The following was originally published June 4, 2011 at http://aero103.blogspot.com/2011/06/853-team-5.html
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RA=375 KN RB=375 KN
Vmax=375 KN Mmax=450 KN
Smin=Mmaxσall=450*1000169*106=2.8125*10-3m3
Use: W 690*125
σm=Mmaxsx=450*1033510*10-6=128.2 MPa
τmax=VmaxAw=375*103678*10-3(11.7*10-3)=47.3 MPa
At point (C)
V=125 KN
τw=VAw=125*103678*10-3(117*10-3)
σb=0.5d-tf0.5dσm=122 MPa
R=σb22+ τw2=63 MPa
σmax=σb2+R=124 MPa
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