.
, , 2,7 .
- .
.
510 .
- .
.
1.7
.
: 60-12.
.
60-12 . - .
.
-VI.
-I
-I ǿ 4.
3. RS=375 4. RS=370 5. RS=360
Rsser=270 Rsser=265 Rsser=260
ES=170000 ES=170000 ES=170000
-I
Rs=225Ma
Rs.ser=235 Ma
ES = 210 Ma
A-VI.
Rs=815
Rs.ser=980
ES = 19010-3
-20
Rb=11,5 Rbcb2 =9,775
Rbt=0,935 Eb=26,510-3
Rbtb2=0,795
12 .
| , /2 | γF | /2 | ||
| 1. t=20 ρ=800/3 2. t=65 ρ=1600/3 3. t=60 ρ=500/3 4. 60-12 | mg=Vρg=11tρg 110.0188009.81 110.0420009.81 2100 Ag = 1.26.0 9.81 | 1.1 1.3 1.2 1.1 | ||
| qser= | q= | |||
| 1. 2. | P=300/2 P=1200/2 | 1.4 1,4 | ||
| : : | Pser=3000 qser=7361 | P=4200 q=9335 |
1 .
qser= qser b=73611,2=8833/
q = qb=93351.2 = 11202/
l0:
l0=5980- (200/2) (190/2) = 5795
l=6000-20 = 5980
.
qserℓ02 88335,82
M = 8 = 8 =37
q ℓ02 112025,82
M = 8 = 8 =47
qserℓ088335,8
Q = 2 = 2 =26
q ℓ0 112025,8
Q = 2 = 2 =33
.
.
|
|
|
πd43.1415.94
Ix = 64 = 64 =3135.74
πd23.1415.92
A = 4 = 4 =1982
:
bp= bf- na=116-613,8 =33,2
b f =116 n=6
:
h-a220-138
h f = 2 = 2 =41,4.=4,1
h0=22-3=19
.
.
.
Gsp=0.75xRser=0.75x980=735
:
p=30+360/5,98=90,2 l=5,98
:
Rser-p>Gsp 980-90,2=889,8>589
Gsp>0.3 x Rser 735>0,3980=294
.
Gsp=735
hf
Madm= γbRb bf hf (h0- 2) = 11,51061,16∙ 0.041 (0.19-0,50,041) =93∙
.
M =47<Madm=93
,
bf×h=116×22
.
W =α -0.008Rb=0.85-0.00811,5=0.758
Gsm=500
α=0,85
G sp 735
ʌGsp=1500 ∙ Rs-1200=1500∙815-1200=152,8
ʌGsr=Rs+400-Gsp-∆Gsp=815+400-735-152,8=327,2
ξr=ξy= ________ W ________ ______ 0.758 _______
1+ ʌGsr x (1- W) = 1+ 327,2 x (1- 0.758) = 0,386
Gsm 1.1 500 1.1
Ar=A0 max = ξr(1-0.5x ξr)=0,386(1-0.5x0,386)=0,312
.
M47103
A0= Rbbfh2 = 11.51061.160.192 = 0,1
A0=0.1 → ξ = 0,11
η =0,945
A0=0.1 <=0,312 1
γsb= 0.965-(0.965-1)x(2x0.07 - 1) = 0.934 γsb ≤ ƞ
1.4
.
M 47103
ASP= γsbRSh0η = 1,18151060.190.945 = 2,92 2
.
4 O 10 -VI sp=3,14 2
