T&D World Magazine
Structures supplement WRK Engineers Inc
<p>An SAP2000 computer model of Imperial Valley substation was used to seismically strengthen the substation&rsquo;s bays.</p>

Seismically Sound Substation Structures

A major earthquake revealed the need for a 500-kV substation&rsquo;s bus work to be flexible to minimize seismic damage.

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