seismic efficiency

seismic efficiency

[′sīz·mik i′fish·ən·sē]
(geophysics)
The proportion of the total available strain energy which is radiated as seismic waves.
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Using the school building G in Figure 3 as an example, the definitions of seismic efficiency (SE), economic efficiency (EE) and planning efficiency (PE) are shown in Eqns (3) to (5).
Eqn (3) can be utilized to evaluate the seismic efficiency of school buildings not on the efficient frontier; Eqn (4) can be adopted to evaluate the economic efficiency; and Eqn (5) can be used to evaluate the planning efficiency of school buildings in terms of seismic resistance and cost effectiveness.
The calculation process for seismic efficiency (SE), economic efficiency (EE) and planning efficiency (PE) is presented in Eqns (9) through (11).
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