Safety Assessment of Low-Contaminated Equipment Dismantling at Nuclear Power Plants

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td align="left"> </td><td align="center"><svg height="9.38774pt" id="M17" style="vertical-align:-0.04981995pt" version="1.1" viewbox="-0.0498162 -9.33792 8.76219 9.38774" width="8.76219pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.0135,0,0,-0.0135,0,0)"><path d="M620 675H597C578 656 570 650 541 650H144C112 650 104 653 94 675H72C59 618 42 552 23 493L53 491C71 534 88 564 105 585C124 608 144 615 238 615H290L197 121C182 40 174 34 88 28L82 0H361L367 28C275 34 266 38 281 121L374 615H441C522 615 543 608 553 583C562 560 566 531 565 493L597 494C603 551 612 629 620 675Z" id="g113-85"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="637" vert-adv-y="637"></glyph.data></g></svg>, °C</td><td align="center"><svg height="9.04777pt" id="M18" style="vertical-align:-0.04981995pt" version="1.1" viewbox="-0.0498162 -8.99795 8.47659 9.04777" width="8.47659pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.0135,0,0,-0.0135,0,0)"><path d="M593 650H142L136 622C219 616 224 611 209 531L130 120C114 39 108 34 23 28L17 0H501C518 32 557 130 568 158L540 169C519 132 495 93 469 70C439 43 409 35 332 35C272 35 241 37 225 50C211 61 211 89 222 149L253 320H350C441 320 443 312 441 239H471L510 434H481C455 366 448 358 360 358H260L303 572C311 613 312 615 348 615H431C509 615 522 603 532 581C544 555 546 531 545 491L574 493C583 555 592 631 593 650Z" id="g113-70"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="616" vert-adv-y="616"></glyph.data></g></svg>, MPa</td><td align="center"><span style="width: 6.27358ptpx;"><svg height="6.61354pt" id="M19" style="vertical-align:-0.2130003pt" version="1.1" viewbox="-0.0498162 -6.40054 6.27358 6.61354" width="6.27358pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.0136,0,0,-0.0136,0,0)"><path d="M213 67C239 136 257 225 255 300C253 353 242 447 164 447C112 447 54 389 41 319L67 309C90 362 117 377 134 377C184 377 189 277 190 239C193 153 164 43 146 -12H176C278 73 450 253 450 390C450 439 410 463 396 463C384 463 380 459 382 449C385 440 389 415 389 402C389 284 312 146 216 67H213Z" id="g185-47"></path><glyph.data ascent="989" descent="-303" horiz-adv-x="454" vert-adv-y="454"></glyph.data></g></svg></span></td><td align="center"><svg height="9.71411pt" id="M20" style="vertical-align:-3.31357pt" version="1.1" viewbox="-0.0498162 -6.40054 13.9805 9.71411" width="13.9805pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.0135,0,0,-0.0135,0,0)"><path d="M548 455L523 469C505 448 490 439 461 439C416 439 374 447 316 447C144 447 23 310 23 161C23 47 89 -12 179 -12C312 -12 429 106 429 244C429 303 419 344 368 386L371 388C404 383 440 378 474 378C507 378 530 411 548 455ZM350 274C350 191 308 25 198 25C144 25 108 75 108 157C108 264 170 395 276 395C296 395 320 384 333 360C347 334 350 316 350 274Z" id="g113-240"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="565" vert-adv-y="565"></glyph.data></g><g transform="matrix(.0095,0,0,-0.0095,7.045,3.264)"><path d="M679 650H432L424 619L456 615C499 610 507 601 486 568C442 499 366 400 315 336C281 403 229 526 211 570C199 600 202 610 239 614C239 614 281 618 281 619L288 650H33L24 619C98 612 106 606 129 552L226 325C238 297 238 282 234 259L211 136C193 42 184 38 97 32L86 0H375L382 32C285 39 277 45 296 136L324 267C329 290 337 304 350 322C420 416 479 489 523 539C582 607 595 613 668 619L679 650Z" id="g50-90"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="691" vert-adv-y="691"></glyph.data></g></svg>, MPa</td><td align="center"><svg height="9.82833pt" id="M21" style="vertical-align:-3.42779pt" version="1.1" viewbox="-0.0498162 -6.40054 14.6849 9.82833" width="14.6849pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.0135,0,0,-0.0135,0,0)"><path d="M548 455L523 469C505 448 490 439 461 439C416 439 374 447 316 447C144 447 23 310 23 161C23 47 89 -12 179 -12C312 -12 429 106 429 244C429 303 419 344 368 386L371 388C404 383 440 378 474 378C507 378 530 411 548 455ZM350 274C350 191 308 25 198 25C144 25 108 75 108 157C108 264 170 395 276 395C296 395 320 384 333 360C347 334 350 316 350 274Z" id="g113-240"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="565" vert-adv-y="565"></glyph.data></g><g transform="matrix(.0095,0,0,-0.0095,7.045,3.264)"><path d="M757 650H506L497 618C579 615 596 608 596 570S591 477 571 380L560 327C516 117 435 41 309 41C199 41 108 114 144 303L187 529C202 609 208 612 291 618L296 650H30L24 618C109 612 113 606 99 529L58 299C33 161 62 83 113 41C161 0 222 -17 283 -17C348 -17 417 3 470 48C546 111 584 203 603 311L615 380C631 474 647 531 658 567C667 599 672 616 750 618L757 650Z" id="g50-86"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="769" vert-adv-y="769"></glyph.data></g></svg>, MPa</td></tr><tr><td align="center" colspan="6"><hr/></td></tr><tr><td align="left">Concrete</td><td align="center">20</td><td align="center">2.70 × 10<sup>4</sup></td><td align="center">0.2</td><td align="center">1.5</td><td align="center">17</td></tr><tr><td align="left">Steel</td><td align="center">20</td><td align="center">2.01 × 10<sup>5</sup></td><td align="center">0.3</td><td align="center">353</td><td align="center">598</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Material properties of concrete and I-beam steel.

Science and Technology of Nuclear Installations

tab1

Table 1

Table 1: Safety Assessment of Low-Contaminated Equipment Dismantling at Nuclear Power Plants 