AAE 204 Homework# 9

Solution

3

22

22

22

2112

1

2

0.91125216

04

102

1004

122

12

4242

in

ybb

ybbQ

=

−=

⎟⎟⎠

⎞⎜⎜⎝

⎛−−⎟⎟

⎠

⎞⎜⎜⎝

⎛−=

⎟⎟⎠

⎞⎜⎜⎝

⎛−−⎟⎟

⎠

⎞⎜⎜⎝

⎛−=

ksipsi

ItVQ

42.11424

267.89491000,28

max

==

××

=

=∴ τ

NA

A A΄ MINIMUM SHEAR STRESS IN THE WEB (AT LEVEL A-A΄ )

ksipsi

ItVQ

in

tbbt

yAQ

03.11033

267.89466000,28

0.6621

212112

22

min

3

11

==

××

=

=

=

⎟⎠⎞

⎜⎝⎛ −×=

⎟⎠⎞

⎜⎝⎛ −=

=

τ