Table 10 - Values of (1.09 cos a - sin a) for Various 

 Brealjijater Slope s» 



Slope = 2 = -±— 

 '■ X cot a 



Slope ratio = cot a 



Slope Angle 

 (a in degrees) 



Slope Ratio 

 (cot a) 



Slope and Friction Function 

 (1,09 cos a - sin a)^ 



W^ 



1 



1;2^16 



1.1 



39^i;8 



1.2 



38^140 



1.25 



37"3ii 



1.3 



3S^ 32 



1.9 



33" la 



1.5 



32° 00 



1.6 



29"!;? 



1.75 



26^ ti 



2,00 



23^ ?8 



2.25 



21>8 



2.5 



K ^9 



2.75 



18° 26 



3.0 



17^ 06 



3.25 



1?"57 



3.5 



K ^6 



3.75 



U..° 02 



il.O 



13"lii 



Il.25 



12° 32 



9.S 



K^^ 



li.75 



11^19 



5.0 



10° 18 



5.^ 



9 28 



6.0 



8^/i5 



6,^ 



8° 08 



7.0 



7;; 36 



7.5 



7 08 



80O 



6^)43 



8.5 



6° 20 



9.0 



6° 01 



9.$ 



5^3 



10,0 



2.57 X 10"^ 



2.1a X 10"^ 



7,68 :c 10"-^ 



0.0116 



O.OI6I1 



0.0286 



0.0li38 



0.0613 



0.0912 



0.11i7 



0.205 



0.258 



0.315 



0,370 



0.iil8 



0.U62 



0.503 



o.5lii 



0.576 



0.608 



0.638 



0.66U 



0.711 



0,755 



0.792 



0.82I1 



0,86ij. 



O0878 



0.900 



0.921 



0,939 



0,955 



116 



