:
- Q = 2841,4
- 18 = 4 ., = 254 , b = 210 , h = 180
Q , , , Q.
, : Qh = M; = Q(l+b/2) Q.
䳿 , , .
³ (3.11)
1Z1a = kQh, (3.12)
1 ;
Z1 = 2 ;
k = 1,1 .
:
(3.13)
:
³
, (3.14)
2 ;
z = 4 ;
l = 200 ;
f = 0,1 ;
l1 .
(3.15)
= 1,1
. (3.16)
(3.17)
, (3.18)
3 ;
f = 0,1 ;
z = 4
. (3.19)
, 䳺
0 = 1 + 2 + 3 = 1107 + 14461 + 7814 = 23382 . (3.20)
г
, (3.21)
b = 1,3 , .
d1 = 15,527 .
[sp] 35,[sp] = 240 /2.
/2.
, s < [sp] .
, :
1) ( 14), 3
m 1 = 1,070312,3 = 39,483 (3.22)
2) ( 16), 2 :
M 2 = 3,740214,2 = 106,216 (3.23)
3) :
m 3 = 0,8300,8600,015 7800 =83,515 (3.24)
4) :
M 4 = 0,3220,8600,0157800 = 32,399 (3.25)
5) :
m 5 = 0,2000,8600,0157800 = 20,124 (3.26)
m = m 1 + m 2 + m 3 + m 4 + m 5, (3.27)
m = 39,483 + 106,216 + 83,515 + 32,399 + 20,124 = 282
璺
, :
F = 2 /(d z ), (3.28)
, ͷ;
D , ;
Z ;
, = 0,70,8.
F = (2400103)/(100140,75) = 761,9
:
= F /(h l) [ ], (3.29)
l , ;
h , ;
F , , .
[ ] , [ ] = 100140 (/2).
|
|
= 761,9/(4 130) = 1,4 <100
.
:
= 2 /(d t l) [ ], (3.30)
, ͷ;
d - , ;
t , ;
l , .
= (2 400 103)/(108 6,4 100) = 11,57<100
.
:
. = 2 /(d b l) [ .], (3.31)
[ ] - , [ ] = 6090;
d - , ;
b , ;
l , .
= (2400103)/(10828100) = 2,6<60
.
4. Oopoa pai