/ . . 8.18[2] 1. . 8 = 8.0 = 45 . = 90 . , .. .
F=1,25q/1 /V
V - , /, : V =0.1 -0.2 /.
q'- , 3/.
1,25 - .
- ,
=(c+a)/c
c - , .
a =8 - .
b :
c=bsinα
- .
α=45
b=0,078
:
K=(bsinα+δ)/bsinα=(0,055+0,008)/0,055=1,15
:
h=ξV2/2g=7,79*0,152/2*9,8=0,009 ...
V 25% .
ξ=7,49 , 135 25% .
F=1,25*1,1*0,22598*1,15/0,15=2,38.
.
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