● .
g = L∙ψ∙k∙yf = 30,0∙0,009∙1,2∙1,05 = 0,34 /2,
ψ , L=30 ψ = 0,009;
k=1,2 - .
g = 1,76+0,016+0,055+0,228+0,018+0,34 = 2,41/2
●
q = g∙l/cosα = 2,41*6/1 =15,8
α - ; cosα = 1
●
F = q∙L/2 = 15,8∙30/2 = 237
●
F = (l+h0)∙g =(5,89+2,2)∙1,1 = 8,91 ,
g = 1,0 1,15 /.
●
F = l∙g = 10,91∙2,2 = 24,0 ,
g = 2,0 3,0 /.
●
= (F+F+F2)∙e1 = (237+8,91+9,46)∙0,25 = 45,61 ∙
F2 (.3.3);
e1 .
●
= F∙e1 = 126,72∙0,25 = 31,68∙
F = q∙L/2 = 8,04∙30/2 = 120 .
●
max = Dmax∙e2 = 1698∙0,625 = 1061,25 ∙
min = Dmin∙e2 = 596∙0,625 = 372,25 ∙
e2 .
4. q
(. 15) ,
W;
q.
W1 = q1∙b = 3,5∙3,675 = 12,86 ;
W2 = W1∙c2/c1 = 12,86∙(-0,5/0,8) = -8,04 ,
1, 2 ;
Q1 = q1 = 3,5 /;
Q2 = q1∙c2/c1 = 3,5∙(-0,5/0,8) = -2,2 /.
,
, , ;
( );
245
, , i =1/81/10 ; i =1/15 ; i =0 .
,
Ry = 240 - . .5 [1] 245;
k2 = 3 - , (k2 = 2,5 3 l = 6,0 ).
.
|
|
,
k 1 = 1,2...1,8 1 , .
:
5
/ | . . | |||
h+h | 1,19 | |||
l | 10,91 | |||
l | 5,89 | |||
L | 30,0 | |||
F | 23,2 | |||
F | 8,91 | |||
F | 23,4 | |||
F1 | 30,8 | |||
F2 | 9,46 | |||
/ | q | 15,8 | ||
q | 8,04 | |||
Dmax | ||||
, | Dmin | |||
T | 70,23 | |||
/ | q1 | 3,5 | ||
, | q2 | -2,2 | ||
, | W1+W2 | 23,9 | ||
ͷ | M | -58,97 | ||
, | -30,15 | |||
max | ||||
, | Mmin | 372,5 | ||
I/I | 0,09 | |||
I/I | 2,07 | |||
γ |