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� a,
<br /> JA �
<br /> DOWNSLOPE DIKE WIDTH
<br /> i. If landslope is 3% or more,subtract rock layer width from
<br /> � adsorpdon width to obtain minimum downslope dike toe
<br /> .z�.� ft-,/2 ft= /O 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 � r.o�c...�
<br /> to determine drop in elevation;
<br /> � �e•t Ro •a
<br /> Slope Di�ference s.o...uea r.•�
<br /> �1.�� x�%+ 100=�feet s�ep•o�rr.r•�o•� t
<br /> uos oo w�etn
<br /> c. Add depth of clean sand for sepazation(2a) '•�� R,�k e.a w�e��
<br /> at upslope edge,depth of rock layer(1 foot) to depth of �L u.� oow�.�on.w�e��
<br /> cover(1 foot)to find the�mound heighf at the upslope edge r'•`
<br /> of rock layer,
<br /> �_ft+ ift+ lft= � .., � , ,
<br /> ,�_fee - , �� - _ . ..�;��,
<br /> d. Enter table with lattdslope and upslope dike ratio.
<br /> Select dike multiplier of 3�S"
<br /> e. Multiply dike multiplier by upslope mound height
<br /> to find upslope dike width:,,,�_x,�_�=�Q feet
<br /> f. Add depth of ciean 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=,�,._q,,feet
<br /> g. Enter table with landslope and downslope dike ratio.
<br /> Select dike multiplier of �� 7(r
<br /> h. Multiply dike multiplier by downslope mound height
<br /> to get downslope dike width:��x,��_�_feet
<br /> i. Compaze the values of step G.1 and 5tep G.2h Select the
<br /> greater of the two values as the downslope dike width;
<br /> �__feEt uos� o N�atn £}t{tx . y }
<br /> j. Total mound width is the sum of -�!�•� ,,. ;:.�t z,>>,.<„ �>,����.��,j�.x.:,.
<br /> < . .
<br /> upslope dike(G.2e)width plus rock : ,,0e s..M,.��;,� <, ;;
<br /> �;�.. .
<br /> layer width(D.2)plus e �o:�oo.w�e�h `a` x u.��a .:�.�A
<br /> 1tZ n•�
<br /> downslope dike width(G.2i); ; � <�<.� -,�„y4 >
<br /> �ft+�ft+1�ft= ,��feet . ' , f � '
<br /> , ,.
<br /> k. Total mound length is the sum of ~ ; , o""�."'"'"°f>`s'¢�$,� ,.
<br /> , , u.i a3�.���
<br /> upslope dike v�idth(G.2e),plus roc�c�lay�r t ' ` ` ` � �
<br /> . •e. , . :t�. �. .�;6 �. �. �,�� ••-t i�..:, do�D �YC f k� '4 .n�yi,2 r zj�*���>i'�Y`�"x<�r�.yL,,c :�c ..
<br /> length.(I�.3)plus upslope dike wic�th�G.2e); , : �
<br /> N �+4�+t f
<br /> r� ft+ ,Sv ft+�_ft= � feet
<br /> ret.�unoin
<br /> ow ope ps pe
<br /> 3:l Lf S:1 kl � 7A ��� � kt � l•1� ' S:t � &I 7:1 � �:1 .
<br /> �
<br /> 0� fA l0 SA 6.0 7.0 SA l0 S.0 �f.0 LO �D
<br /> 1 3D➢ U7 S.7f 6.31 � 7S7 291 �� � I.� ' �J6 . 5.66 651 7A1
<br /> 2 �.19 �35 5.56 6!2 �.It 2a1 7.70 �:SI 5.3� iU i.90
<br /> � 330 451 5.!! 732 l.16 275 l57 t.35 SA6 5.99 6.�5
<br /> � 7A1 �7i 6.S 7.N 9.7t 26! � 1.17 �.N S.Y f.06
<br /> S 353 5.W i67 157 10.T7 ibl �.00 l67 5.19 S71
<br /> i 7i6 S.7b 7.1� 9.31 120Y 2.51 3.2� 3.lS �A1 L97 SA1
<br /> 7 »0 556 7.69 10J4 iD.f]' lY 3.12 �.70 1.21 l70 S.13
<br /> ! ].95 S.!! !3J US� 15.91 2.Q , l.m .�57 �.OS �.N IY
<br /> 1 �.11 6.25 9.01 13.W �Il.91 -i76. . 29/ � 3A5 � 7.90 � {.30 � �6S � .
<br /> 10 �29 667 l0A 15.00 Zt�l 231 2�6 3.33 7.75 {.12 tM
<br /> 1! U! 71{ 11.11 17.65� � �0.l.1. 2t6 . . . 27! 7.27 3.61 �.95 {26 .. LA
<br /> 12 �.69 7.69 1L50 21.Q U)3 2I1 270 �.t2 3.�9 �.AO �A! l�.y
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