|
1 �� �
<br /> G. DOWNSLOPE I��WIDTH '
<br /> 1. If landslope is�6 �atore,subtract rock layer width from
<br /> adsorption width to obtain minimum downslope dike toe
<br /> 2L,7 ft- 1 d 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�• �.o feet
<br /> b. Multiply rock layer width by landslope �<re�c re�.r
<br /> to determine drop in elevation; .. . : Yeoc Ro ea
<br /> $jOpCDif�CJ'B11C8 s�oenfite� . Y��t' :
<br /> 1�X�%+100= .� feet ` s�ev orrr.�.r��� t
<br /> uv:ioo.wiatn
<br /> c. Add d th of clean sand for se aration (2a) -�-re•� `
<br /> eP ., . , P Roek eea wiacn
<br /> at upslope edge,depth of roCk layer(1 foot) to depth Of 1Q_teet DownsloDe W1at�
<br /> cover(1 foot) to find the mound height at the upslope edge �r°°`
<br /> of rocic layer;
<br /> �.o ft+ lft+ lft= 4.a feet
<br /> d. Enter�table with landslope and upslope dike ratio.
<br /> Select dike multiplier of 3.4 S
<br /> e. Multiply dike multiplier by upslope mound height
<br /> to find upslope dike width:3.y.� x�Q__��feet
<br /> f. Add depth of clean sand for slope difference (2b) at
<br /> downslope edge,to the mound height at the upslope edge
<br /> of rock layer:(2c) to find the downslope height;
<br /> ..
<br /> ."`.�l,o fE+ ,y ft= �.�J feet
<br /> g. Enter table with landslop�and downslope dike ratia
<br /> Select dike nlultiplier of y ,� L
<br /> h. Mul�iply dike multiplier by downslope mouncl height
<br /> to get downslope dike width:; 4.�� x 4.u =�a L,f,eet
<br /> i. Compaze the values of step G.1 and Step G.2h Select the
<br /> greater of the two values as the downslope dike width; �3
<br /> ._ . .a � .:........
<br /> , _ eet ���<>����< <:,::w��.v .:a�::;���:�>��� �., �::.»:.
<br /> :�; '3.3. �.«zx�49£�'••> ;.;;•:: �<;,�•: r,A:',iEi.;:::;:
<br /> " UOi100�M10t11 #��':''••. s fi,`:#,�•ri£.C;.
<br /> `.<c;y::> :9,%:'. fr�'x.':$h;i•.':::
<br /> j. Total mound width�is the sum of �s�t �•�t Y�°����
<br /> i y�.. '•Yr4�.'•:
<br /> .�Xj , .,{�S�.S?;.
<br /> upslope dike(G.2e)widtti lus rock ''� ` A':'fi:�
<br /> P �:� -�opk ��wwin ..•.F:{�,,�;
<br /> ,,.v.,...,::::::.::
<br /> layer width (D.2)plus ` ...�:.".�.:.V:", r••`
<br /> o uosioo.w�atn osioo.wia�n
<br /> _
<br /> t��t ................. ....,:.....: ::.::.-:: :..:::_:::;.......:.::.:
<br /> re�t
<br /> downslope dike width(G.2i); 3 :>:°�� ,.� `�.�:. � � : ��'�� �<<;%�<�r::�
<br /> e ;�,;� ;,.:x... .,�, x. .•r �.•:�•:.::.,:,,,{>•'
<br /> ss}: � •,,,>,;;:,<••, . �:::•,":: f
<br /> / o :�f,:�'>S,�fi.:<• ::M1.r�o-. ••,:::£:� :?:;:;:•:{;r:;x;;�:'�}`:5::<;:`^":::>.,5:{
<br /> + + a ft= feet � .:;:�" �..,�<.. ��';: �..w . ..�.:.... ..r,�<.>:>::>.;.
<br /> /�. � .•' • .'o:F:.:•:•,>:,:;.:...;.:::z::::•.
<br /> 14 ft ft �• :><,:��`:� <::�: �� �� .,.>...�:.�>,.�:�,�>k»:�.:.�.�>�::.>::;<::,<:<...,�;..,>�.;::.>:.;<::;:�;,
<br /> Ns `�::?�:'y:;; ;: "`3'''�. •"'•Downslo0�W10t�. �>�?'%;..3::;r;,;�':.#•',.::?:'>;^��,':
<br /> k. Total mound len is the sum of :� �„#� � ��:�. � R� 'r��'.{n'
<br /> ,. ��' °�3��f��t .::,s,:::;.., : . . k yl.S'••
<br /> �iu �y`�::�4tid..`.';:
<br /> ,::>:...�"�^.:. y::<:•.,•
<br /> u slo dike width(G.2e) lus rock la er �r �� � ����;:�� :>�`��'� >� ..;:��:::::>
<br /> P Pe :�.>. '. . ..:.>k:,�:�.
<br /> P Y . $,;. ��'.����' �:::::<:>;�,�
<br /> length(D.3)plus upslope dike width (G.2e); ��°`„ .�: �.�.:Y:�:;:;:«<:>v{{,:��r�,�::.<,:::r.$
<br /> "�` �.��,:,.,�;.:: :>.>,.;..:.. ...<>;:.
<br /> :�%• . '�:'.,4'�>• ;�:?;S'iR#a�'e;b• a..v<y:::;;:::::>:;
<br /> S ;o# '`::' .::•.;•::y;:,`r.,+.o,l.,',+.::;'•:::........
<br /> �_ft+�ft+��ft= �£�feet ��:��'.>;;�:���: � ...�..�<rx.:.,:. v >:x::€��`��::::.:<:.::<:::<:::;: f.x:.;;::..::
<br /> <K � � .
<br /> '�f;:•.... ,,.r.0::::ii::: . ..'w;:i'r,}S,;i:;{::•,i:ti.�:?.......... .:v.;'ry;i?.�{ii:.:;i.
<br /> �1 5S -�- �1 . �7.. _ -
<br /> TOt01 l�nptll
<br /> ope ps ope
<br /> �:t �i s:i ei �:i 3:� 4:i s:i �� �a aa
<br /> s
<br /> 0� 3A 4A SA. _ 60 7.0 3.0 4.0 5.0 GO RO 8A
<br /> 1 3A9 4.17 S.Z6 63b 753 291 3.bS 4.76 5.66 65� 7A1
<br /> 2 3.19 435 556 682 &14 LS! 3.70 �.51 536 i14 6.90
<br /> � 390 4S1 S.!! 7.32 b!6 275 �3S SA6 5.79 6.tS
<br /> i 311 (7t'� .¢�__,_7.D9 9 Z68 __� l.17 �.l1 SA6 6A6
<br /> 5 353 5.00 667 �5"l-�-- 10.77 L61 3.33 400 L62 5.19 S71
<br /> 6 3.66 S�6 7.1{ 93t 1207 7S1 7.23 3.85 �A1 �.l3 5,11
<br /> 7 3J0 5S6 7.69 103� 13.73 2�8 3.12 3.70 421 �.70 513
<br /> 8 3.96 S�6 833 1151 1591 242 3.Gi 337 � �A9 �lB
<br /> 9 �11 6�5 9Ai 13.01 1l.92 236 29i 3.15 3.90 L30 4�6
<br /> 10 �Zi 6:67 IOA 15.00 2333 731 ].!6 333 7.75 L12 �.{{
<br /> Il 4.Y 714 11.1,1 17.65 30A3 21b 27d 3.2! 3.61 3.95 �
<br /> 12 469 7.N 1250 21A3 �3.75 231 270 3.12 3.�9 3.lD 4A6
<br />
|