08.01.2015 Views

storia del calcolo di elementi strutturali

storia del calcolo di elementi strutturali

storia del calcolo di elementi strutturali

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Sollecitazioni Asta 2<br />

1913 -1913<br />

0.022<br />

14.7<br />

3.37<br />

11.33<br />

9 19 -9 19<br />

-.0255<br />

1.2<br />

-5.13<br />

6.33<br />

19 57 -19 29<br />

-1913 1913<br />

.00619<br />

.0143<br />

1.49<br />

-3.86<br />

= -14.7 + 3.37 =<br />

5.35<br />

-18.07<br />

-9 -19 9 -19<br />

.0071<br />

-1.2<br />

-5.13<br />

3.93<br />

19 29 -19 57<br />

.0607<br />

3.5<br />

3.86<br />

-0.36<br />

Sollecitazioni Asta 3<br />

1069 -1069<br />

-.014<br />

-14.9<br />

0<br />

-14.9<br />

1.5 6 -1.5 6<br />

0<br />

-0.048<br />

0<br />

-0.048<br />

6 32 -6 16<br />

-1069 1069<br />

.0607<br />

0<br />

0.84<br />

0<br />

= 14.9 + 0<br />

=<br />

0.84<br />

14.9<br />

-1.5 -6 1.5 -6<br />

0<br />

0.048<br />

0<br />

0.048<br />

6 16 -6 32<br />

-.688<br />

-1.2<br />

0<br />

-1.2<br />

Tabella riassuntiva <strong>del</strong>le sollecitazioni alle estremità<br />

Asta 1 Asta 2 Asta 3<br />

N A = 11.25 N B = 11.33 N C = -14.9<br />

T A = 4.66 T B = 6.33 T C = -0.048<br />

M A = 0.87 M B = 5.35 M C = 0.84<br />

N B = -7.13 N C = -18.07 N A = 14.9<br />

T B = 6.33 T C = 3.95 T A = 0.048<br />

M B = 6.06 M C = -0.36 M A = -1.2<br />

101

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

Saved successfully!

Ooh no, something went wrong!