DISPLACEMENT-BASED SEISMIC DESIGN
DISPLACEMENT-BASED SEISMIC DESIGN
DISPLACEMENT-BASED SEISMIC DESIGN
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COUPLING BEAM DRIFTS<br />
reinforcement<br />
Conventional<br />
θ W<br />
θ CB<br />
0.5l W L CB 0.5l W<br />
Diagonal<br />
reinforcement<br />
α<br />
α<br />
(a) Drift Geometry (b) Coupling Beam<br />
θ<br />
CB<br />
= θ<br />
W<br />
( 1+ l / L )<br />
W<br />
CB<br />
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