European Technical Approval Technical Approval ETA 12 ... - Hempel
European Technical Approval Technical Approval ETA 12 ... - Hempel
European Technical Approval Technical Approval ETA 12 ... - Hempel
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Page 32 of 46 of <strong>ETA</strong> <strong>12</strong>/0581, issued on 17.01.2013<br />
Table A1.22: Columns, 4-sided circular hollow sections.<br />
Section Factor<br />
Design Temperature 500ºC<br />
Thickness (mm ) required for the RF period –only intumescent coating<br />
m -1 15 min 30 min 45 min 60 min 90 min <strong>12</strong>0 min 180 min 240 min 300 min<br />
45 0,256 0,256 0,360 0,905 1,996 3,087 - - -<br />
50 0,256 0,256 0,508 1,102 2,290 3,478 - - -<br />
55 0,256 0,256 0,651 1,291 2,572 3,853 - - -<br />
60 0,256 0,256 0,788 1,473 2,843 4,214 - - -<br />
65 0,256 0,256 0,920 1,648 3,104 4,561 - - -<br />
70 0,256 0,277 1,046 1,816 3,356 4,895 - - -<br />
75 0,256 0,359 1,169 1,978 3,598 5,217 - - -<br />
80 0,256 0,439 1,287 2,135 3,831 - - - -<br />
85 0,256 0,515 1,401 2,286 4,057 - - - -<br />
90 0,256 0,589 1,510 2,432 4,274 - - - -<br />
95 0,256 0,661 1,616 2,572 4,484 - - - -<br />
100 0,256 0,730 1,719 2,708 4,687 - - - -<br />
105 0,256 0,796 1,818 2,840 4,883 - - - -<br />
110 0,256 0,861 1,914 2,967 5,074 - - - -<br />
115 0,256 0,924 2,007 3,091 - - - - -<br />
<strong>12</strong>0 0,256 0,984 2,097 3,210 - - - - -<br />
<strong>12</strong>5 0,256 1,043 2,184 3,326 - - - - -<br />
130 0,256 1,100 2,269 3,438 - - - - -<br />
135 0,256 1,155 2,351 3,547 - - - - -<br />
140 0,256 1,209 2,431 3,653 - - - - -<br />
145 0,256 1,261 2,508 3,755 - - - - -<br />
150 0,256 1,3<strong>12</strong> 2,583 3,855 - - - - -<br />
155 0,256 1,361 2,656 3,952 - - - - -<br />
160 0,256 1,409 2,727 4,046 - - - - -<br />
165 0,256 1,455 2,796 4,137 - - - - -<br />
170 0,256 1,500 2,863 4,226 - - - - -<br />
175 0,256 1,544 2,929 4,313 - - - - -<br />
180 0,256 1,587 2,992 4,397 - - - - -<br />
185 0,256 1,629 3,054 4,480 - - - - -<br />
190 0,256 1,670 3,115 4,560 - - - - -<br />
195 0,256 1,709 3,173 4,638 - - - - -<br />
200 0,265 1,748 3,231 4,714 - - - - -<br />
205 0,284 1,785 3,287 4,788 - - - - -<br />
210 0,303 1,822 3,341 4,861 - - - - -<br />
215 0,322 1,858 3,395 4,931 - - - - -<br />
220 0,340 1,893 3,447 5,000 - - - - -<br />
225 0,357 1,927 3,497 5,068 - - - - -<br />
230 0,374 1,961 3,547 5,133 - - - - -<br />
235 0,391 1,993 3,596 5,198 - - - - -<br />
240 0,408 2,025 3,643 - - - - - -<br />
245 0,424 2,056 3,689 - - - - - -<br />
250 0,439 2,087 3,734 - - - - - -<br />
255 0,455 2,117 3,779 - - - - - -<br />
260 0,470 2,146 3,822 - - - - - -<br />
265 0,484 2,174 3,864 - - - - - -<br />
270 0,499 2,202 3,906 - - - - - -<br />
275 0,513 2,230 3,946 - - - - - -<br />
280 0,527 2,256 3,986 - - - - - -<br />
285 0,540 2,283 4,025 - - - - - -<br />
290 0,553 2,308 4,063 - - - - - -<br />
295 0,566 2,333 4,100 - - - - - -<br />
300 0,579 2,358 4,137 - - - - - -<br />
305 0,591 2,382 4,173 - - - - - -<br />
310 0,604 2,406 4,208 - - - - - -<br />
315 0,616 2,429 4,243 - - - - - -<br />
320 0,627 2,452 4,276 - - - - - -<br />
325 0,639 2,474 4,310 - - - - - -<br />
330 0,650 2,496 4,342 - - - - - -<br />
335 0,661 2,518 4,374 - - - - - -<br />
340 0,672 2,539 4,405 - - - - - -<br />
345 0,683 2,559 4,436 - - - - - -<br />
350 0,693 2,580 4,466 - - - - - -<br />
355 0,704 2,600 4,496 - - - - - -