11

Carry over factor for columns:

CBA = CCD = rAB/2 = 0.30/2 = 0.15, CEF = rFE/2 = 0.20/2 = 0.10

Member stiffness factor: Beams:

Columns:

Distribution factor: Joint B:

Kba 37,761E x mm3

DFba =-BA-=--—r-- = 0.318 and DFBC = 1 - 0.318 = 0.682

Joint C:

Kcb 81,136E x mm3

KcB + KcD + Kce 81,136E x mm3 + 37,761E x mm3 + 58,441E x mm3

Kce 58,441E x mm3

CE Kcb + Kcd + Kce 81,136E x mm3 + 37,761E x mm3 + 58,441E x mm3

TABLE 23.6 Moment Distribution of the Two-Bay Semirigid Braced Frame

Joint

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