Laserfiche WebLink
Calculation for the Water Pressure on the Sliding Surface <br />U = I /2 yW • ZW (H-Z) cosec ~p <br />U = I /2 62.4 48.5 (80.4 - 48.5) cosec 61 ° <br />U 55, 190.9 <br />Calculation for the Water Pressure in The Tension Crack <br />V = 112 yW•ZW2 <br />V I /2 62.4 (48.5)2 <br />V = 73,390.2 , <br />Calculation for the Weight of The Sliding Mass <br />W = I/2 yH2 [(I-(Z/H)2) cot y+p -cot >Vf] <br />W I/2 (160) (80.4)2 [ (I-(48.5/80.4)2) cot 6t° -cot 85°] <br />W 137,098.3 <br />• Factor of Safety Calculation <br />F - cA + (W•cos yp - U - V•sin gyp) tan ~ <br />W•sin yp + V•cos gyp <br />F = 30,000(36.5) + (137,098.3 cos 61°-55, 190.9-73,390.2 sin 61°) tan 37° <br />137,098.3 sin 61 ° + 73,390.2 cos 6,1 ° <br />F - I ,095,000 - 39,872.7 <br />119,908.9 + 35,580.3 <br />F = 1,055,127.3 <br />155,489.2 <br />F 6.79 <br />F = 6.8 <br />• <br />Revised 3/82 3.5C-4 <br />