Seismic Performance of Offshore Piers under Wave Impact and Chloride Ion Corrosion Environment

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="10"><hr/></td></tr><tr class="thead"><td class="align_left">Parameter</td><td class="align_center"><i>k</i></td><td class="align_center"><i>d</i> (cm)</td><td class="align_center"><i>c</i> (cm)</td><td class="align_center"><i>f</i><sub>t</sub> (MPa)</td><td class="align_center"><i>E</i><sub>eff</sub> (GPa)</td><td class="align_center"><i>r</i><sub>0</sub> (cm)</td><td class="align_center"><i>n</i></td><td class="align_center"><span style="width: 10.1846ptpx;"><svg height="9.10848pt" id="M9" style="vertical-align:-3.291111pt" version="1.1" viewbox="-0.0498162 -5.81737 10.1846 9.10848" width="10.1846pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M219 86C216 168 211 250 206 337C201 410 189 448 163 448C131 448 79 396 43 344L60 322C91 359 110 375 118 375S132 358 136 298C141 238 152 81 155 -12H182C242 62 331 177 390 258C435 321 451 360 451 391C450 424 432 448 408 448C390 448 372 435 366 419C362 410 362 401 366 394C373 383 376 367 376 350C376 283 262 138 221 86H219Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,5.811,3.132)"><path d="M387 400C387 425 348 451 303 451C247 451 176 414 132 376C69 322 24 228 24 148C24 43 74 -12 147 -12C211 -12 301 33 363 103L346 128C319 99 249 51 193 51C148 51 112 84 112 165C112 230 130 287 154 330C170 359 199 400 243 400C277 400 304 383 326 354C333 345 343 343 354 348C378 360 387 382 387 400Z"></path></g></svg></span></td><td class="align_center"><svg height="12.5794pt" id="M10" style="vertical-align:-3.29107pt" version="1.1" viewbox="-0.0498162 -9.28833 11.4661 12.5794" width="11.4661pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M494 514C482 587 419 712 303 712C238 712 174 667 174 603C174 561 205 514 249 449C219 438 187 422 162 407C93 366 23 283 23 177C23 69 87 -12 190 -12C244 -12 288 5 328 33C406 87 444 170 444 249C444 329 404 391 331 475C265 550 222 605 222 627C222 647 238 657 267 657C355 657 421 585 484 499L494 514ZM359 234C359 143 319 30 219 30C172 30 114 75 114 178C114 275 163 343 195 378C212 397 241 415 269 425C305 382 359 313 359 234Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,6.396,3.132)"><path d="M245 635C92 635 37 457 37 312C37 149 91 -12 244 -12C395 -12 449 166 449 312C449 469 395 635 245 635ZM243 598C332 598 358 454 358 312C358 173 334 26 245 26C158 26 128 174 128 313S152 598 243 598Z"></path></g></svg> (cm)</td></tr><tr><td class="thead-hr" colspan="10"><hr/></td></tr><tr><td class="align_left">Value</td><td class="align_center">0.9</td><td class="align_center">1.6</td><td class="align_center">5</td><td class="align_center">2.4</td><td class="align_center">32.5</td><td class="align_center">0.8015</td><td class="align_center">2.75</td><td class="align_center">0.2</td><td class="align_center">0.0015</td></tr><tr class="table-tr"><td colspan="10"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Parameter values of <i>T</i><sub>cr</sub> model for corrosion expansion cracking time.</div>

Shock and Vibration

tab4

Table 4

Table 4: Seismic Performance of Offshore Piers under Wave Impact and Chloride Ion Corrosion Environment 