Optimal Seismic Intensity Measure Selection for Isolated Bridges under Pulse-Like Ground Motions

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Parameter</td><td class="align_center">Elastic stiffness K1</td><td class="align_center">Postyielding stiffness K2</td><td class="align_center">Characteristic strength Q</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">LRB</td><td class="align_center">K1 = (15∼30)K2</td><td class="align_center">K2 = (1.15∼1.20)GA/Σtr</td><td class="align_center">Q = fyAlead</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Formulas of the mechanical parameters of LRB.</div>

Advances in Civil Engineering

tab3

Table 3

Table 3: Optimal Seismic Intensity Measure Selection for Isolated Bridges under Pulse-Like Ground Motions 