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� G. DOWNSLOPE I��WIDTH �
<br /> 1. If landslope is�6 �more,subtract rock layer width from
<br /> adsorption width to obtain minimum downslope dike toe
<br /> '2 L`r7 ft-1sZ_ft=�Z 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 1• � feet
<br /> b. Multiply rock layer width by landslope ' "n`"�c°"•�
<br /> to detennine drop in elevation; �� reoe Ro ea
<br /> Slope Difference Seperatlon ta�t
<br /> ��X�%i 1�� _ .� #eet SIOD• ��iference _�_ et
<br /> UDSIODe WIOtA
<br /> �. Add depth of clean sand for sepazation (2a) -�-�eet Ro�K e�a wiatn
<br /> at upslope edge,depth of rock layer (1 foot) to depth of ��teet OownsloDe wlOtn
<br /> cover(1 foot) to find the mound height at the upslope edge �-�eet
<br /> of rock layer;
<br /> l.� ft+ lft+ 1ft=�.� feet .
<br /> � d. Enter table with landslope and upslope dike ratia
<br /> Select dike multiplier of � .y�
<br /> e. Multiply dike multiplier by upslope mound height
<br /> to find upslope dike width: 3•,� x 3.tiS =�_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 /> 3•4C ft+_�ft= ��a_feet
<br /> g. Enter table with landslo.pe and downslope dike ratio.
<br /> Select dike multiplier of 4, �t,
<br /> h. Multiply dike multiplier by downslope mound height
<br /> to get downslope dike width: 4.a x 4.�� _�.Z feeE
<br /> i. Compare the values of step G.1 and St�p G.2h Select the
<br /> greater of the two values as the downslope dike width; _ ' _
<br /> ao feet :...;:.:>:::.:...:::�
<br /> � � { > UDs10D�WiOt� �tj > } . ... .
<br /> j. Total mound width is the sum of .'-�-�°•� ' � ` ' `
<br /> •;,� r.•.::,.,:•,::::•::.�:s:::.;•;.�;4� �3t�5� >
<br /> .......... . .
<br /> upslope dike (G.2e)width plus rocic �� >`�_��� y �
<br /> :;..::::.>:
<br /> :..::.;:::.:�:,s,E;<i,i%#; R CK D10 WIOt11 �
<br /> layer width (D.2)plus ` � ��` � �
<br /> i T .�
<br /> o UDS100�N101� uo � o•�
<br /> � ��f��l ;;y..:.
<br /> downslope dike width(G.2i); o ....... .. ' < � <�`"° >� � . .
<br /> �3 ft+�ft + �� ft = L 3 feet � , ` �
<br /> y3 ' Downsioo.wiatn
<br /> k. Total mound length is the sum of - .��..�
<br /> } tik�t•�`
<br /> E N
<br /> � >
<br /> v�t t
<br /> u slo�p dike width(G.2e) plus rock layer `�:::,..:...;<;>.::>:..$:,:.<<,%<�.�'�{ �7' `.�:>:� `
<br /> P r� ...#•:::.::.�.,;r:yc;:;;�^.�#�i;.;�::,::;:::.
<br /> ,..:....:..:..
<br /> � �.:<ii>iri'?iS.ii::$i:5'••i.::;i,s,•r x �.�, � ,
<br /> <::
<br /> lenQ}}� (D.3) lus u slo e dike width (G.2e)• '�` t:��`�:::"`..t��:�:`::;::'���� ` '
<br /> P P v>.�:<:.::.::>,:;::::�<.::..>::�<...;,.., �.;.:>..,:>� :<:;
<br /> O"' P , >,.:.,:.,.....K.•.,.».;>•���t;%ti �tfa+'� •o:>.o•:::::.:o:.:
<br /> ,.i;k^;�r•;;`•.,•':,:<::,•. �. r•ya,a,::`:;�:•t>,��S
<br /> :.;.:.;:
<br /> ;.
<br /> v:;,•r:... t{ .•.� '+t .. a..::':: )
<br /> '..`:::5:`:.:::�:�5:}.:::.i:;f;ii:2:^::;ii)a't';:8'y`::?Y;:i;�?+,:Sii:;?'>.'•;:::Y.� � - i �
<br /> �3 ft+�ft+_f�-ft= �_feet "............... ..........�:«.::<
<br /> •:::...:...::..�i::nr.•.:.:'.:.:.�.,... •..:vn�:'%::r.4.vv... � ::�
<br /> a u .�- v t� t ac� /o� -
<br /> . TOtal L�nptD �
<br /> ope ps ope
<br /> 3:1 �:1 rxl &3 7:1 3:1 �:1 S:1 k1 7:t d:1
<br /> x
<br /> 0�� 3A 4A_ SA 6.0 7.0 3.0 �.0 5.0 GO 9.0 8A
<br /> 1 3A➢ �.17 5.26 63! 7.53 291 3.85 4.76 5.66 G54 7.{]
<br /> 2 3.19 �35 SSb 6.82 6.1� 2.b3 3.70 �St 536 Gl� 6.90
<br /> 3 330 454 S.E6 7.32 l.ab 2.75 3S7 435 S.OB 5.79 6�15
<br /> !�.__ 3A1_. _. 6Q5.._ 7.E9 ._ ... ..9.T2 266 �L�;� �.17 tN 5.46 bA6
<br /> 5 353 � 6.67 157 1QT! 261' . -3�3 1.00 �.62 5.19 5.71
<br /> 6 3.66 S1b 7.14 9.33 1207 ?S4 3.Z3 3.85 L�3 �.93 SAl
<br /> y ;,ep 5S6 7.69 303� 1773 2td 3.12 3.7D �.21 �.70 5.13
<br /> 8 3.95 5�6 � 115� 15.91 242 3.m 3S7 l.W l.�9 �.88
<br /> 9 �11 G2S 9.0'1 13.0� 18.92 736 29� 3.15 3.90 t30 4b5
<br /> �p «9 6b7 l0A 15A0 233� 231 286 333 3.75 �.12 4A4
<br /> 11 4,{6 7.14 11.11 17.65 30A3 21b 2�d 3.23 7.61 ].95 �1b
<br /> �Z 4,Lq 7,69 1750 21.Li �.775 221 270 3.12 3.49 3.80 �.OB
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