CALCS PROC027
SLOTTED BEAM

NOTATION

A1 2area-beam sections & 2
I1 22nd mom of area, beam sections & 2
ybar1 2critical surface from NA, sections & 2
x1/2 slot length
ylength, between beam section NAs & 2
Pxforce,axial
Pyforce, transverse
Mzmoment,transverse
f1 2stress, sections & 2

APPLICATION

Generally rectangular cut-out in a beam type member giving locally two framing beams of differing properties

OUTPUT

Direct and shear stresses

SEE ALSO

other porcs & progs

THEORY

Roark5, Page 184

GUIDANCE

SCF not accounted for in this theory

INPUT FORMAT

LET Nm=:Nk=:A1=:A2=:I1=:I2=:ybar1=:ybar2=:x=:y=:Px=:Py=:Mz=:PROC027

EXAMPLE

Call Statement

LET Nm=1:Nk=1:A1=34:A2=26:I1=583:I2=409:ybar1=6.6:ybar2=4.3:x=16:y=31:Px=44:Py=6.8:Mz=346:PROC027

Output

PROC027 SLOTTED BEAM, Rev 290995
entertabdelimiteddata
f1= (Px/(A1+A2)+Py*x*(I1/(I1+I2))*(ybar1/I1)-Mz/(A1*y))= 1.129
f2= (Px/(A1+A2)+Py*x*(I2/(I1+I2))*(ybar2/I2)+Mz/(A2*y))= 1.634
UF= FNmax(f1,f2,0,0,0)/(Kd(Nk)*Fy(Nm))= 0.6969
END027