Numerical Study on the Longitudinal Response Characteristics of Utility Tunnel under Strong Earthquake: A Case Study

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left"></td><td class="align_center">Tensile strength <i>f</i><sub><i>ptk</i></sub> (MPa)</td><td class="align_center">Elastic modulus <i>E</i><sub><i>p</i></sub> (GPa)</td><td class="align_center">Steel cross-sectional area mm<sup>2</sup></td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Φ<sup><i>s</i></sup>15.2 (1 × 7)</td><td class="align_center">1860</td><td class="align_center">200</td><td class="align_center">139 × 7</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Prestressed steel strand parameters.</div>

Advances in Civil Engineering

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Table 4

Table 4: Numerical Study on the Longitudinal Response Characteristics of Utility Tunnel under Strong Earthquake: A Case Study 