l8l 5.r6 6.06 <br /> 5 39 5.00 6b7 8S7 1077 261 333 �.00 �.62 5.19 57] <br /> 6 366 5.2b 9.14 9.38 1207 2.54 3.Ti 3.85 l�1 l.93 S.t1 <br /> 7 3A0 ��5561 7.69 303� 1373 2t8 �3.12�� 3.70 �?3 l70 5.13 <br /> B 3.95 5�6 b33 115� 15.91 242 3.03 357 �.C6 4.�9 ��8 <br /> 9 �.11 6.?5 9.09 13.O1 18.92 736 2% 3.45 3.90 t30 4.65 <br /> 10 1�9 6.67 IOA I5.00 7333 231 286 333 3.75 �.12 4M <br /> Il 4,{d 7.i1 11.t1 1�b5 30.43 2�6 278 323 3.61 3.95 4.Ib <br /> 12 4.(N 7.b9 1250 21A3 d375 221 270 3.12 3.�9 3.80 4.08 <br />