-
( / )
: .
.
207802 936 01.01.06 (7)
..
..
-
.
.
.
1. . 4
2. ,
5-7
3. -1. 8-12
3.1. , 8
.
3.2. . 9
3.3. . 10-11
3.4. . 12
3.5. 1 14
4. . 15-19
4.1. , 16
.
4.2. 16
4.3. 17
4.4. , 18
.
4.5. . 19-20
4.6. 21
5. . 22
( 3 185x55).
6.1. 1 1
6.2. 1 2
6.3. 1 3
6.4. 1 4
.
/ .
, . .
/ .
1.020 (-04) .
1.020 0 , , , , , ..
, , ..
, , , ..
.. (), .
|
|
.
.. . .. .
.
300300 5- , 400400 5- . min 400 (. 1.020).
150150.
(II) -300,(AIII) -400
(I) -240
1.020
.
20, -300. -240. -500.
. 80. 120.
130.
-1
( . )
| = | - 120 - 80 = 5100 - 200 = 4900 =4.9
(l - , )
lef = lk - - = 5100 - 100 =5000 = 5
(lef - )
-1
I k = l - 80 - 120 = 5300 - 200 = 5100
(I k - () )
min 26+15 = 41-45
min 26
.
2 :
I.
.. lef = 0.16,
, -1 4-200/3-250
B500
, .
1 - , 1 - , .. .
II.
1. 1 2 :
qn | Yf | q = /2 | ||
1,2 | ||||
1,2 | ||||
1,1 | ||||
,3 | 1,2 |
∑ q /2 = 9640 /2= 9,64 /2
2. 1 .. .
bn = 1190 + 10 = 1200 = 1.2 . -
q(H/) = q(H/2)xbn = 9640*1,2 / = 11568 /=11,57 /
3. "Qmax" "Mmax"
max= = = 36,16 H x
Qmax= = = 28,35 H
0 -> -> As -> d
: d
4. .
=
h0=h-a=220-30=190 =0,19
, .. .
|
|
b=∑ =527+2(47,5-15)=200
5. ..
max ≤ Rb x bf x hf x (h0 - )
Mmax=36,16 < 11,5 * 106 * 1,16 * 0,03 * (0,19 - )= 70,04 *
=70,04
20 | Rb = 11.5 = 11.5 * 106
Rbt = 0.9 = 0.9 * 106 . 63.13330.2010
- .. , bf = 1.16
6. 0-?
0= = =0,075
A0 < Aor
Aor = 0.408 (All) A300
0.075<0.408 -
7. ŋ -?
0 ---> ŋ
0.075 ---> 0.935
8.
As= = =0.734 x 10-3 2=7,34 2
4 16 (II)A300;
s> s
8,04 2 > 7,34 2 -
2
: ( (S) .
9. ,
,
10.
,
11.
|
6 ≥ 5
A240 (6; 8; 10; 12 )
12.
S = 100 ≤
(. 25, 50) 150
13.
14.
15.
16.
17. ,
18.
28.35 <36.6+20.5= 57.1
6, S=100
/ -