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G. DOWNSLOPE lllx� wl��ri � � <br /> 1. If landslope is 3% or more, subtract rock layer width from <br /> adsorption width to obtain minimum downslope dike toe for ' <br /> absorption: � ,' <br /> ��,.�? ft- 1�� 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 �CZfeet <br /> b. Multiply rock layer width by landslope to determine drop „�,� <br /> in elevation; Slope Difference ��� <br /> ��x ? % �- 100 =� feet sp11�� ��-� <br /> c. Add depth of clean sand depth of clean sand for "�''°p'�.'�° -�-��--�- <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 �'""'°p''"'d''' <br /> �" �_ <br /> height at upslope edge of rock layer; ����� ��� <br /> /- J ft + 1 ft + 1 ft = �c) feet �,,-- �.�- �� <br /> d. Enter table on page bottom with landslope and upslope � •�� '� `� - ' � � <br /> dike ratio. Select dike multiplier of 3 . S � <br /> e. Multiply dike multiplier by upslope mound height <br /> to get upslope dike width: -;,v x 3,S� _ �_feet <br /> f. Add the depth of slope difference (2b) to the upslope <br /> height to get the downslope height <br /> 3. o +. � - ,� feet <br /> g. Enter table on page bottom with landslope and <br /> downslope dike ratio. <br /> Select dike multiplier of U .S�1 <br /> h. Multiply dike multiplier by downslope mound height <br /> to get downslope dike width:?.3 x � .5�+ _ � feet <br /> i. Compare the values of step G.1 and Step G.2.h. Select the <br /> �_z�� <br /> greater of the t�vo values as the downslope dike width; <br /> l7 feet �� ' .., l�� <br /> j. Total mound width is the sum of upslope dike x«ke�a�w;�i�;�_;i.p•.'.�"�;.•'•:.'upsio��e'wiaw_��'_�''`;•: <br /> width plus rock layer ���idth plus do�vnslope �:�:�:�:�:�� ����`�K«�.. ''�►�n8w`''�.' _ .�'�����; <br /> y 1-� ��+�� dike width; �:�.:�:i��:�::: :.�.: <br /> N�-�-�+ .: ���'::�; <br /> � .'���':.''::•;':.":f':.'f:.',-':.';'r.';'..f•;-':�•;�:�;•'f?�:�:..•'U��slo�::•Dike Width'. <br /> = 3 5v�Ll I � ft + �_ft + l� ft = �_feet �Pz����ak�w;d�t,___ . P � <br /> k. Total mound length is the sum of u slo e .. .. <br /> P P <br /> •�'�:-�: Downslo}�:}�Dilce�VJidt6�.�.:.'.:. <br /> dike width plus rock lati�er lengtll plus � �'��� �, ! <br /> u slo e dike width; � ' `�"� <br /> P P � .��. <br /> _�J f: + !� �� '; - --ll ;t = ► feet L � :..:::��. �::�::��::�::�i:��: .� <br /> . .. .. .. .. <br /> � � ,� � f'"-1��...:Len�;.-__[._ _ <br /> } '- � ) '� ��) � " -� <br /> oknstopa ps op� <br /> 3:1 d:] 5:1 6:1 7:1 3:1 4:1 5:1 6:1 7:1 8:1 <br /> %slope <br /> 0 3.0 4.0 5.0 6.0 7.0 3.0 4.0 S.0 0.0 7.0 B.0 <br /> 1 3.09 4.t7 a26 h.38 753 2.91 3.t'v 4.76 5.(6 6.ri 7.41 <br /> 2 319 4.35 5.56 6.92 8.14 2.93 3.70 d."si 536 6.14 6.90 <br /> -- - �._ <br /> �.3 . 330 ;� d..i; '� _.,� '.32 S.ti6 2.75 ' 3.57 4.35 ;.'t5 5.79 6�; <br /> 4 3.41 � 4."'6 __ c.2 -.,.. 9.72 ?.(S. ._ .�.4� .i7 4.ti ade o.C.: <br /> S 353 �.Cn _. . -, ��,.,, %.F1 3.33 ..� ..,_ >.;9 5.�. <br /> 6 3.Eb a26 ?.l. �.35 ;2C7 2_�: 123 3.&.i 4..1 4.93 5-.t <br /> 7 3.F-0 5.% 7.09 1034 13J3 2.48 3.12 3.70 4.23 4.?0 5.73 <br /> 8 3.95 5.88 8.33 1154 ]5.91 2.42 3.03 3.5? S.(b 4.49 4.98 <br /> 9 4.11 6.75 9.09 :3.1:4 1&92 2.36 2.94 3.4.i 3.sY) 4.30 4.65 <br /> 10 429 6.67 ;0.0 ]i.00 2333 2.3] 2.R1, 3.33 3."� :.12 G.SS <br /> 17 4.18 7_74 lls: .'.05 30.43 225 27F 32i 3�7 3-95 :'?6 <br /> ]2 4_69 7.G9 ._._., _...3 .,."5 ;:21 _.,,, 3.;Z ,.. 9 i; �.,1 <br />