. . 16.5 × 65 . 6.5 . 3 + 4.5 + 9 . 5- . 3.0 . . . . 4.0 /2. , 3.0 /2. . 1.5 /2. 1- 1- .
.
. . . . . .
. .
. () . : ; . . 3 (X, Z, UY). XOZ. .
34.59 5 3 .1.1
.1.1.
.1.2:
-
-
- XOZ
.1.2. .
-
bh = 3535 ; (): b = 15, h = 50, b`f = 35, h`f = 25. 15, = 2.34 .
(.1.3).
.1.3.
.1.4.
.1.4.
.1.5.
.1.5.
32 .1.6
|
|
.1.6. 32
, .
( )
P=F*Ro=0.1252*2.75/3=0,34375/.
. . 7- . 7 .
:
.
.
32 .1.7
.1.7. 32
, , , , ax = bx = h/2 = 0.175 .
. . :
0.35 0.175, -0.175.
.1.8.
: .
.
. (27.5 /3) 1. 6.5 :
. 4.0 /2.
, 3.0 /2. . 1.5 /2.
, (6.5). .
( 1)
g1=4 /2*6*1.1=26.4 /.
( 2 )
g2=3 /2*6.5*1.2=21.6 /.
( 3 )
v=1.5 /2*6.5*1.2=10.8 /.
( )
v=0.8 /2*6.5*1.14=5.472 /.
0.35 /2.
W1=0.35 /2*6.*1.4*0.8=2.352 /
W1=0.35 /2*6.5*1.4*0.6=1.764 /
, , .
|
|
.1.
1.
. | . . | . | ||||
1 . | 2 . | |||||
. | g1 | 26.4 | / | 1.0 | 1.0 | |
. | g2 | 21.6 | / | 1.0 | 0.95 | |
. | v | 10.8 | / | 0.9 | ||
. | v | 5.472 | / | 0.9 | ||
. | W | 2.352 | / | 0.9 | ||
. | W | 1.764 | / | 0.9 |
:
.
, .1.9.
. 1.9.
.1.10
.1.10
. 2.