1) :
b=_______
Rb= ______
Rbt= ______
γb2=0,9
_____:
Rs=______
______:
Rs=_______ ; Rsw=_______
500
2) :
=_____ =_____.
= 20 =_____________
h=220.
30.
, .
:
15 :
_________-15=_________
159 .
:
: -31
-30
: 
=________________ .
1450
.
12
| / | /2 | . γf | . /2 | ||
| : | |||||
| h =0,11 p =2500 /3 | 1,1 | ||||
| gn = | g = | ||||
| : | |||||
| n = | P = | ||||
| : | qn = | qn = | |||
1
n = ____
q = qn∙ Bn = __________=______ /=________/
.
10 10
.
:
= 
| q |
| l0 |
=
| Q |
=
| + |
| ̻ |
| - |
.
. , :
h1 = 0,9d = 0,9∙15,9 = 14,3 = 143
: hf = h′f = 
= 
= 3,8 = 38
: b =________________________=________
|
|
|
: b′f =______
:
M = h′f = γb2 Rb b′f h′f (h0-0,5h′f) =____________________________=_____∙106 ∙=
=___________∙
: h0 = h-a = 22-3 = 19
.. Mmax = _________ H∙ < M =________ ∙,
,
b = b′f = __________.
:
:
As = 
= 
5) .
:
Qmax= __________ .
: 
.. 
.
> _______ S= 
= 
= 110 .
S = 100 dsw = ________ 240
5) .
:
Qmax= __________ .
:
.. 
.
________ ∅4500
100 
,
. , ,
, , :
-
:
.
