-
1. .
2. .
3. : b = 300 , h = 600 ; a = 40 ; g b 2 = 0,9 ( ); = 200 ; 15 (Rb = 7,7 ); A-II (Rs = 280 ).
.
: ..
: . . _______________ (.. )
______________________2016 .
2
-
1.
2. . . .
3. : b = 300 , h = 800 ; = 70 ; A-III (Rs = 365 ); s = 2945 2 (6 Æ 25); gb2 = 0,9 ( ); 25 (Rb = 13 ); = 550 .
.
: ..
: . . _______________ (.. )
______________________2016 .
3
-
1.
2. .
3. : b = 300 , h = 800 ; = 50 ; -III (Rs = Rsc = 365 ); = 780 ; 15 (Rb = 8,5 gb2 = 1,0).
.
: ..
: . . _______________ (.. )
______________________2016 .
4
-
1. .
2.
3. : b = 300 , h = 700 ; = 50 , ' = 30 ; 30 (Rb = 15,5 gb2 = 0,9); A-III (Rs = 365 ); 
= 942 2 (3 Æ 20); = 580 .
.
|
|
|
: ..
: . . _______________ (.. )
______________________2016 .
5
-
1.
2. . (, , , ).
3. : b = 300 , h = 700 ; a = 70 , a = 30 ; 25 (Rb = 13 gb2 = 0,9); A-III (Rs = Rsc = 365 ); As = 4826 2 (6 Æ 32), 
= 339 2 (3 Æ 12); = 600 .
.
: ..
: . . _______________ (.. )
______________________2016 .
6
