510 . 6,0 , 4,8 . b×h =400×400 .
. 6×6
2.
γn =1,0
:
.
5,25 /2:
.
=4,83=14,4 γn =1,0
.
:
,
.
(IV ):
,
.
. , . 
.
1+2 12=197,72 ͷ, . ( EI) i 2=1/4,8=0,2083. i 1=1,331/6=0,2217. :
ͷ;
ͷ.
0,5
1 = 101,940,5 = 50,97 ͷ.
( )
ͷ,
12 l :
ͷ;
|
|
|
ͷ.
1l = 86,190,5 = 43,095 ͷ.
.
