L = 29; B = 8; H = 6; = 29*8*6=1624.
:
. 2.1.
:
L = 19; B = 5; H = 10; = 19*5*10=950.
:
. 2.2.
:
|
|
L = 39; B = 7; H = 3; = 39*7*3=819.
:
. 2.3.
:
L = 26; B = 4; H = 3; = 26*4*3=312.
:
. 2.4.
:
L = 1; B = 35; H = 18; = 1*35*18=630.
:
. 2.5.
2.2. .
: . 24 22. 24 l x b h - 1200800150 , g 25 G 1,0 . 22 16001200180 , g 80 G 2,0 .
, . .
, np, l*b
, 3.
|
|
3
- | - | - 16 | ||||
1. | - | 22 | 22 | - 24 | - 22 | |
2. | n | |||||
3. () , | nh | |||||
4. () , | nh'' | |||||
5. () | nh | |||||
6. | n | |||||
7. | g' | 1,683 | 1,5 | 0,756 | 0,8 | 2,6712 |
8. | g | 1,763 | 1,58 | 0,836 | 0,88 | 2,6712 |
9. | h | 1,47 | 1,08 | 1,03 | 1,18 | 0,361 |
10. | l b | 1,71,22 | 1,61,3 | 1,61,2 | 1,6401,2 | 120,342 |
11. , | 0,79325 | 0,70931 | 0,40533 | 0,41656 | 0,566 |
1. 22.
2. n - , .
n = 11 (.)
3. nh () , , .
nh' = (Gmax g) / (g n),
g , .
nh' = (2 0,08) / (0,051*11) = 3,42 M 3(.)
4. nh'' () , , .
nh'' = (Hmax h) / h,
h , .
nh'' = (1,8 0,18) / 0,43 = 3,76 M 4(.)
5. nh () , .
nh = min{nh'; nh''}
nh = min{3; 4}= 3 .
6. n , .
n = n*nh
n = 11*3=33 (.)
7. g' , .
g' = n*g
g'= 33* 0,051=1,683 ()
8. g , .
g = g' + g
g = 1,683 + 0,08=1,763 ()
9. h , .
h = nh h + h
h = 3*0,43 + 0,18 = 1,47 ()
10. l b , .
, .
l b = 1,71,22 .
11. , , /2.
= g / (l +0,05)*(b +0,05),
=1,763 / (1,7+0,05)*(1,22+0,05) = 0,79325 (/2)
2.3. .
,
m = L*q
gm = 12*15,9 = 190,8 ()
, 2 3
n=2..3/gm=10..15 ()
n , . 7 , 2.
, .
n=14 ()
, :
bc=4*b+6*0,1+3*d=4*8,1+0,6+3*0,5=34,5 ()
, :
hc=2*h+3*0,1+2*(b-d)/4=2*16+0,3+(8,1-0,5)/2=36,1 ()
, :
lc=lm=12 ()
, :
mc=n*gm=14*0,1908=2,6712 ()
:
=(bc*hc)/(bm*hm*n)=(0,345*0,361)/(0,081*0,16*14)=0,686
:
=[bc+hc=0,706]=1,29
:
ʒ= * =0,884
, 3/:
U=Um* ʒ=0,884*0,818=0,72 (3/)
. 2.6. ( )
. 2.7. ( )
. 2.8. ( )
. 2.9. ( )
. 2.10.
|
|
3. .
. , .
3.1. .
. ( ) , . 4.
: -205
1. Q - , . , Q >= g
Q = 2,0 .
2,0 > 1,763
2. - , .
= 2,0 .
3. R - , .
R = 1,60 .
4. - , . , =< (c - 0,1).
= 2,64=<(4,0-0,1) .
5. ,
= 0,600
6. :
;
7. :
;
8.
= 4,0 .
9. h - , .
h = 1,47 .
10. g
g = 1,763 .
11. - , .
= 0,1 + h
= 2 0,1+1,47
= 3,37 .
12.
b = 1,22 .
13. 1 - , , .
1 = R + + b + 2*
1 = 1,6+0,6+1,22+(2*0,17)= 3,76 .
, ( 0,17 ).
14. l ,
l = 1,7 .
15. 2 - , , .
2 = 2*l + 3*
2 =2*1,7+3*0,17= 3,91
16. - , .
= max {1; 2}
= max {3,76; 3,91}=3,91 .
, , .
, , . . , .
, , . , l b, 1 . = 1. 5 .
3.2. .
, .
( ) , . 6.
1. , /2.
= 3,6 /2
2. , , /2.
= 0,79325 /2
3. mh , , .
mh = /
mh = 3,6 / 0,79325 = 4 (.)
4. h ,
h = 1,47
5. ͒ ,
͒ = h *mh
͒ = 1,47*4=5,88 ()
6. ,
= 4,0 ()
7. , ()
|
|
=
= 3,37 ()
8. = - - ,
= =(10/3)*1,47=4,9 ()
9. , .
= 3,37 ()
10. max ,
max = min { ; ; ͒; ; ; }
max = min {3,37; 4,9; 5,88; 3,37; 4,0; 4,9}=3,37 ()
11. mh , .
mh = max / h
mh .
mh = 3,37 / 1,47 = 2,2925M2 ()
12. ,
= mh*h
= 2*1,47=2,94 ()
13. , /2
= mh
= 0,79325*2=1,5865 (/2)
4.
. .
N ( ).
N = / g;
N - .
(): N = 70,992/1,683 = 42 (.)
(): N = 95/1,5 = 63(.)
(): N = 51,59/0,756 = 68(.)
(): N = 49,9/0,8 = 62(.)
(): N = 120,204/2,6712 = 45(.)
4.1. .
(YzXz→min). (Yz≥2), , .. Xz≥Yz. , , . mh N Z S, Z S ( ) mh. mh>5, Z=3. Z S mh, () S, (mh- S).