. , , ,

,,,

( )

:

12 245.343

1996

1. .

1.1. :

DP=10+5*n1 =10+10=20 ,

1.2. :

, =0.85

1.3. :

b=0.4+0.05*n1= 0.5 ,m

1.4. :

c=0.3+0.04*n1= 0.38 ,m

1.5. :

h=c= 0.38 ,m

1.6. :

m=10+10*n1= 30 ,

1.7. :

f=0.35

1.8. :

=50+50*n1= 150 ,m/c2

2.5* DP2*103 2.5*20*20*1000

DPck = = = 1351.35 ,

DP+720 20+720

F=*S*DPck= 0.85*0.19*1351.35 = 218.24 ,

F=f*mg= 0.35*30*9.8 = 102.9 ,

S=b*h= 0.5*0.38 = 0.19 ,m2

DP=DP+DP = 20000+1351.35 = 21351.35 ,

DP*S 21351.35*0.19

= = = 135.2 ,m/c2

m 30

2. .

2.1. :

U=( 1+n2 )*105= 5*105 ,/2

2.2. :

, h=0.5=d ; r=8600 /3 ; c=390 /(*);

2.3. :

-, K=0.45

2.4. :

T=(40+5*n2) = 60 ,

U 2.25*105

DT= = = 134.1 , Ѡ

r*c*hc 8600*390*0.0005

U=U*K= 5*105 * 0.45 = 2.25*105 , /2

T=T+DT= 20+134.1 = 154.1 ,

T=+20

3. .

3.1.

,

3.2. :

3.2.1. :

b=0.4+0.05*n1= 0.5 ,m

3.2.2. :

c=0.3+0.04*n1= 0.38 ,m

3.2.3. :

h=c= 0.38 ,m

3.3. :

E=1000+500*n3= 3500 ,/

3.4. :

li=0.05+0.01*n3= 0.1 ,m

3.5. :

U=1+0.1*n3= 1.5 ,

3.6. :

r=0.01+0.002*n3= 0.02 ,m

3.7. :

f=10+3*n3 = 25 ,

h=(E*l)/U = 3500*0.1 / 1.5= 233.3


( 2*p*f*mo*mr*s*D*hc)2

= 1+ 4*2 = hc

d=A/ f = 12.4*10-2 / 158.11 = 0.00078 ,m

hc= 0.0005 ,

A=12.4*10-2,*1/2

m=1 ( )

mr=1 m=1.256*10-6 *-1
D = = 0.38 - .

s = 16.6*106 /

3.3. .

l=lnh/a = 0.045 ,m

a=2.4/r = 2.4/0.02 = 120

4. .

Pg=10n4 = 103 ,/

Dg=10n4= 103 ,

=1015+n4= 1018 ,1/m2 .

( ) :

 

 

 

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