1696
.pdf2.1:
- , |
1400 . |
- |
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- |
20000 . |
- |
7000 . |
2.2
,
, , -
.
(N, .) ,
-
( 1000 ) , .
N=A·n /1000, (2.1)
; n- 1000 .
N = 16000·150 / 1000=2400 .
, TP -
, -
N = N ·K , |
(2.2) |
=0,75- ,
.
N=2400·0,75=1800 .
400 -
.
, -
1400 .
12
2.3.
, TP
. 1) TP ( . ). T = (N ·L ·t)/1000 ,
(2.3)
N - , L -
, . t- TP, .
./1000 .
T =(1400·20000·2,7) /1000 =75600,
2) . T = N ·d ·t . ,
(2.4)
d- , t -
, . .
, :
= 1 4 0 0 ·5 ·0 , 2 = 1 4 0 0
, .
3400 .
-
3000, . |
t |
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=3000·0,2 = 600, |
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, , , - |
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. |
=t + t ., |
(2.5) |
. |
= 1400 + 600 = 2000, |
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3) , . |
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= + . |
(2.6) |
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=75600+2000=77600. |
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13
2.4. TP
2.4 TP
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% |
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2,6 |
2000 |
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5 |
3780 |
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25 |
18900 |
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TP ) |
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4,0 |
3024 |
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5,0 |
3780 |
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5,0 |
3780 |
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4,0 |
3024 |
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3,5 |
2646 |
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0,25 |
189 |
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1,5 |
1134 |
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5,0 |
3780 |
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7,5 |
5670 |
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10,0 |
7560 |
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0,5 |
378 |
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78,0 |
57718 |
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( ) |
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- |
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5,0 |
3780 |
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2,0 |
1360 |
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3,5 |
2646 |
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5,0 |
3780 |
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2,5 |
1890 |
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0,5 |
378 |
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8,0 |
6048 |
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22,0 |
19882 |
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100 |
77600 |
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14
2.5
( ) P P
:
P = Tir / ,
(2.8)
P = Tir / ,
(2.9)
Tir - . TP , .- ;
- -
, ;
- , .
-
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=8· ( .- ) |
(2.10) |
8 – , ; |
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.- - - , -
, .
= - 8 • ( + ) , |
(2.11) |
- - , -
.
= 12· (357/2)=2142 .
= 2142-8· (20+20)=1820 .
-
- 2142 , - 1820 .
2.5.
15
2.5
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Tir , |
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P |
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.- . |
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1- |
2- |
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2000 |
0,93 |
2,00 |
1,00 |
1,00 |
1,09 |
2,00 |
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3780 |
1,76 |
2,00 |
1,00 |
1,00 |
2,07 |
2,00 |
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18900 |
8,82 |
8,00 |
4,00 |
4,00 |
10,38 |
10,00 |
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TP ( |
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9450 |
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4,41 |
4,00 |
2,00 |
2,00 |
5,19 |
5,00 |
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4914 |
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2,29 |
2,00 |
1,00 |
1,00 |
2,70 |
3,00 |
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3780 |
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1,76 |
2,00 |
1,00 |
1,00 |
2,07 |
2,00 |
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3213 |
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1,50 |
2,00 |
1,00 |
1,00 |
1,76 |
2,00 |
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6048 |
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2,82 |
4,00 |
2,00 |
2,00 |
3,32 |
3,00 |
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7560 |
3,53 |
4,00 |
2,00 |
2,00 |
4,15 |
4,00 |
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TP |
59645 |
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30,00 |
15,00 |
15,00 |
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33,00 |
TP ( |
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3780 |
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1,76 |
2,00 |
1,00 |
1,00 |
2,07 |
2,00 |
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1360 |
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0,63 |
2,00 |
1,00 |
1,00 |
0,75 |
1,00 |
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9828 |
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4,59 |
4,00 |
2,00 |
2,00 |
5,4 |
6 |
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2646 |
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1,24 |
2,00 |
1,00 |
1,00 |
1,45 |
2,00 |
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1890 |
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0,88 |
2,00 |
1,00 |
1,00 |
1,04 |
2,00 |
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378 |
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0,17 |
2,00 |
1,00 |
1,00 |
0,20 |
2,00 |
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19882 |
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14,00 |
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15,00 |
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77600 |
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44,00 |
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48,00 |
16
2.6 -
.
-
,
, , , -
. -
20 % TP . T = 15520, . .
.2.6.1
. % -
, .
- |
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25 |
3880 |
- |
20 |
3104 |
, - |
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10 |
1552 |
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20 |
3104 |
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15 |
2328 |
- |
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10 |
1552 |
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100 |
15520 |
9 .
2.6.2
2.6.2
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% |
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25 |
2 |
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20 |
2 |
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17
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10 |
1 |
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20 |
2 |
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15 |
1 |
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10 |
1 |
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100 |
9 |
2.7
TP
/( ), (2.12)
-
, . . ; -
; ; -
.
2.7
- |
, . . |
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2000 |
1,15 |
3942 |
1,00 |
0,58 |
1,00 |
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3780 |
1,15 |
3942 |
1,00 |
1,10 |
1,00 |
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18900 |
1,15 |
3942 |
2,00 |
2,70 |
3,00 |
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TP ( |
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9450 |
1,15 |
3942 |
2,00 |
1,30 |
1,00 |
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- |
4914 |
1,15 |
3942 |
2,00 |
0,70 |
1,00 |
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3780 |
1,15 |
3942 |
1,00 |
1,10 |
1,00 |
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3213 |
1,15 |
3942 |
1,00 |
0,80 |
1,00 |
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6048 |
1,15 |
3942 |
1,50 |
1,10 |
1,00 |
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7560 |
1,15 |
3942 |
1,50 |
1,50 |
1,00 |
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59645 |
— |
— |
— |
— |
11,00 |
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18
2.8
:
Fai=fa·Xai·K , |
(2.13) |
fa - 2;
Xai - ; K - .
2.8.1 -
.
2.8.1.
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Fai , 2 |
Xai |
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FA, 2 |
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48 |
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3 |
6 |
144 |
TP ( |
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6 |
48 |
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6 |
48 |
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6 |
48 |
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48 |
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6 |
48 |
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8 |
2 |
6 |
96 |
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- |
- |
- |
576 |
2.8.2
Fy=f1+ f2·(PT-l), |
(2.14) |
f1 – , ; f2 – -
, 2; –
19
.
.
2.8.2.
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f, M2 |
f2, M2 |
Fy, M2 |
2 |
- |
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66 |
144 |
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2 |
40 |
26 |
72 |
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138 |
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1 |
18 |
15 |
18 |
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9 |
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18 |
12 |
60 |
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6 |
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5 |
18 |
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306 |
2.8.3.
1000 -
: - 32 2 , - 12 2 , -
- 6 2 -8 2, -
2 - 6 2 , -4 2.
2.8.3.
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48 |
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18 |
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18 |
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12 |
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12 |
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19.2 |
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6 |
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133 |
,
1,6 2 . 2.8.3..
20
2.8.4.
- ,
, -
( , -
TP, ,
).
-
(d, ) -
. |
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=N ·d· /( ), |
(2.15) |
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=1,1—1,5— -
; - , ;
=2- , .
=1400·5·1,15/357·12·2=0,93,
1 ;
,
.
=1400•5•1,15/357•12•2=0,93 ,
.
-
5-6 .
-
0,25-0,50.
.=0,5 · 2=1.
- - , ,
, .
21