Seismic Performance and Ice-Induced Vibration Control of Offshore Platform Structures Based on the ISO-PFD-SMA Brace System

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2"> Period</td><td class="align_center" colspan="2">Fast ice</td><td class="align_center" colspan="3">Sea ice</td></tr><tr class="thead"><td class="align_center">Coverage (km)</td><td class="align_center">Thickness (cm)</td><td class="align_center">Coverage (km)</td><td class="align_center">Thickness (cm)</td><td class="align_center">Speed (m/s)</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">Nov. to Mar.</td><td class="align_center">5–10</td><td class="align_center">30–40</td><td class="align_center">110–130</td><td class="align_center">20–30</td><td class="align_center">0.4–0.8</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

The basic data of ice condition in the Bohai bay.

Advances in Materials Science and Engineering

tab5

Table 5

Table 5: Seismic Performance and Ice-Induced Vibration Control of Offshore Platform Structures Based on the ISO-PFD-SMA Brace System 