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�. vvYVNSLUP�. UiK� WIllTH <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 /> a�,'1 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 >. a feet <br /> b. Multiply rock layer width by landslope to determine drop ,,,,,� <br /> _ <br /> in elevation; Slope Difference ��� <br /> /� x�_% i 100 = . (� feet ��-� <br /> c. Add depth of clean sand depth of clean sand for �� �'-�-��--�• <br /> Rah&d Wh� �� � <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 /> /,Z ft + 1 ft + 1 ft = 3•�-feet <br /> d. Enter table on page bottom with landslope and upslope <br /> dike ratio. Select dike multiplier of 3 .2� <br /> e. Multiply dike multiplier by upslope mound height <br /> to get upslope dike width: '•= x : -�'� _ ) 0 feet <br /> f. Add the depth of slope difference (2b) to the upslope <br /> height to get the downslope height <br /> z.Z + .'l, = 3 .� feet <br /> g. Enter table on page bottom with landslope and <br /> downslope dike ratio. <br /> Select dike multiplier of S.Z l. <br /> h. Multiply dike multiplier by do�vnslope mound height <br /> to get downslope dike width: �3 "4l x z� _ � � 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 do�vnslope c�ike width; <br /> � 0 feet <br /> j. Total mound width is the sum of upslope dike K«x��a�w-���ti��_''`�'`:.�:..ti�io���w,a�;::;i�.�:�.�.".:.:.:::.:.::... <br /> width plus rock layer width plus �o�rnslope �" Kockl3edLength . ' ,.�i;'�� <br /> dike �ti�idth; ��'���`������..i�,,:....`..... ... . . . . . .. .. .. :�::��:��: <br /> ��::::1:�:::::::.::.:: � �����: ::..:.::.::.::.:��,��.::..:.-:..�...�..-•�. <br /> � ft + �_ ft + Z Q ft = L� O feet l:pslope Dike Wideh_�;� ,':;':;; {:?{:;,:;},';;..,:;.;Upslope Dike W[dth I C� <br /> k. Total mound lenpth is the sum of upslope <br /> b t t' :{•�' �Downslo.�.�•�Dike�Widtti..2�...•�...•�.�.':. <br /> dike width plus rock layer length plus � -� `�� <br /> upslope dike ti�idth; <br /> . .:.�:.�:.�:. �. . �:.� <br /> Lo ;� + � ft + 10 t; = 4��_ feei � •:. �.,:�,,.,.�., , �� <br /> - _- - <br /> -- - <br /> ,�_, _� <br /> 2� -►- c. �! + �7 n ` 1� `� _i o u <br /> owns opc ps opc <br /> 3:1 4:1 5:1 6:1 7:1 3:1 4:1 5:1 �6:1 �:1 8:1 <br /> %slope <br /> 0 3.0 4.0 5.0 6.0 ?.0 3.0 4.0 5.0 6.0 7.0 8.0 <br /> ] 3.09 5.17 5.26 638 7..i3 ?.91 3.8i 4.76 .i.66 6..i4 7.41 <br /> 2 3.i9 S.3.i �.56 6.82 tl.13 2.53 370 4.�5 5.36 6.14 6.90 <br /> 3 3 w7 :.�: 5.&3 7.32 E f+� ?.T 3.>7 43i 5.�34 5.79 6.Q5 <br /> < _�. -Jh 6.2= 7.59 ,. - -.Fa 3.4: ..,. <�: S.:! 6.(kS <br /> .. �__ �.b' b._ .,. �. . J.�i �.4� . _ .:y J.i i <br /> 6 __. . �.26-•' 714 . 9.33 ;?.2? ?I-: .. �_3.v ` 3.�i 4.;; 4.93 5.41 <br /> 7 3a] .i.�6 7.69 1034 :3J3 2.3.9 3.72 3.70 4.Z3 470 5.13 <br /> 8 3.95 5.6& 8.33 7154 li91 2A2 3.03 357 4� 4.69 4.88 <br /> 9 d.11 6.25 9.09 13.04 15.y2 236 2.94 3.d5 3.�'J 4.30 4.L5 <br /> 10 4;5 5.67 10.0 IS.00 �3.33 231 2.86 333 3.T 4.12 4.44 <br /> 11 :.:5 :.15 I1.1] 17.65 '�.;3 225 2.;8 32i 3-0: 395 426 <br /> 12 ._ �.r: 1_SO 27.43 --. � I '.ZI �-... _.._ �..- 3-ti; 4.Ob <br />