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=:EF'�=�=+-'�i�-: LJEL �=i� : 1 1 F'P1 ELLE'=:THLi Lr1F�i� '=�EF"•r' I CE'C: r• S �t.l_:'�'�l_14_1'� F'. 4_i�
<br /> G. I)4WNSI�PB UiKB V1TIl�TH
<br /> 1. Yf tandslope�is 3�b a�m�xe,subtra�t rock layer width from
<br /> adsorptian width ta obtain minimutn�ownslope dike toe fox
<br /> abSOrpt10�1:
<br /> /SZ ft - % ft *� �� feek
<br /> 2. Calculate mintmum mound stze based on geometery;
<br /> a. Determine depth of clean sand fill at upslope e+�ge of rock
<br /> layer: Separatfon I,Q feet
<br /> b. MulHply ro�k layer widtk�by Iandslope to de#ermine dro� ,,,�„ ,,,r, ,
<br /> � in elevation; Siope DiJference ,�..,�
<br /> Z .Z x .� % +� 100 = Q'� feet �,;�.�;�.�w.�
<br /> �. Add depth of clean sand depth of clean sand for �.« "�-�. � '-��•�;�..�:: ,
<br /> s��ar�tion at upslope ed�� (2a) to depth of roCk layer to �..� ""
<br /> rock depth and the d�pth of cover to find the total maund �"�`�'�«�'' �
<br /> height at upslo�e edge of rock layer;
<br /> `�.,,
<br /> _�ft � 1 ft + 1 ft � �3 feet
<br /> d. Enter table on pa�e bottom witih landsIope and upslape
<br /> dike ratio. Sel�ct dike mu�Hplier of �.5 7 ,,
<br /> e. I�fultiply dike�iultiplie�r by u slope maund h�ight
<br /> to get upslope dik�width: �x 3�57 � %v'7feet
<br /> f.Add the depkh of slope difference(2b) to the upslope
<br /> hetght to get the downslope hei ht �
<br /> 3 } 0,_�_�s �•� f��t
<br /> g. �nter table on page bottom with landslope and
<br /> downslope dike ratio.
<br /> SeIect d�ke txrultiplier of_�/��� , ,
<br /> h. MultipIy dike rnultiplier by downs�ope mound height
<br /> to get downslope.dike width: ��x r.S� p /�feeE
<br /> I. Compare the values of step G.1 and Step G.2.h. Select the .
<br /> greater oE the two values as the downslope dike width; �
<br /> /7�3 feet .. .
<br /> �• Y1d W� h � 'f����'-�;"���,r;tirii:rti: 'ir}r�:�:tif'i:'�;�::�i'�r�r"t:'i`�
<br /> �. Total rn u dt s the sum of upslope dike R '�a1�ia�n�`,:4•.,:�f ��i�:rv��,`'.`•..:..;�.�u:�r.-
<br /> wtdth plus r k y dth plu 1 `� ' Y. ..'.`- .. �:�� ,
<br /> s d4wns ope �.: -- .,, r;�_.� �.�;:�:,.
<br /> v� Ia er wi `w�z::�..- .�. .� .� �,;��:� •c� :t,������
<br /> ::...• ',i_ f.
<br /> dike width; ;.,. ;�•: --, . :
<br /> r��ft +��,�t + i �ft ��� � �r ' . . �..�: •. . .:•L '�
<br /> � .•:�_ •�•_�: ,;�:-,:..:•. . �,-. ��.,:., ��� "�`4' _T.
<br /> 2et u �o ti - • , :�.;•„ ti r. ti, r.�.� �::
<br /> P� P��+Wldth� � i;-r, rfF:'�:�::t�;tru � L�lk�Wldth_
<br /> k. mot�nd 1 ng t e sum o#up 1 p •, �'•-`f° :f�-� �:;: :;�:t�,;:�:: �'r;ti�.-���.:.,�.:ti•,•,z:
<br /> Total e rh is h s o e �'•{�''" ti:: '.c. ;::..,. .�:.. ���; r.::..:..:.::.:..:;.:•�.:�.::
<br /> •:.ti� :�. '`i} . }.yt;�%'.Y::�.;Lt ti:•:::�:t•t f�;,ti::t.:
<br /> dike v�ridth plus ro�k layer l�ngth ptus -�, �{`:`'�'�..� �'°"'�"'°�i. r� ' .' ,
<br /> .r::;•ti;�,•.�::�,,1.� t�w'w� �
<br /> :4:;�• �r. r. P'� id h;.�:. �:
<br /> pslope dike width• .�.:,r�.;;;:..:{�s�ti.,�.::_ {�:�.':�':�%'J.tiJ.ti:.�:.ti:.�::��:�:,��.:�
<br /> :�:. • ti�- :;tti,,,•.•.•.•. . . .�, ,.��
<br /> U � �rtiy`rM}t::�.:z. •�! :':?�ry::'t�':�'titi%{'�:ti�tti.i'i�:r'•.;:t::'.
<br /> - :�:ti.'.1:,.1.��! ..ti.,ti: �.L. �f.iP.1J.\T L:. •;L� '
<br /> � �fk + ft -� ft Y _��feet } _ � �
<br /> � Taat Leng�h .___��
<br /> wns ope p�4
<br /> 31 4:1 51 6:1 7:t 3:1 �t 61 � &1 7:� �:1
<br /> S�Io�+e
<br /> Q �A �.0 5.0 GO 7.0 1.0 4.0 b.0 40 7,0 S.0
<br /> 1 7.OD 4-17 ff.2d A3b 75J T�1 �R5 i.76 6 66 GSI 7,l1
<br /> i f�9 �as 5-sa ��t e.0 2�f a.�v 4.� sat c�� cso
<br /> � 1,w 4,b1 s�a 7 3x e s6 275 5.57 �.JS b.01 b.79 6 ts
<br /> � �/1 I.76 L.?S 7,f9 9.72 7.EA 3-Y6 1.17 i b1 5_ab d P6
<br /> s )S3 5,40 6.67 i.S7 10.9� 16t �39 �,(A l.6,� 3.�9 5�1
<br /> s 3.6i 6 2l� 7,1♦ 9.1e t207 7.5{ �.]3 b.L3 <.11 �,P? 5 t1
<br /> � 31A 6S6 y.69 t034 53.73 2.US 1-li f_�0 42s a.70 a.i�
<br /> i 1.Q5 6.8� l.73 115� fSsf �u f.R! A57 �,Cb t,�V 18�
<br /> � �.I I b z4 4.09 13.M 35,92 7 36 2.91 J/S �.90 I,J4 I 6S
<br /> �9 �19 4.W 140 16.00 2333 111 2.d6 �� a.T! I.t7 �u
<br /> +! t.t� 4.ia ��.0 �znf �o,t3 2 46 2.7e 11] 3.d1 b vS 41i
<br /> 12 �� 9.64 1750 21.13 �3 7S 7 21 2�0 a 12 b 49 3�0 1.(M
<br />
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