3.1 .
. 6.1.
:
2 = 954,2 ∙;
d = 85,5;
2 = 71 ;
() 45.
2 = 954,2 ∙ (. 6.2).
49[. 10] d = 85,5 : = 25 , h = 14 ,
t1 = 9 , t2 = 5,4 , ℓ = 2 (58) = 71 - (58) = (6663) .
( 49 [.10] ℓ = 63 .
ℓ = ℓ - = 63 25 = 38 .
3.3
σ = [σ],
σ = /2,
[σ ] = (110190) /2 .
,
σ = 117,5 /2 < [σ] = 110190 /2 ( );
τ = [τ ],
τ = /2,
[ τ ] = (4070) /2 .
,
τ = 23,5 /2 < [ τ ] = (4070) /2.
7
, .
. : .
, , , . - () (. 7.1).
. 7.1. -
:
1 , ͷ;
ω1 , -1;
n1 , /.;
d , .
= ·,
. =1,52,0 ( 48 [.10]).
:
≤ [],
[] ( 47 [.10].
:
σ = ,
z - ;
, ͷ;
d , ;
ℓ , ;
[σ] = 2/2 .
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