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. . <br /> G. DfJWNS�.OPE DII�WIDTH <br /> 1. If landslope is 3% or more,subtract rock layer width from <br /> �� adsorption width to obtain minimum downslope dike toe <br /> _,-��• ��.� ft-�ft =_.12-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 _j�' feet <br /> b. Multiply rock layer width by landslope � raor co�.� <br /> to determine drop in elevation; t rooc ao ea <br /> Slope Difference S�pereUoa �•� it�l <br /> /C X ;� %'.- 100 = %� feet s�ov� n�iterence � t <br /> Upslope W1dt� <br /> c. Add depth of clean sand for separation (2a) �feet Rock Be0 W1Gt� <br /> at upslope edge, depth of rock layer(1 foot) to depth of �SZ teet Oown5loDe W10t� <br /> cover(1 foot) to find the mound height at the upslope edge �� feet <br /> of rock layer; <br /> ,�,� ft+ lft + lft= 3,a feet _ <br /> d. Enter table with landslope and upslope dike ratio. <br /> Select dike multiplier of ?,_S7 <br /> e. Multiply dike multiplier by upslope mound height <br /> to find upslope dike width: 3.z x `�.�� _��feeE <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 /> � �,a ft+ ..� ft= 3,Sfeet <br /> �� g. Enter table with landslope and downslope dike ratio. <br /> ` � � Select dike multiplier of �-�.��I <br /> h. Multiply dike multiplier by downslope mound height <br /> to get downslope dike width: 3.� x � _ / i- feet <br /> i. Compare the values of step G.1 and Step G.2h Select the <br /> greater of the two values as the downslope dike width; _ ��_ <br /> ,� <br /> fee <br /> t <br /> � ':`:uos�,pc:�riietn <br /> < <br /> . <br /> r� . > <br /> : J.L_ •t <br /> :.;:::.,. <br /> .:.:::.:.; :.:. <br /> :.::u:.,.:..:.:::::,::.:::.,..,......<•:,f•�.:r:•:.:A::.:•: .:3: <br /> Total mound width is the sum of ...,..:.::.:,.::::::>r:.:::�.:::.«::.::.:::4�::;;:_:::;:.:;..::.. <br /> , .:.>:;::.:::.: <br /> .;::.:.;::.:.. <br /> � ...,.<.:::.;:. <br /> ::::.........::. <br /> ....<:;::::::::.::.:::..,:.::.:...�:..::.,...: :....:.,.::::... .. <br /> :.:::.:.:::::...:::..:.....:............... .>.............:............... <br /> ::.:.,v..�:::..•...�.. .........................:.{;'.`:i'iiy'i::;::y'� <br /> u slo dike (G.2e) width lus rock Y���������'��=`���� <br /> x.._... <br /> P Pe P �i:::�i:i.'�%2;;:`.>:;:: �O�CCJ K D�E Mlilll ��•r:'«Mii:<:;<::::T: <br /> TZ� <br /> layer width (D.2) plus o �o=�oo�'w;a�� �o��::.o:'�;at� <br /> � , .�_t��t �re�t <br /> .�• ::x�.: <br /> �2r;::•;:::?<•:.:..:::::.::::ax• <br /> . . . ....:.:::::::>:::::.,- ........ <br /> `.:;i:;:;; :;�F;'r'.. .<:... <br /> 'ii+:ii'�%. <br /> ..:e. >.?iYY�::+::�:'t't�:v<.'•:A............... <br /> wl .Ll � �:�:2%<E%:ii:::'{'.:o-`.i'<:�::.........,:..... <br /> downslo dilce dth G ) - :::>...::..�:::.�:::«::;-::�::::::v::>:�: <br /> ( , :::«..�...�;>::.>:.>..::.:.::...... <br /> Pe <br /> a >., <br /> � <br /> 0 <br /> � <br /> :<:::{:>:;<:;;:_::;:.>:;<::>`;::>'':�:>>;>`:::::: <br /> - � <br /> � <br /> + + ft <br /> - feet <br /> ft <br /> ft . <br /> .1L <br /> _1� <br /> �2 <br /> M <br /> ..:........:.::.�.:..::::.::..�.,:::::... <br /> .'::>;::>`:€:>:':<:::::>:':::»:�:<::::>::::>�::::>;��:�:>;> <br /> ....:::.::::..:....:.....:....::..:......::.... <br /> �,�.}, :'i�"Downsl�oD���W101n .......... ... <br /> um f <br /> n i the s <br /> 0 <br /> k. Tt <br /> al mound le s <br /> o �e <br /> et <br /> .:.......:......: <br /> b"` .-�.-. <br /> r r <br /> 1 ock la <br /> .2 us e <br /> 'ke 'dth G e <br /> u s <br /> lo di wi <br /> ( ) <br /> P <br /> Y <br /> P <br /> Pe <br /> >�::;.:::;:::<::<::::: <br /> wi h .2 <br /> 'ke dt e • <br /> . 1 di G <br /> D lu u o e <br /> h 3 s s <br /> len ( ) <br /> ( , <br /> � <br /> ) <br /> P P <br /> P <br /> _ � <br /> �ft+ SS ft +�_ft � feet � � � � � <br /> 1� -i Ss -�- 1') "- ��J Totei unptn <br /> own ope ps ope <br /> 3:1 l•1 5:1 61 7:1 3:l 0:1 5:1 41 7:1 e:] <br /> 7L abpe <br /> 0 3A l.0 5.0 60 7.0 3.0 4.0 5.0 60 7.0 dA <br /> 1 3A9 117 5?d 6.38 733 291 3.8i 4.76 5.66 651 7A1 <br /> 2 3.I9 l35 556 482 B.I� 2.83 3.70 d5� 536 Gl� 6.90 <br /> 3 3.30 C��� 588 732 6.86 2T C357 � �35 5.08 5.79 6AS <br /> � 4 3A1 l76 625 7.89 9.T2 268 3A5 1.17 l84 5.{6 6A6 <br /> 5 353 5.00 667 657 lOT1 261 333 1.00 462 5.19 571 <br /> 6 31b 51b 7.1t 938 12W 251 3.13 3.a5 t{I �.93 5.�1 <br /> 7 3� 556 7.b7 10.3� 1373 268 3.12 3.70 �.23 t70 S.13 <br /> B 3.95 SBS 833 llSl 15.91 2G2 3.� 3S7 �.�5 4.{9 1.88 <br /> 9 l.11 625 9.09 13.W 18.92 236 29t 3.15 3.90' l30 4b5 <br /> �p {Zg 667 IOA 15.00 2333 2.31 286 331 3.75 4.12 4.�4 <br /> Il 1Ad 7.1{ il.11 17.65 30.�3 2.7b 278 3.73 3.61 3.95 �1b <br /> IZ {d➢ 7,69 1250 21.0 t375 221 270 3.12 3.19 3.80 4A8 <br />