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<br /> G. DC7VVIti'SL�JY� D� WFDTH
<br /> 1. If landslope is 3°'o ar more, subtract rock layer tYidth;ram
<br /> � adsorptian �4-id v'o obtain���°�feeE Pe �ike toe
<br /> Z f t �,
<br /> 2, Calculate Minimu� mound size based Qn geometery:
<br /> a. Determine depth of r.lean sand fi�l at upslope edge of rack
<br /> layer: Separatiort _ / feet , �.et ca••r
<br /> b. Mul�ply rock lay��vidth by landslope , t..� Qn �a
<br /> to determi-'1e drop in elev3tio:t; s+a�ri►t•� /,o t�.t , �',�
<br /> • SIope Difference z�en� ottt�r��c� �� «�
<br /> /Q X .� °�o+ ZQQ = ��,_�, f�ef u�sie�e w�ait� �
<br /> �s.�t
<br /> c. Add depth af clean sand for separation (Za) Q=��a a w�a�" �awn: �. �+�acn
<br /> r�tc
<br /> at upslape e�ge, depth of rock layer (i foot) to depth of ,�„
<br /> cover (1 foat; ta find the mound height at the upslope e�ge
<br /> dt roc�c la yer;
<br /> /. 0 �t + Ift + lft� 3. � feet
<br /> d_ Enter table with landslope and ��Iope dike ratio.
<br /> Seleet c�.ike multiplier af �
<br /> e. Multiply d-ike m'��P�er by upslope mound height
<br /> to Find upslape dike width: 3.57 x 3 a 0.7feek .4 //�
<br /> f. Add depth of c?ean sand for slope difference (2b) at , „ .
<br /> d o w n s l�p e e d ge, to the mound height at the upslope e�ge
<br /> of rock laver (Zc) to find the downslope height;
<br /> 'o.3 ft � 3. � ft � 3. 3 feet � .
<br /> �, g. Enter table with landslaPe and downslope dike ratio.
<br /> ,�1ect d;ke multiplier oE -
<br /> h. 1„�w�piy d;ke m,,,,l�plier by downslope mvund height . .
<br /> to get downslope dilce width:y Sy x 3.� - /5 feet
<br /> i. Compare the values of step G.1 asid Step G.2h Select the
<br /> greater af the t�vo values as the downslope dike w-idth; `V ,
<br /> /S feet y� `° �� �, y,'
<br /> � uo•ioo�rta�e �i �,��rti.. '� >sa ��k�ai��'
<br /> t��t �",`s?�',�~,^�.�!�ur^��+�2���'�'`«"3"�.�{�'/,
<br /> }. Total m,ou:�d �yidt��is the suzn of ! s �n l,:
<br /> upslope dike (G.2e) �izdth plus rock � z $" ��Cll�1� MIyIR ��
<br /> � ���c uo:+n
<br /> :ayer wid�� CD.2} plus s u�•"'•"�°`" ' , _
<br /> k f��i
<br /> daw-ttislaoE.� dike width(G.2i): : 3,k;-; , ` ��'������
<br /> �6 ' �`'^, <;!�<
<br /> , // ft + .. �o ft + /S ft = feet � `�,.� ,. K�.�,,.., ,z� �� '; ,;
<br /> �
<br /> Down—��aeM x�atn i� ;� '"��r�'"'h.
<br /> k. .TOtal �:ou*Zd 3erigth 1S the Sum oE r��t � �, . ,��
<br /> �' '< '.."."�.��" �>�._
<br /> upslope di:.:e �vidth {G.Ze) plus rock layer "� � y,,.
<br /> r �.: < � �y,, . w
<br /> . ,
<br /> y �
<br /> leng�.i� tD.�} �Ic{s ups2ope di;�width (G.Ze}; �;;. ` ;'�����z�;r� + � ,`; <
<br /> . ...
<br /> � �'2.Sft + / / ft = �`5� feet �.� ,.w.�x �.,,-�,.,..�f y
<br /> 1_� ,t T
<br /> TDi�i:�npl+�
<br /> o� ps ops
<br /> y.l Li 1-I (rl 7:S kl L1 S;! k1 7:1 t7
<br /> • * �s 1� �A Z�,y {,f� �� �
<br /> 0 �
<br /> ti 70 4s� � � �� isf
<br /> �.�� 7sz w s�s c�a� �.» �
<br /> 737 � 7.� 1.72 i�i 4i7 4.M �
<br /> 3�ti ��p . �.13 J.3� 371
<br /> � S 3� � � �)� �1S.C7 2.51 3-i3 �� � �*1 i.33
<br /> � i� ;� �� ldy,� y3JY 2.N 7.12 � 4�
<br /> 7 � � � �
<br /> Zyy 11ii . 5i.f1 212 . � � �,l0 L7D
<br /> � l.� � 9p llp,1 tL72 � 18� S.i3 ].7f .. �.1x 46t ..
<br /> 9 �� �y l0A �� �� � 27i f� . � �� {.iM
<br /> 10 �� 1;1 1111 1J.i0 � 2,7p 11! 3.M 3�
<br /> ti �� �� 11.58 ISx1 4375 2YS
<br /> tz
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