CALCS | PROC004 JIB HEEL TUBE |
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NOTATION | ||
Wb | width, box | |
Tf | thickness, flange | |
Tw | web | |
Do | diameter, tube, outer | |
Di | inner | |
Ab | csa, box | |
Iy | 2MoA, box | |
Pl | force, lug |
EXAMPLE | |||
Call Statement | |||
LET Nm=1:Nk=1:Do=15:Di=9:Wb=54:Tf=1.2:Tw=.9:Px=57:My=819:PROC004 | |||
Output | |||
PROC004 JIB HEEL TUBE, Rev Date, 181295 | |||
Ab | = 2*(Wb*Tf+Do*Tw) | = 156.6 | |
Iy | = 2*(Tw*Do*Wb^2/4+Tf*Wb^3/12) | = 5.118E4 | |
Pl | = Px/2+My/Wb | = 43.67 | |
fd | = Px/Ab+FNsgn(Px,My)*My*(Do/2)/Iy | = 0.484 | |
fs | = (Pl-fd*Tw*Do)*2/(PI*((Do+Di)/2)*(Do-Di)/2) | = 0.6566 | |
UF | = fd/(Kd(Nk)*Fy(Nm)) | = 0.2064 | |
UF | = fs/(Ks(Nk)*Fy(Nm)) | = 0.4828 | |
w | = fd*Tw*Do/(Kt(Nk)*(Do-Di)) | = 1.625 | |
END004 |