|
/ | . ., | - , | ., | |
() | 67,4 | 1,05 | 70,8 | |
ó | 1,3 | |||
. | 1,1 | |||
1,1 | ||||
p = 266,4 | p =299,8 | |||
5. | 2**h*ρ*g=(2*0,06*0,15*500*9,81)/1,5 | 58,9 | 1,1 | 64,7 |
6. | 1,1 | 49,5 | ||
g=370,3 | g=414 | |||
7. |
.
γf=1,6 ≤0,8
γf=1,4 >0,8
.
= 63.1 *
q= (g +So)B=(370.3+784)3=3463 /=3.46/
q= (g +S)B=(414+1664)3=6234 /=6.23 /
Q= 28.1
=2-2,85. 2,5
h=2,5t
. t=6,7,8,9,10,12,15,18,19
h= L=0.9
, I,W.
I= I≈2*2= ;
W= = ;
h=0,1α; h=0,15h
W= =0,7225h
In=2*a2= ;
, .
. 3 R=9 II
R=12 I
W= Ww
W .
w≤1
=9*0.9*1*0.8=0.648 /²
= =166,52
= h*2,5* h=2,5 h2
h= =8,16
h*=90
b*= =18,5
.
n= =5,6=6
bn*=6*3,3=19,8
|
I= =586991 4
h1=h-2hn=90-2*9=72
I=I+*2=2()=2 =586991 4
= =40,5
.
τ= ;
=0,5÷1,0 =0,85
t= =0,47 =7
Sn=*a=bn*hn*40,5=19,8*9*40,5=7217,13
. 10 .
w
w= =0,89
= =1,25
. 11 , G=1000
.
W= =130443
σ= =5,44 ≤6,48
, .
τ= ;
φ= =0,35
h/l=1/18
k2=0,39; k1=1372;
λ..= = = =585
h= b= *19,8=6,6 .
τ= =4,94 <12*0,9*0,8*1*0,85=7,34
t=7.
.
τ= ≤R*1.5
h = =0,014 .
, R=1,5 .
.
N.=R * ψ+Rn= S0*B*(L/2)*γf*0.9+g*B*(L/2)= =0.5*6*(15/2)*1.6*0.9+0.500/2*6*)15/2)= 32.4+22.5=54.9
1 * 2 (100*100 ).
N..= Hk*A*ρ*γf*g*K=10*2*0,1*0,1*0,5/3*1,1*9,81*1,3 = 1,4
|
|
,
W1=10
, .
Y .
, - , , , .
1/3 .
100 100 Rc =13
II ,
1 - .5, - m =1
R*=13*1*0.8*0.9*1 = 9.36
, , 25%, . =
λ , = l /i = lef / i, = 1000 / 10 ≤ λ =120
i =
λ ,. =
λb,y1= lb/iy1=280/0.289*10=280/2.89=96
μ= =1,33
l ef,y= l=100 =10
, , n=2
= 2.
.
n = 2/ (l b +0.4) =2/ (2,8+0,4)=0,625
., , , .12
1/7 =100/7=14,29 < d=22
= 1,5/ad =1.5/(10*1.8)=0.08
d≥ S/20= 30/20 = 1.5 =15
d=18
λ ,. = 164>120
>120,
1. .
2. .
φ=3000/λ2
φ=1-0,8(λ/100)2
φ= 3000/1642=0,11