02.07.2014 Views

descarga

descarga

descarga

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

682 RESISTENCIA DE MATERIALES<br />

Corona eIíptica.-Sean a y b los ejes de la elipse exterior y al<br />

y b' los de la interior (fig. 1681); se tendrá:<br />

A<br />

I:a<br />

1t<br />

1 = - (baS - b' a,a ) .<br />

64 '<br />

[ 1t bas - b' a' 3<br />

-;; = 32 a<br />

Fig. 1681.<br />

'.

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!