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Heating and Cooling of Structure

Heating and Cooling of Structure. Observations by Thermo Imaging Camera during the Cardington Fire Test, January 16, 2003. Pašek J., Svoboda J., Wald F. Technical University in Prague has produced this lesson with the support of the EU Fifth Framework project No. CV 5535

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Heating and Cooling of Structure

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  1. Heating and Cooling of Structure Observations by Thermo Imaging Camera during the Cardington Fire Test, January 16, 2003 Pašek J.,Svoboda J., Wald F. Technical University in Prague has produced this lesson with the support of the EU Fifth Framework project No. CV 5535 „Tensile membrane action and robustness of structural steel joints under natural fire“.

  2. Fin Plate Connection before the Experiment

  3. In 26 min. of fire is temperature of the structure under 400°C. 980,0°C 800 600 400 400,0°C t=26 min. con,ø= 275 °C

  4. t=t0 + 0 h 28’Tcon,ø= 330 °C 980,0°C 800 600 400 400,0°C t=28’con,ø= 330 °C t=26 min. con,ø= 275 °C

  5. By heating is connectioncolder compare to connected beam t=t0 + 0 h 30’Tcon,ø= 390 °C 980,0°C 800 600 400 400,0°C t=30 min. con,ø= 390 °C

  6. t=t0 + 0 h 32’Tcon,ø= 440 °C 980,0°C 800 600 400 400,0°C t=32 min. con,ø= 440 °C By heating is connectioncolder compare to connected beam

  7. t=t0 + 0 h 34’Tcon,ø= 480 °C 980,0°C 800 600 400 400,0°C t=34 min. con,ø= 480 °C

  8. Buckling of beam lower flange t=t0 + 0 h 36’Tcon,ø= 520 °C 980,0°C 800 600 400 400,0°C t=36 min. con,ø= 520 °C

  9. t=t0 + 0 h 38’Tcon,ø= 565 °C 980,0°C 800 600 400 400,0°C t=38 min. con,ø= 565 °C Buckling of beam lower flange

  10. t=t0 + 0 h 40’Tcon,ø= 590 °C 980,0°C 800 600 400 400,0°C t=40 min. con,ø= 590 °C Buckling of beam lower flange

  11. t=t0 + 0 h 42’Tcon,ø= 645 °C 980,0°C 800 600 400 400,0°C t=42 min. con,ø= 645 °C Buckling of beam lower flange

  12. t=t0 + 0 h 44’Tcon,ø= 660 °C 980,0°C 800 600 400 400,0°C t=44 min. con,ø= 660 °C Buckling of beam lower flange

  13. t=t0 + 0 h 46’Tcon,ø= 685 °C 980,0°C 800 600 400 400,0°C t=46 min. con,ø= 685 °C

  14. t=t0 + 0 h 48’Tcon,ø= 710 °C 980,0°C 800 600 400 400,0°C t=48 min. con,ø= 710 °C

  15. t=t0 + 0 h 50’Tcon,ø= 730 °C 980,0°C 800 600 400 400,0°C t=50 min. con,ø= 730 °C

  16. t=t0 + 0 h 52’Tcon,ø= 775 °C 980,0°C 800 600 400 400,0°C t=52 min. con,ø= 775 °C

  17. t=t0 + 0 h 54’Tcon,ø= 810 °C 980,0°C 800 600 400 400,0°C t=54 min. con,ø= 810 °C

  18. The maximal temperature of 1088 °C of secondary beam was reached by its lower flange in 57 min. t=t0 + 0 h 56’Tcon,ø= 835 °C 980,0°C 800 600 400 400,0°C t=56 min. con,ø= 835 °C

  19. t=t0 + 0 h 58’Tcon,ø= 855 °C 980,0°C 800 600 400 400,0°C t=58 min. con,ø= 855 °C

  20. t=t0 + 1 h 00’Tcon,ø= 880 °C 980,0°C 800 600 400 400,0°C t=60 min. con,ø= 880 °C

  21. Maximal temperatureof fin plate connection 908,3°C was reached in 63 min. t=t0 + 1 h 02’Tcon,ø= 900 °C 980,0°C 800 600 400 400,0°C t=62 min. con,ø= 900 °C

  22. t=t0 + 1 h 04’Tcon,ø= 885 °C 980,0°C 800 600 400 400,0°C t=64 min. con,ø= 885 °C

  23. t=t0 + 1 h 06’Tcon,ø= 860 °C 980,0°C 800 600 400 400,0°C t=66 min. con,ø= 860 °C

  24. t=t0 + 1 h 08’Tcon,ø= 840 °C 980,0°C 800 600 400 400,0°C t=68 min. con,ø= 840 °C

  25. t=t0 + 1 h 10’Tcon,ø= 820 °C 980,0°C 800 600 400 400,0°C t=70 min. con,ø= 820 °C

  26. t=t0 + 1 h 12’Tcon,ø= 800 °C 980,0°C 800 600 400 400,0°C t=72 min. con,ø= 800 °C

  27. t=t0 + 1 h 14’Tcon,ø= 790 °C 980,0°C 800 600 400 400,0°C t=74 min. con,ø= 790 °C

  28. t=t0 + 1 h 16’Tcon,ø= 770 °C 980,0°C 800 600 400 400,0°C t=76 min. con,ø= 770 °C

  29. t=t0 + 1 h 18’Tcon,ø= 755 °C 980,0°C 800 600 400 400,0°C t=78 min. con,ø= 775 °C

  30. t=t0 + 1 h 20’Tcon,ø= 745 °C 980,0°C 800 600 400 400,0°C t=80 min. con,ø= 745 °C

  31. t=t0 + 1 h 22’Tcon,ø= 740 °C 980,0°C 800 600 400 400,0°C t=82 min. con,ø= 740 °C

  32. t=t0 + 1 h 24’Tcon,ø= 730 °C 980,0°C 800 600 400 400,0°C t=84 min. con,ø= 730 °C

  33. t=t0 + 1 h 26’Tcon,ø= 720 °C 980,0°C 800 600 400 400,0°C t=76 min. con,ø= 720 °C

  34. 980,0°C 800 600 400 400,0°C t=t0 + 1 h 28’Tcon,ø= 710 °C t=78 min. con,ø= 710 °C

  35. t=t0 + 1 h 30’Tcon,ø= 690 °C 980,0°C 800 600 400 400,0°C t=90 min. con,ø= 690 °C

  36. t=t0 + 1 h 32’Tcon,ø= 680 °C 980,0°C 800 600 400 400,0°C t=92 min. con,ø= 680 °C

  37. t=t0 + 1 h 34’Tcon,ø= 670 °C 980,0°C 800 600 400 400,0°C t=94 min. con,ø= 670 °C

  38. t=t0 + 1 h 36’Tcon,ø= 650 °C 980,0°C 800 600 400 400,0°C t=96 min. con,ø= 650 °C

  39. t=t0 + 1 h 38’Tcon,ø= 640 °C 980,0°C 800 600 400 400,0°C t=98 min. con,ø= 640 °C

  40. t=t0 + 1 h 40’Tcon,ø= 635 °C 980,0°C 800 600 400 400,0°C t=100 min. con,ø= 635 °C The connectioniswarmer compare to the connected beam by coolingof the structure,but never reached the beam maximal temperature.

  41. t=t0 + 1 h 42’Tcon,ø= 620 °C 980,0°C 800 600 400 400,0°C t=102 min. con,ø= 620 °C The connectioniswarmer compare to the connected beam by coolingof the structure,but never reached the beam maximal temperature.

  42. t=t0 + 1 h 44’Tcon,ø= 600 °C 980,0°C 800 600 400 400,0°C t=104 min. con,ø= 600 °C The connectioniswarmer compare to the connected beam by coolingof the structure,but never reached the beam maximal temperature.

  43. t=t0 + 1 h 46’Tcon,ø= 585 °C 980,0°C 800 600 400 400,0°C t=106 min. con,ø= 585 °C

  44. t=t0 + 1 h 48’Tcon,ø= 560 °C 980,0°C 800 600 400 400,0°C t=108 min. con,ø= 560 °C

  45. t=t0 + 1 h 50’Tcon,ø= 540 °C 980,0°C 800 600 400 400,0°C t=110 min. con,ø= 540 °C

  46. t=t0 + 1 h 52’Tcon,ø= 520 °C 980,0°C 800 600 400 400,0°C t=112 min. con,ø= 520 °C

  47. t=t0 + 1 h 54’Tcon,ø= 505 °C 980,0°C 800 600 400 400,0°C t=114 min. con,ø= 505 °C

  48. t=t0 + 1 h 56’Tcon,ø= 485 °C 980,0°C 800 600 400 400,0°C t=116 min. con,ø= 585 °C

  49. t=t0 + 1 h 58’Tcon,ø= 470 °C 980,0°C 800 600 400 400,0°C t=118 min. con,ø= 470 °C

  50. t=t0 + 2 h 00’Tcon,ø= 450 °C 980,0°C 800 600 400 400,0°C t=120 min. con,ø= 450 °C

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