Laserfiche WebLink
G. DOWNSLOPE DIKE WIDTH <br /> 1. If landslope is 3% or more,subtract rock layer width from <br /> adsorption width to obtain minimum downslope dike toe <br /> 24 ft- /0 ,ft= /( feet <br /> 2. Calculate Minimum mound size based on geometery: <br /> a. Determine depth of dean sand fill at upslope edge of rock <br /> layer: Separation , / feet <br /> b. Multiply rock layer width by landslope root Cover,. <br /> to determine drop in elevation; I`foot•Ro :ed <br /> Slope Difference separation feet 3rL/ • <br /> jt) x '/o+ 100 =0j ifeet X31 widen SI pe Difference •I •e: <br /> c. Add depth of clean sand for separation (2a) feet Rock Bed Width <br /> at upslope edge,depth of rock layer(1 foot) to depth of IA_feet Dow? pe Width <br /> cover(1 foot)to find the mound height at the upslope edge feet <br /> of rock layer; /4, <br /> ft + lft+ lft 6 feet IIS 3 <br /> d. Enter table With With and u slo_p�e dik ratio. a' <br /> Select dike multiplier of 3s 0 1 .' //. <br /> • e. Multiply dike multiplier by u slope mud height f! 9- <br /> to find upslope dike width: x 3,I= e /q 3.1�` 3? j <br /> f. Add depth of dean sand for slope difference(2 )at a, <br /> downslope edge,to the mound height at the upslope edge (o ,n K f <br /> • of rock layer (2c) to find the downslope height; \- <br /> c� ft+ .11 ft= Elli3I�'( feet "' <br /> g. Enter table with landslope and ddwnslope dike ratio. o ., <br /> '' <br /> Select dike multiplier of 4, 7' . �, °S.% T <br /> . h. Multiply dike multiplier by downslope mound heigh0 /° ?!3' <br /> to get downslope dike width:3 •it x 76 = ,« e ' <br /> i. Compare the values of step G.1 and Step G.2h Select thecy*-6pSo/ <br /> greater of the two values as the downslope dike width; -77/ <br /> /7 feet <br /> j. Total mound width is the sum of g feet ` h ^' �h}rt <br /> upslope dike (G.2e)width plus rock <br /> iliWfaill <br /> • <br /> <:layer width (D.2)plus o sloe wiotn �: <br /> ti <br /> ps <br /> ooi:� <br /> ew;':: <br /> ' <br /> downslope dike widthG.2i1/ � / __cut : < � ,r f. <br /> 1.3 <br /> .3 •' Yf YY•: S / ONS %} ::' <br /> i <br /> tt0 /7 t � feet :: ; " : , 44w} ? J � ry4a.vi::» 51 » > iy'ii;:;,,::a?.;,J.}rif i,i;•::Downs IM!width:'.:*. y? F:5 •?;i:::.}w .,k. Total mound length is the sum of 3g � < »: : > ::} < �n <: feet � , �i �: » i <br /> upslope dikewidthG.2elus rock layer4n :: ? : i . h. i >> « <br /> length(D3)plus, upslope dike width (G.2e); <br /> / p , <br /> f1 ft+ Srft+,Ii ft = 77 feet <br /> Ii / 17 `f Sr /7 • Y? Total length t�j <br /> Downslope Upslope (J • <br /> 3:1 4:1 5:1 i1 7:1 3:1 4:1 5:1 6:1 7:1 8:1 014A%".1 <br /> 16 slope <br /> 0 3.0 4.0 5.0 6.0 7.0 3.0 4.0 5.0 6.0 7.0 8.0 <br /> 1 3.09 4.17 5.26 634 753 2.91 3.85 4.76 5.66 6.54 7.41 J <br /> 2 3.19 4.35 C56 482 8.14 217 3.70 • 4.54 5.36 6.14 6.90 <br /> 3 3.30 5.88 7.32 8.86 2.75 4.35 5.08 . 5.79 645 '\ <br /> 4 3 4S)9 6 7.89 9.72 268 . _41L_..... 484 3.46 6.06 <br /> 33 <br /> 857 10. 1 4.00 4.62 5.19 5/1 V <br /> 6 3.46 526 7.14 9.38 12.07 2.54 3.23 3.85 4.41 4.93 541 <br /> 7 3.80 556 7.69 10.34 13.73 2.48 3.12 3.70 4.23 4.70 5.13 <br /> 8 3.95 5.88 8.33 1134 15.91 2.42 3.03 357 4.05 4.49 428 <br /> 9 4.11 6.25• 9.09 13.04 18.92 2.36 294 3.45 3.90 4.30 445 <br /> 10 429 6.67 /10.0 15.00 2333 2.31 2.86 3.33 3.75 4.12 444 j' x <br /> 11 41.8 '7.14 11.11 17.65 30.43 2.26 2.78 3.23 3.61 3.95 426 <br /> 12 449 749 1250 2143 43.75 2.21 2.70 3.12 3.49 280 408 (/) <br />