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l;. •UOVViVSLOPE DIKE WIDTH , <br /> 1. tf land'slope is 3% or more,subtract rock layer width from <br /> adsorpHon'width to obtain minimum downslope dike toe for ' ° � <br /> " abso�rption: , . � �. <br /> �:�!,.� ft-�ft =�Zfeet � � <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 /,c,� feet <br /> b. Multiply rock layer width by landslope to determine drop ,,��;,..:::,,:. <br /> in elevation;S[ope Drfference � ��� <br /> feet , . , <br /> �x�_%+ 100= � ` . � , r.,,T,.... <br /> c. Add depth of clean sand depth of clean sand for �� �- �-'w'�*�°"� <br /> separation at upslope edge (2a) to depth of rock layer to ��� � ������������'' <br /> rock depth and the depth of cover to find the total mound �-�. <br /> height at upslope edge of rock layer; <br /> _f_ft + 1 ft + 1 ft = 3,D feet � <br /> d. Enter table on page bottom with landslope and upslope <br /> dike ratio. Select dike multiplier of 3 . I ? . <br /> e. Multiply dike multiplier by upslope mound height � <br /> to get upslope dike width:�,U x�,I�=Jq_feet <br /> f. Add the depth of slope difference(2b) to the upslope <br /> height to get the downslope height <br /> 2 •U +_•�=yfeet <br /> g. Enter table on page bottom with landslope and � <br /> ' downslope dike ratio. <br /> Select dike multiplier of � •J �:-- � <br /> h. Multiply dike multiplier by downslope mound height <br /> to get downslope dike width:�.� x s.sr_ _ � � feet <br /> i. Compare the values of step G.1 and Step G.2.h. Select the � <br /> greater of the two values as the downslope dike width; . <br /> -:; i feet .��::::�:: : : :� :�:::,�'•:;:;:::::•:t;;::':: �:::.;. <br /> :ti:i:;..� i:;:., (..{,::.,:.�%t:: <br /> j. Total mound width is the sum of upslope dike Ra eea'w�a�;'' � •��'�'�'°a°"�""��` . ��•��� <br /> i:'� :.•:.•.•f.•:.•r.�Jf K••Jr:;i::;:!r::;::�: <br /> width plus rock layer width plus downslope `''`•'`''''"`'''''''K�'' ''�,;'' '' ' �:.: <br /> :t:.::..: <br /> 8 •i.,.,• 't''y�.'��'�.',�.#4 <br /> dike width; :::::;�;::':;.�. ...:::.:::: .�..;.�•::�:�: . <br /> :.�;:: <br /> � ft + ft + ft = Eeet uq!�ak�wia'�i;' ' ' '•�w�����wiai� <br /> k. Total mound len th is the sum of u slope �:;�� . <br /> $ P 'i�;:�o�''c�i�`wc�ii;'��'' <br /> dike width plus rock layer length plus �� <br /> :.;;. <br /> upslope dike width; <br /> , ft + _, ! ft + � ft = '� feet �_.-Tau1Le++6il+ �-�1 -' <br /> � ..� �; ' ' `�' /" <br /> wns opc yps ai� � <br /> 3:1 1:1 S:1 &1 7:1 7:1 1:1 1 &1 7:1 /:1 <br /> 4 Jope <br /> 0 7A �.0 S.0 6.0 7.0 3.0 !.0 S.0 6.0 7.0 �A <br /> 1 SA9 l.17 S.T6 63S 7.S1 1.91 3.65 �J6 5.66 6.51 �.�1 <br /> 2 3.19 1.35 SS6 6.62 l.1� 263 3.70 4.51 S.J6 6.11 i.VO <br /> 3 330 1.54 5.66 7.32 E.86 2.75 7S7 1.35 S.Oe 5.79 6.6 <br /> ! 7A1 �.76 6.25 7.l9 9.T2 2.68 7.15 t.17 �.M 5.�6 6.06 <br /> S �� S.pp 6.y s.57 10.77 1.F1 3.73 �.00 t.(1 5.19 5.71 <br /> 6 �,66 5.26 7.11 9.SS 12.07 2.51 J.13. 3.d5 �.11 1.9] 5.�1 <br /> 7 3.�0 �'.5.561 7.6A -. . 1031 13.7J 2.M `3.12 % 3.70 1.27 4.70 S.II ' <br /> ! 3.D5 5.88 6J] ll51 15.91 I.Q 3.OS JS7 1.05 1.�9 I.ds <br /> 9 4.11 42S 9.09 1�.01 16.V2 2.76 I.91 3.15 ].90 4.30 1.66 <br /> 10 �29 667 10.0 IS.00 2JJ3 2.J1 I.86 333 3.75 1.17 �.N <br /> 11 �.�8 7.1� 11.11 17.65 70.47 2.26 2.76 3.2] ].61 7.95 126 <br /> u �.bv �.� uso �i.a ��.�s �.�� Z.�o �.iz �.w �.no t.an <br />