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� `�'�'�v"V�s� �1'�� <br /> G. DOWNSLOPE I��WIDTH <br /> 1. If landslope is3'�6 �atore, subt�ract rock layer width from <br /> adsorption width to obtain minimum downslope dike toe <br /> �ft - lo 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 )•p feet <br /> b. Multiply rock layer width by landslope � ro�� co�.� <br /> to deteruiine drop in elevation; � r e o� a o e a <br /> Slope DiffeJ'�2C8 S�perotlon t��t <br /> 1�X ,'-�� %i100 =_�feet s�ov• o�tterence ��_ e� <br /> UpsloDe Wldl� <br /> c. Add depth of clean sand for separation (2a) _1�-reei Rock aea wiatn �, <br /> at upslope edge,depth of rock layer (1 foot) to depth of 1s2_�e�� DownsloDe w�atn <br /> cover (1 foot) to find the mound height at the upslope edge -�- �eet <br /> of rock layer; <br /> . a ft+ lft + lft= :� , � feet <br /> d. Enter table with landslope and upslope dike ratio. <br /> Select dike multiplier of 3,4 s� <br /> e. Multiply d.ike multiplier by upslope mound height <br /> to find upslope dike width: 3 •� x 3�yS = � feet <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 /> 3.� ft+ ,�_ft = 3,y feet <br /> g. Enter table with landslope and downslope d.ike ratio. <br /> Select dike multiplier of �i. � � <br /> h. Multiply dike multiplier by downslope mound height <br /> to get downslope d.ike width: �.�L x �.y = / .� feet <br /> i. Compaze the values of step G.1 and St�p G.2h Select the <br /> greater of the two values as the downslope dike width; _ �o � � <br /> I � feet , �o:�ao:�,at� <br /> j. Total mound width is the sum of �0 ���� <br /> upslope dike (G.2e) width plus rock R,fk o a w�a�� <br /> ` /��r..i <br /> layer width (D.2) plus a �o��o�i YI1Cl� UDSIODe W�o<< <br /> downslope dike width(G.2i); o � `�•` � �e�� <br /> �o ft+�ft +�'�ft = � feet 3,' DownsloDe W�a�� ' � <br /> k. Total mound length is the sum of �,,.� i <br /> upslope dike width (G.2e) plus rock layer � <br /> length (D.3) plus upslope dike width (G.2e); ' <br /> �ft + �� ft + �ft = loa feet �1 � <br /> I-� +- g� -+- )'� = 1 l l� To�e� �.�ot� <br /> own ope ps ope <br /> 7:1 �3 5:1 il 7:1 3:t a:� S:� 61 7:t d:l <br /> 1��bpe <br /> 0 3A l0 SA GO 7.0 3.0 4.0 5.0 60 7.0 A.0 <br /> 1 3.W 117 5�6 638 753 291 3.85 1.76 5.66 6.54 7A1 <br /> 2 3.19 l35 556 4S2 D.11 2.d3 3.70 IS� 536 6t� 6.90 <br /> 3 330 456 S.!! �32 O.D6 275 lS7 l35 5.08 5.79 6.�5 <br /> 4 �A1 l�6 i25 7.D9 9.72 26S 3.15 1.17 �81 5.46 6A6 <br /> 5 �53 SAO 667 eS7 ]OT) 261 333 4.00 �.62 5.19 ST <br /> 6 366 5.26 711 938 12Q7 254 3.23 3.b5 �41 �.93 S.tl <br /> 7 3.50 5.56 7.69 1a34 13T! 2.t8 3.12 ].90 1.23 l70 5.13 <br /> B 3.95 S.Ed 6.37 1154 15.91 2l2 7.Q! 3S7 1.05 l.t9 l�B <br /> 9 1.11 6.25 9A➢ 13.0� 18.92 236 241 3.15 3.90 l30 4.65 <br /> 10 429 6.67 l0A 15.00 233� 231 286 333 3.75 �.12 4.0 <br /> �� 4A8 7.1� 11.11 17.65 30.4J �b 2�d 3.23 7.61 3.95 �26 <br /> 12 4.6A 7.69 1750 21.43 l775 221 270 3.12 3.19 3.80 �.OB <br />