Appendix A Equivalent single degree of freedom properties for beams and slabs

General notation

Specific notation is given beneath the appropriate table.

de distance from support for calculation of ultimate shear stress

E modulus of elasticity

F load

H storey height

I second moment of area

i specific impulse

KL load transformation factor

KLM mass transformation factor

KLM load -mass transformation factor

ke equivalent elastic stiffness

L span length

M mass

Mp bending moment resistance

m mass per unit length

p load per unit length

R resistance

Rm ultimate resistance

V dynamic reaction

Vs support shear

v ultimate shear stress at distance de from support

Table A.1. Equivalent SDOF factors for simply supported beams (originally published as Table 5.1 of reference [1], derived from reference [4])