Laserfiche WebLink
-G. • • DOWNSLOPE DIKE,WIDTH <br /> 1. If landslope is 3% or more,subtract rock layer width from <br /> adsor" tiofi*idth to obtain minimum downslope dike toe for <br /> absorption: <br /> 2-V? ft- 10 ft= 1 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 A D feet <br /> b. Multiply rock layer width by landslope to determine drop <br /> in elevation;Slope Difference , <br /> IC, x %-i- 100= L, feet <br /> c. Add depth of clean sand depth of clean sand for C6.d Sal <br /> separation at upslope edge(2a) to depth of rock layer to i <br /> rock depth and the depth of cover to find the total mound W,'' <br /> height at upslope edge of rock layer; <br /> ft+ 1 ft+ 1 ft= 3,c) feet <br /> d. Enter table on page bottom with landslope and upslope 5�, ;j <br /> dike ratio. Select dike multiplier of <br /> e. Multiply dike multiplier by upslope mound height 3 •° 'Z' 's? <br /> to get upslope dike width: 3.G x =2 D feet 3.3 :c Li <br /> f.Add the depth of slope difference(2b) to the upslope <br /> height to get the downslope height <br /> 3.0 +,A _= 3" feet <br /> g. Enter table on page bottom with landslope and <br /> downslope dike ratio. ' <br /> Select dike multiplier of S,a <br /> h. Multiply dike multiplier by downslope mound height <br /> .to get downslope dike width: 3.(, x_L.-)t, =_L_L feet <br /> i. Compare the.values of step G.1 and Step G-2-h- Select the <br /> greater of the two values as the downslope dike width; <br /> I ct feet ►�' <br /> j. Total mound width is the sum of upslope dike <br /> plus rock layer width plus downslope <br /> » �'i• ::"':.'•.`•:•:•::•:`•.:-•:•.:•.:•'::.:.:.: <br /> width p ,::;•:::;;• <br /> ' dike width; ••- • ::;..; <br /> +►b-*K=3to Y ft+` /o= ft+ /� ft= 3�feet u Dike idth <br /> k. Total mound length is the sum of upslope _•• <br /> dike width plus rock layer length plus wldti' <br /> upslope dike width; , `` �' ���'� •'�'�" `'' <br /> ate'. 'ft+ 5 5 ft+ To <br /> /o ft= ?& feet <br /> t _ r tal Length ej <br /> 3:1 LI 5:11 6c1 7.1 3.1' 4:1 X18 61 71 81 <br /> %awe <br /> 0 3.0 4.0 5.0 6.6 7.0 3.0 60 S.0 60 7.0 8.0 <br /> 1 30 :617 5.26 G38 753 2.91 385 4.76 5.66 654 „7A1 <br /> 2 319 '„ 435 S56 6.82 8.14 283 454 536 6 90 14 6 <br /> 330 886 275 ge> 435 : 5A8 S29 6AS <br /> 411 SW7_Q <br /> 6 675:,, . 't7.6 ... 972 . :. 417: 484 546 606 <br /> 5 353, '- SAO'.:. 667;, "857 1077 261 333. 600 4.62 5.19 5.71 <br /> 7IZ07 -2 3.85 4.41 693 5.41 <br /> 7 380 S 6 7.69, 1034 ( •1373 248 312 370 473 470 513 <br /> 83.% '. 588.: 833 1154 1591 242 3.03 , : 357, 605 449 48B <br /> 9 13.04. : 1892 236.. %, 3.45,;. ; 3.90 - 430 US <br /> 2333 2.31 Z86 .'_,` 333 375 612 644'." <br /> Il 4Ad 714_ 1111 1766 3043: 226 278 3.73 3A1 3.95 626 <br /> 32 -10 7.0 1250 21A3 4325 221 . .70 3.12 3.49 3.80 4A8 ; <br />