Design and Performance of Concrete Pile Strengthened with Lengthened Steel-Tube Core: Model Tests and Numerical Simulations

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Material</td><td class="align_center">Density (kg/m<sup>3</sup>)</td><td class="align_center">Young’s modulus (MPa)</td><td class="align_center">Poisson’s ratio</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Concrete</td><td class="align_center">2.4 × 10<sup>3</sup></td><td class="align_center">3.0 × 10<sup>4</sup></td><td class="align_center">0.2</td></tr><tr><td class="align_left">Steel pipe</td><td class="align_center">7.85 × 10<sup>3</sup></td><td class="align_center">2.1 × 10<sup>5</sup></td><td class="align_center">0.3</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Material parameters of concrete and steel pipe.</div>

Mathematical Problems in Engineering

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Table 1

Table 1: Design and Performance of Concrete Pile Strengthened with Lengthened Steel-Tube Core: Model Tests and Numerical Simulations 