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. • ; <br /> ' G. DOWNSLOPE DIICE WIDTH <br /> 1. If landslope is 3% or more,subtract rock layer width from <br /> adsorption width to obtain minimum downslope dike toe <br /> �_ft-�_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 ��feet <br /> b. Multiply rock layer width by landslope � tooe ce�.� <br /> to deterinine drop in elevation; ': �eot Ro eo <br /> Slope Difference s.oe�et�op r..e <br /> �l, x�_%1100 =�_feet SIODe Dltt�renee � ei <br /> u�slove wldtn <br /> c. Add depth of clean sand for separation (2a) �-feet RocK BeG wtGt� <br /> at upslope edge,depth of rock layer(1 foot) to depth of _�lL�eet ooW�s,00e w+ot� <br /> cover(1 foot) to find the mound height at the upslope edge -�-�--feet <br /> of rock layer; <br /> �.S ft+ lft+ lft= 3•�� feet <br /> d. Enter table with landslope and upslope dike rario. <br /> Select dike multiplier of 3.4� <br /> e. Multiply dike multiplier by upslope mound height <br /> to find upslope dike width: 3.S x 3•�t 5� _�_feeE <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 /> � �� ft+�_ft= 3•q feet <br /> g. Enter table with landslope and downslope dike ratio. <br /> Select dike multiplier of y.'1 l. <br /> h. Multiply dike multiplier by downslope mound height <br /> to get downslope dike width: 3•� x �i•�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 /> /9 feet _, : :.::.. <br /> .:::.:.�osioo.,�nat�: > <br /> . . . �.;.::::::::::::::::.:: _l�-.r��c �::<;:<�'•<.>:;:;;<:<::::>�:;>'<:::<>`.::>:�::.�....:..:;:;::::::::._,.�:.;.:,...:........: <br /> �. Total mound width is the sum of ;;; :,.....:;:.;>:,.., .. <br /> ;.:::>:;;;::::::. <br /> upslope dike (G.2e)width plus rock � ; �oo��o�,a�� � <br /> layer width (D.2)plus ' UDSIODY W10[11 "" �o�� .W�al� <br /> 3 _1"3.�.tast �reet <br /> downslope dike width(G.2i); _ f : <br /> 1 � ft+�ft+�_ft= ��feet � � ` : <br /> ... . .: <br /> k. Total mound length is the sum of E oow�sioos v+iain <br /> .,....�`'�rea� <br /> �:::»;:x:;::>::;<::>;::<:::»::>::::»;;;:.;:-:.>:::::::<;;.;;:::.;;;;;;:.>::::>::>�;»::<:::>:<:::;;::.;;;:,::.;;::;:;;..;.::,::.;:::;::�::::::.,.:;: <br /> upslope dike width(G.2e) plus rock layer � ' <br /> length(D.3) plus upslope dike width (G.2e); � ` ' ; <br /> >, <br /> i a ft+ �� ft+ I a, ft = � feet � < <br /> _.: ; ,>..,.: . :;: <br /> _ _ _, ._ <br /> �z <br /> l�i -� � � -+ �� /o� - <br /> . Totel lenptn �0(p <br /> wn ope ps ope <br /> 3:1 Ll a:l &1 %:1 3:1 4:1 5:1 &1 7:1 8:1 <br /> %alope <br /> 0 3D �.0 SA 60 7.0 3.0 3.0 5.0 60 7.0 8A <br /> I 3.OD �.17 5.76 e38 %�.i 291 3.di 4.76 5.66 65! 7.61 <br /> 2 3.19 4.35 b56 5.52 5.13 ?.33 3.70 453 536 611 6.90 <br /> 3 330 d i� a88 :.32 b.So 2T 3.�7 t.35 5.08 S.A 6.G <br /> 4 3.d1 C176.�. . 6.25 7.99 9.� 263 �:-3.Gi_�� t.17 1.8� S.fb 6A6 <br /> S 353 5.00 66� 3�7 IOTI 261 -3.33 6.00 1.62 5.19 571 <br /> 6 3L6 S1b 7.14 9.38 1207 2�t 3.73 3.85 L41 6.43 S.tl <br /> 7 3E0 SS6 7.69 I034 1373 238 3.12 3.7D l73 iiO 5.13 <br /> 8 3.95 5.$8 833 1154 1a.91 242 3.Qi 3S! lnS 469 �BB <br /> 9 1.11 G25 9.09 13.06 18.92 7�0 2% 3.Gi 3.90 d30 4.6i <br /> 10 «9 6.67 l0A 15A0 Z333 2.i7 286 333 3.75 4.12 4.�6 <br /> Il 4.48 7.1/ 11.11 17b5 30.33 Z?b 2i8 3.21 3.61 3.95 4?b <br /> i2 �b9 7.69 1S0 ?IA3 S3.7i 221 2TJ . 3.12 3.49 3.8D 6.06 <br />