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C1: liUWN5L01'E DIKE WIUTH <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- 10 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 �. D feet <br /> b. Multiply rock layer width by landslope to determine drop ,,,a,�--� <br /> in elevation; Slope Difference ���� <br /> �x_�% 1100 = - � feet '��==�°- <br /> c. Add depth of clean sand depth of clean sand for �"�� ���°�° • <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 �'�°�w'��`_ <br /> �w <br /> height at upslope edge of rock layer; <br /> I.� ft + 1 ft + 1 ft = 3 •v feet <br /> d. Enter table on page bottom with landslope and upslope <br /> dike ratio. Select dike multiplier of 3 _�� <br /> e. Multiply dike multiplier by upslope mound height <br /> to get upslope dike width: ?.,c� x 3 •��3 = �feet <br /> f. Add the depth of slope difference (2b) to the upslope <br /> height to get the downslope height <br /> 3•o + .�_ -� . L feet <br /> g. Enter table on page bottom in�ith landslope and <br /> downslope dike ratio. + <br /> Select dike multiplier of 5.�c, <br /> h. Multiply dike multiplier by downslope mound height <br /> to get downslope dike width: 3•l� x ,�'.��: __� 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 <br /> j. Total mound width is the sum of upslope dike Kocktkd�Wldth./n. .�.��::;:•;Upslope•DJce Wtdth��%O������;;'�;,�,:;•,- <br /> �vidth plus rock layer �`�idth plus do�ti�nslope ���'`��K«�� �'��n'����'���' ���'�.'�'�.°�:�.��: <br /> dike width; ..�.�� . K �� <br /> '•�.'�'��•'''.�;r';r:"'•"•"•'.•. •'U'.sio'::••[�ikc.w;dch,io" <br /> � ft + �Q_ ft + �_ ft = 3�_feet UpslopeDikeWidth��_.,...:,:;.•,::•,:;.;:}.;:}.;:;.{:}.. P P� <br /> k. Total mound len th is the sum of u slope <br /> g p I' '•�.'�' �Doivnslo.�•����•Dike��lNidih�.,-r.'...,.- <br /> dike width plus rock layer lengtll plus <br /> � L`�:•:,::�:, <br /> upslope dike width; <br /> _ ! o ft + �"., / _ ft + --/J f; _ . �,1�-- feet (,� . ..To:zll,ength..�•�_.•..•..----w� <br /> �cL__ -t� (��-� -f- J. _ /d L /O L <br /> owns op� ps ol�c <br /> 3:] d:l �:] b:l 7:1 3:1 4:1 5:1 b:l 7:1 81 <br /> %sbpc <br /> 0 3.0 4.0 5.0 6.0 7.0 J.0 4.0 5.0 6.0 �.0 8.0 <br /> 1 3.09 4.17 i16 6.38 7.�3 2.91 3.8� 4.76 i.66 6.54 7.11 <br /> 2 3.19 43.i S.i6 6.82 A.14 2.&3 3.70 C.rl 5.36 6.14 6.90 <br /> 3 330 4.+4 :.33 i.32 b.F! ?.7� ?.=7 43,i i.09 5.79 b.Qi <br /> 4 3.:'. 4.'6 6.2i ;.59 9.72 2.61i 3.s= a.77 a.&i 5.46 6.(K <br /> 5 3�3 S.DJ 6.57 557 :U.;7 267 '3� ;.u; :.F,2 5.19 i.71 <br /> 6 3.� 5?5 � i.lt y.3a 12.07 2.i3 �. 313.....` 3.55 1.41 4.93 5.41 <br /> �--7-� � 3.Fi� S.i6 7.69 1034 I3J3 2.SFi '��72 3.i0 S.Z3 4.70 5.13 <br /> 8 395 5.68 833 1156 15.91 2.42 3.03 3.57 C.m d.d9 d.88 � <br /> 9 4.11 6.Z5 9.03 13.(M 1&.92 236 2.91 3.4i 3.90 4.30 4.bi <br /> ]0 429 6.67 10.0 15.W ?3.33 231 2.,% 3.33 3.75 4.12 4.13 <br /> Il 4.<3 7.?S 11.11 77.E6 30.13 2.?6 275 3.23 3.51 395 4.26 <br /> 12 4.69 7.69 1"v0 ?;.i3 .3.75 2.21 2�U 3.12 3.:9 3.80 4.C19 <br />