purdue university - homework# 9 solution · 2007. 4. 2. · at midpoint b (x = l,q) 3pl = width at...
TRANSCRIPT
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