Laserfiche WebLink
i <br /> • � r <br /> G. DOWNSLOPE DIKE WIDTH <br /> 1. If landslope is 2.9 % or less adsorption width inculdes both upslope and <br /> dow-nslope widths <br /> 2. Calculate Minimum mound size bsaed on geometery: <br /> a. Determine depth of clean sand fill at upslope edge of rock layer: <br /> Separation J- �r feet <br /> b. Multiply rock layer width by landslope 1 root cover <br /> to determine drop in elevation; t root Ro ad <br /> Slope Difference separation feet <br /> x - %+ 100 = - feet Upslope width s1ov. Difference t <br /> c. Add depth of clean sand for separation (2a) �-�-feet <br /> p p Rock Bed width/n <br /> at upslope edge,depth of rock layer (1 foot) to �feet Downslope width <br /> depth of cover(1 foot) to find the mound height at the - <br /> teat <br /> upslope edge of rock layer; /.S ft+ lft+ lft= 3•-< feet <br /> P Pe g Y � <br /> h landslope and upslope dike ratio. <br /> d. Enter table�nnt pi <br /> Select dike multiplier of 9 <br /> e. Multiply dike multiplier by upslope mound height to find <br /> upslope dike width: 3 .S x�_= 1�- _feet <br /> P Pe <br /> f. Add depth of clean sand for slope downslope e difference (2b) at <br /> P P Pe edge, to <br /> the mound height at the upslope edge of rock layer(20 to find the <br /> downslope height; ft+- ft = feet <br /> g. Enter table with landslope and downslope dike ratio. <br /> Select dike multiplier of <br /> h. Multiply dike multiplier by downslope mound height to get <br /> downslope dike width: 'x-- - - = feet <br /> i. Minimum mound width is the sum of upslope dike width plus rock <br /> layer width plus downslope dike width; <br /> feet <br /> UDslope W1Eth <br /> j. Subtract the minimum width (2.0 from the 1 feet <br /> _ . <br /> adsorption area (F.4) to find the additional Reck Sep Width <br /> downslope area for adsorption ( )otsl�r..t <br /> upslope wlotn uvsl pe Width <br /> ft 7. ft= feet ;.� i -feet feet <br /> k. Add the additional width (2.j ) to the M <br /> downsolpe width and recalculate ' E <br /> Downslope Width <br /> the total width f'•` <br /> eft+lft + IL4 _ft= feet <br /> E <br /> 1. Total mound length is the sum of € <br /> upslope dike width plus rock laver length <br /> plus upslope dike width: <br /> Total Length <br /> 14ft+_Ja5�_ft+ _ftfeet <br /> Downslope UPSIOPe <br /> 3:1 4:1 5:1 6:1 7:1 3:1 4:1 5:1 6:1 7:1 8:1 <br /> I <br /> %slope <br /> 0 3.0 4.0 5.0 6.0 7.0 3.0 4.0 S.0 60 7.0 8.0 <br /> 1 3.09 4.17 516 6.35 753 2.91 3.85 4.76 5.66 634 7.41 <br /> 2 3.19 435 556 6.& 8.14 183 3.70 454 536 614 6.90 <br /> 3 330 454 5.88 7.32 6.86 275 357 435 5.05 5.79 6.4.5 <br /> 4 3A1 4.76 625 7.89 9.72 2.68 3.45 4.17 4.84 5.46 6.06 <br /> 5 353 5.00 667 6S. 10.717 2.61 333 4.00 4.62 5.19 51-1 <br /> 6 3.66 5.26 7.14 935 12.07 234 31:1 3.85 4.41 4.93 SAl <br /> 3M 556 7.69 :034 13.73 2.48 3.12 3.70 4Z3 4.70 5.13 <br /> 6 3.95 5.88 833 1154 15.91 242 3.03 3.5� 4.05 4.49 4.88 <br /> 9 4.11 615 9.09 13.04 18.92 2.36 294 3.45 3.90 430 4.65 <br /> 10 429 667 10.0 15.00 2333 2.31 2.86 333 3.75 4.12 4.44 <br /> 11 4A6 7.14 11.11 1755 30.43 226 278 323 3.61 3.95 426 <br /> 12 4.69 7.69 12.50 21.43 33.75 2.21 27C 3.12 3.49 3.80 4.08 <br />