:
:
:
[1] . 140:
:
:
:
[1] . 140:
| . |
| . |
| 14 12 000 00 |
10.1
| . |
| . |
| 14 12 000 00 |
10.2
| . |
| . |
| 14 12 000 00 |
-:
1, .1 [1] c.192: =30800 ;
| . |
| . |
| 14 12 000 00 00 |
; (10.1)
; (10.2) 
;
;
:
(10.3)
, 
.
;
;
:
, (10.4)
, , 
; [1] c.145;
, 
.
:
; (10.5)
;
;
, 
; 
, 
.
:
(10.6)
;
.
:
[1] c.143:
| . |
| . |
| 14 12 000 00 00 |
;
;
:
;
;
(10.3) ,
,
:, 
[1] c.141:
(10.5) :
:
43,2H>14,83 H .
|
|
|
, , .
[1] .11.4. (. [1] .11.4).
- ,
- ,
:
= 80 7= 73 , 70 .
: b=16, h=10, t1= , t2=4,3.
:
= 56 7 = 49 , 50 .
: b=10, h=8, t1=5, t2=3,3.
:
= 80 7 = 73 , 70 .
: b=14, h=9, t1=5,5, t2=3,8.
[1] 11.4:
(10.9)
- , 
- , 
- ,
- ,
, 
- ,
z- .
- 110-190,
50-80,
:
| . |
| . |
| 14 12 000 00 |
:
:
10.5.
| . |
| . |
| 14 12 000 00 00 |
. 
=1,5 2,5. [1] 11.5:
, (10.10)
, 
- .
:
1. .
2. (, )
3. , [1] c.149:
, (10.11)
- [1] . 11.5;
- ;
(10.12)
(×)
(10.13)
ψσ=0,1- [1] . 11.5;
;
[1] . 11.6;
[1] . 11.7;
1. ( ) [1] c.149:
(10.14)
t-1 [1] . 11.5.
ta .
(10.15)
tm ;
(×)
Wp (3)
|
|
|
:
(10.16)
| . |
| . |
| 14 12 000 00 00 |
:
.
: 40 [1] . 11.5:
3
.
σ = 1,63 [1] . 11.9;
d = 0,99 [1] . 11.6;
V = 1 [1] . 11.7.
t-1= 195 .
3;
d = 1,80 [1] . 11.6;
τ = 0,77 [1] . 11.9;
V = 1 [1] . 11.7;
Ψτ = 0,1- [1] . 11.5.
[S] = 2.5.
.. S >[S], .
:
.
: 40 [1] . 11.5:
3
| . |
| . |
| 14 12 000 00 00 |
.
σ = 2,15 [1] . 11.9;
d = 0,77 [1] . 11.6;
V = 1,25 [1] . 11.7.
t-1= 195 .
3;
τ = 1,3 [1] . 11.9;
Ψτ = 0,05- [1] . 11.5.
| . |
| . |
| 14 12 000 00 00 |
[S] = 1,1.
.. S >[S], .
10.1
| 4,1>[1,1-2,5] | 19547<30800 | 110<[110-190] | |
| 6,375>[1,1-2,5] | 14837<43200 | 58,3<[110-190] | |
| 137<[110-190] |
