-, 70 . ks=1.4
q=kd γfgb=1.4 1.1 2750 1.19=5040 /
q=hred p=0.11 2500=2750/2 ; b ; hred ; p .
3.17. ³'
M=ql12/2=5040 1.052/2=2778.3
.
, z1=0.9h0,
As = = 0.23 2,
2ᴓ8 400, s1.012
.
N=ql/2=5040 598/2=15069 H.
As=N/Rs=15069/3659(100)=0.412;
12, As=1.132
ʳ | |||||
3 | 1 2 3 | 3760-98 3760-98 3760-98 | -1 14 400 l=5980 8 400 l=5980 6 240 l=300 | 2 1 1 31 | 23,24 7.2 2.36 2.06 |
4 5 | 3760-98 3760-98 | -2 6 240 l=1450 6 240 l=180 | 5 2 8 | 4.15 0.51 0.32 | |
6 7 | 3760-98 3760-98 | ѳ -1 3 -1 l=5980 3 -1 l=1450 | 2 2 4 | 18,48 6.22 3,02 | |
8 9 | 3760-98 3760-98 | ѳ -2 3 -1 l=5980 3 -1 l=500 | 2 2 2 | 13.48 6.22 0.52 | |
10 | 3760-98 3760-98 | 10 240 l=700 | 4 1 | 1.73 0.55 | |
11 | 3760-98 | 0.20.10.01 | 4 1 | 6.28 1.57 | |
25 1 1 2 | 3 /3 | 0.66 67,36 102,06 |
:
Aw = 144 2
b x h = 4040
B25; A400C
H = 9,6
Rs = 365
Rb = 14,5
Rs = 365
:
N = q Aw + g ... + P + g ...
:
g ... = b h ρ γf
:
= H + h + 0,15 = 9,6 + 0,41 +0,15 = 10,16
h = 30dR + σ = 30 1,2 + 5 = 41
g ... = 0,4 0,4 10,6 25 1,1 = 46,64
:
g ... = L ρ γf = 0,345 24 25 1,1 = 227,7
:
= (0,4 0,3) + (0,65 0,2) + (0,65 + 0,3)/2 0,2 =
= 0,12 + 0,13 + 0,095 = 0,345 2
N = 7,274 144 + 46,64 + 40 + 227,7 = 1361,796 H
1) :
2)
3)
|
|
. -
4) :
4Ø16 400, s=4,52 2
5) ij :
dsw = 0,25ds = 0,25 16 = 4
Ø4 -1
6) :
Ssw = 20ds = 20 16 = 320 => 300 .
ʳ | |||||
3 | 1 2 | 3760-98 3760-98 | -1 16 400 l=10120 4 -1 l=380 | 1 4 128 | 68,62 63,8 4,82 |
3 4 | 3760-98 3760-98 | ѳ -1 4 -1 l=1500 4 -1 l=580 | 1 3 7 | 0,85 0,45 0,4 | |
5 | 3760-98 | ѳ -2 4 -1 l=380 | 5 16 | 3 0,6 | |
6 | 3760-98 | 0,10,60,6 | 1 1 | 28.3 28.3 | |
25 1 1 2 | 3 /3 | 1,62 99,17 61,22 |