C - Solvay Plastics
C - Solvay Plastics
C - Solvay Plastics
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Fig. 52: Contraintes (σ max ) et déflections (y max ) maximales en fonction du type de chargement<br />
Chargement uniforme<br />
Chargement à un point<br />
charge totale W<br />
W<br />
L<br />
L<br />
σ max<br />
=<br />
WLC<br />
σ<br />
8 I<br />
max<br />
=<br />
Y max<br />
= - 5WL 3<br />
384 E I<br />
a<br />
Wa(L - a)C<br />
L I<br />
Y max<br />
= - Wa ( L 2 - a 2 ) 3/2<br />
3 E I L 3<br />
charge totale W<br />
W<br />
a<br />
L<br />
L<br />
σ max<br />
=<br />
- WLC<br />
12 I<br />
Y max<br />
= - WL 3<br />
384 E I<br />
σ max<br />
=<br />
Y max<br />
=<br />
- Wa(L - a) 2 C<br />
L 2 I<br />
- 2Wa 3 ( L - a )<br />
2<br />
3 E I L + 2a<br />
charge totale W<br />
W<br />
a<br />
L<br />
σ max<br />
=<br />
Y max<br />
=<br />
- WLC<br />
2 I<br />
- WL 3<br />
8 E I<br />
σ max<br />
=<br />
Y max<br />
=<br />
L<br />
- W(L - a)C<br />
I<br />
- W (2L 3 - 3L 2 a + a 3 )<br />
6 E I<br />
60 IXEF ®