F
5 .14-rasm.
n >
E z ilm a s lik shartidan;
n > ,
H
F
n d 2
n
= 3 .
n - 2 .
KT
U c h ta p a rc h in m ix q o ‘ y a m iz .
B u rc h a k lik b ila n lis tn in g u z ilm a s lik s h a rtin i te k s h ira m iz ;
B u rc h a k lik n in g k o ‘ ndalang kesim yu za si
As = 9 , 8 7 s m 2.
L is tn in g k o ‘ ndalang kesim yuzasi
A
= 8 ,0 T , 2 =
9 ,6 s m 2
c r, = —
= 8 8 ,0
M Pa <
[c r ] >
As
S d
A1
-
S d
D e m a k , m u s ta h k a m lik ta ’ m in la n g a n .
© ' О О
5 .15-rasm.
5.3-misoL Kengligi b = 27 sm,
qalinligi
5 =
1,6 sm bo'lgan ikki list
diam etri d = 2,5 sm bo'lgan 8 ta
parchin
mix
bilan
ustma-ust
biriktirilgan (5,15-rasm). Bu birikma-
ning xavfsizligi t a ’minlangan holda
1*
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