CALCS PROC005
DIAPHRAGM AT MEMBER ELBOW

NOTATION

1MA1st mom of area
I2ndMoA
thetaangle, elbow
bwidth, diaphragm
tthickness, diaphragm
Mbend moment
Pforce in member
fcstress, diaphragm

APPLICATION

Member elbow reinforced with diaphragm subject to bending. Found in various frames composed of hollow sections.

OUTPUT

diaphragm compressive stress

SEE ALSO

other porcs & progs

THEORY

refs

GUIDANCE

guidance notes

INPUT FORMAT

LET Nm=:Nk=:MA1=:I=:theta=RAD():b=:t=:M=:PROC005

EXAMPLE

Call Statement

LET Nm=1:Nk=1:MA1=981:I=5477:theta=45:b=13:t=1.5:M=245:PROC005

Output

PROC005 DIAPHRAGM AT MEMBER ELBOW, Rev Date, 190995
P= M*MA1/I= 43.88
fd= 2*P*SIN(theta/2)/(b*t)= -2.193
UF= ABS(fd)/(Kc(Nk)*Fy(Nm))= 0.935
END005