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G. • bowNSLOPE DIKE WIDTH
<br /> 1. If landslope is 3% Or more, subtract ruck layer width from
<br /> •
<br /> adsorption width to obtain minimum downslope dike toe fur
<br /> absorption:
<br /> j..) ft - /an . _ /? feet
<br /> 2. Calculate minimum mound size based on geometery:
<br /> a. Determine depth of ole: t sand fill at upslope edge of rock
<br /> layer: Separation 11• _feet
<br /> b. Multiply rock layer width by landslope to determine drop „Mc...
<br /> in elevation; Slope faif fcrcnce g?tii?itt 7::-...0,--bh.,
<br /> O__ x _ y 70 + 100 = ,y feet ----________, �..:.lir..
<br /> e, Add depth of clean sand depth of clean sand for 1»"�" L rim�r
<br /> separation at upslul?e edge (2a) Eu depth of ruck layer to `"`
<br /> rock depth and the depth of cover to find the total mound ` ....
<br /> height at upslope edge of rock layer;
<br /> ,1,23:1t 4• 1 ft + 1 fl = 3.25-feet
<br /> d. Enter table on page bottom with landslope and upslope
<br /> . dike ratio. Select dike multiplier of 3',vs' _,
<br /> e. Multiply dike multiplier by upslope mound height
<br /> to get upslope dike width: 4,1. x . q,,i/5' _ . it feet
<br /> 1. Add the depth of slope difference (2b) to the upslope
<br /> height to get the downslope height
<br /> 2,25: + , q 4,415' feel •
<br /> g. Enter table on page bottom with landslope and
<br /> downslope dike ratio. y' '7
<br /> Select dike multiplier of
<br /> it. Multiply dike multiplier by downslope mound height
<br /> to gel downslope dike width: L/ -7�` x,7.b = 6 feet
<br /> i. Compare the values of step G.1 and Step G.2.h. Select the
<br /> greaterr.Co�f the two values as the downslope dike width;
<br /> / ') feetr r;�7,77.7,77.7.7X::::,:...,..
<br /> {X��7. --..
<br /> j. Total mound width is the sum of upsiop ► (,...V.7,7:7;:7; :::::,,.6'}4,.1 ;);;1.4e1>rko%:4111 `"'.11:
<br /> e dike It.,, �11villill � i 1 ��" •;;:
<br /> widthplus rock lay width plus downslope 1t' ' ::;;.r;' :,;!,:'.' :'::;, ';:;':
<br /> 'uc ger � sloe '{:;•, .,::'.: .;';
<br /> dike width; ,'4:'••: ,, t t Icor 1,1•I,,µ1,•1 !'(1 •�;;"••,�
<br /> :::,;:�:„ . i,/tom .:. ::,
<br /> J IL E J ft 't _ ft y fed t U,ttlt i>t lJikv 51i1Jih a " :'i::rI�• ::,i. ,.U,;61r•yte'IKkc SVldth _
<br /> k. 'tidal hound length is the sum of upslope
<br /> ''" ::!f`,, } :r; ; �
<br /> dike width plus i ' it length 1 •. :i:,"i,;. •'f' 144nai,..,.lk4 id r:.1+.},,;r'+;1
<br /> rock layer 1 gilt plus ,::u4 ;,,'14q 1�wli; ,
<br /> upslope dike width; ;�,':�: '; ••. 'j;'; f
<br /> !4 .:':`�,:, ' ....1.:::...,:,...:,:;.....1:.:::.m•r : , •:. 1:' .':'+4.i,.
<br /> J . ft + /�'!p ft + / ft - C' 5 `t ► - .►i: '
<br /> r• .. •, .• .. , 1.,..��
<br /> 6 0 7� 1 E e r TulaI L/11 , 3/ ►1
<br /> LOUW111101113 µ6l.po
<br /> 3:1 411 51I 6:1 7:1 1;1 4:1 9:1 6:1 7u 11:1
<br /> %110pa ^---". -
<br /> 0 3.0 4.0 531 AM 7 0 3•p 1.0 5.0 11.11 7,1) 9.0
<br /> 1 3317 4.17 ..7V, 6.34 7.51 7.91 3.45 4,74 5.64 6.59 7.41
<br /> 1 7,19 1.35 S 16 6.42 4.19 7343 3.70 4.54 5.34 $14 6,90
<br /> 3 3.30 1,tU, S.RM 7,31 $.6 7.75 3.57 4,35 5.114 5.71 6,45
<br /> 4 7,51- _.[LA) A)5 7.40 9.71 7,66 (iZS) 4.17 4.4 5.44 63(95
<br /> J St lU ;sr,
<br /> 67 9.57 11(77 7.61 • 3 4,11) 1.67 5.15 5,71
<br /> 6 3 M }d_ 7.14 0.?4 17,07 7.54 `Z;fi' 3.45 1.41 4.93 5.11
<br /> 7 3 4) 144 7.61 1(1.11 1.1.73 7.49 3.17 ).711 1.73 4,70 5.13
<br /> a 3.95 S.M 4,3.1 115I 15.41 2.47 3.411 1.77 4.tn CO 4.M
<br /> 9 4.11 A 7.5 130 1.1.(14 14,11 3.11 2.94 3.45 3.91 410 4.41
<br /> 111 4.71 6.67 10.11 19.110 73.33 1.11 2.4 3.11 3,75 4.11 4.44
<br /> 11 4.44 7,14 II 11 17345 31143 3.24 2.79 3.73 3.61 3.95 4,74
<br /> 12 LIR 7.49 12.11 71.4.% 4.1.73 2.21 1.70 3.12 3.49 3.11 4.157
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