Knauf Fireboard fire protection efficiency for vertical steel profiles of various cross section shapes

Authors

  • Ivan A. Basakovich Dzerzhinsk District Department for Emergencies of the Minsk Regional Department of the Ministry of Emergency Situations of the Republic of Belarus; ul. Protasova, 9, Dzerzhinsk, Minsk region, , 222720, Belarus https://orcid.org/0000-0001-7531-3456
  • Sergey S. Botyan State Educational Establishment «University of Сivil Protection of the Ministry for Emergency Situations of the Republic of Belarus»; ul. Mashinostroiteley, 25, Minsk, 220118, Belarus https://orcid.org/0000-0002-8593-4413
  • Sergey M. Zhamoydik State Educational Establishment «University of Сivil Protection of the Ministry for Emergency Situations of the Republic of Belarus»; ul. Mashinostroiteley, 25, Minsk, 220118, Belarus https://orcid.org/0000-0003-0407-5176
  • Vadim A. Kudryashov State Educational Establishment «University of Сivil Protection of the Ministry for Emergency Situations of the Republic of Belarus»; ul. Mashinostroiteley, 25, Minsk, 220118, Belarus https://orcid.org/0000-0003-4889-1060
  • Vladimir A. Osyaev State Educational Establishment «University of Сivil Protection of the Ministry for Emergency Situations of the Republic of Belarus»; ul. Mashinostroiteley, 25, Minsk, 220118, Belarus https://orcid.org/0000-0002-5064-4205
  • Ivan I. Polevoda State Educational Establishment «University of Сivil Protection of the Ministry for Emergency Situations of the Republic of Belarus»; ul. Mashinostroiteley, 25, Minsk, 220118, Belarus https://orcid.org/0000-0003-2469-3553

DOI:

https://doi.org/10.33408/2519-237X.2019.3-3.268

Keywords:

fire protection gypsum boards, structural fire protection, standard fire curve, effective thermal conductivity, computer modeling, heat transfer

Abstract

Purpose. To establish the dependences of the fire protection efficiency – the time to reach a critical temperature of 500 °C under standard fire curve – on the geometric dimensions and cross-section shapes and Knauf Fireboard fire protection thickness for vertical hot-rolled I-beams and steel pipes.

Methods. Computational models were applied interconnected with the results of Knauf Fireboard fire protection efficiency tests for vertical steel profiles of various cross-section shapes. Results. Three-dimensional computational models have been developed for simulating heat exchange with a fire gas environment for vertical steel profiles cross sections protected by Knauf Fireboard. The dependences of the Knauf Fireboard effective thermal conductivity coefficient and the volumetric heat capacity on its thickness and temperature were established. The dependences of the fire protection efficiency – the time to reach a critical temperature of 500 °C under standard fire curve – were established on the geometric dimensions and cross-section shapes and Knauf Fireboard fire protection thickness for vertical hot-rolled I-beams and steel pipes. It has been found that the warming time of steel profiles with Knauf Fireboard fire protection depends not only on the reduced to plate metal thickness (section factor), but also on the geometric dimensions and cross-section shapes.

Application field of research. The research results can be used to assess the fire resistance of steel structures with structural Knauf Fireboard fire protection.

Author Biographies

Ivan A. Basakovich, Dzerzhinsk District Department for Emergencies of the Minsk Regional Department of the Ministry of Emergency Situations of the Republic of Belarus; ul. Protasova, 9, Dzerzhinsk, Minsk region, , 222720, Belarus

Inspection of Supervision and Prevention, Inspector

Sergey S. Botyan, State Educational Establishment «University of Сivil Protection of the Ministry for Emergency Situations of the Republic of Belarus»; ul. Mashinostroiteley, 25, Minsk, 220118, Belarus

Chair of Fire Safety, Senior Lecturer

Sergey M. Zhamoydik, State Educational Establishment «University of Сivil Protection of the Ministry for Emergency Situations of the Republic of Belarus»; ul. Mashinostroiteley, 25, Minsk, 220118, Belarus

Chair of Fire Safety, Associate Professor; PhD in Technical Sciences

Vadim A. Kudryashov, State Educational Establishment «University of Сivil Protection of the Ministry for Emergency Situations of the Republic of Belarus»; ul. Mashinostroiteley, 25, Minsk, 220118, Belarus

Department of Scientific and Innovation Activity, Head of Department; PhD in Technical Sciences, Associate Professor

Vladimir A. Osyaev, State Educational Establishment «University of Сivil Protection of the Ministry for Emergency Situations of the Republic of Belarus»; ul. Mashinostroiteley, 25, Minsk, 220118, Belarus

Chair of Fire Safety, Associate Professor; PhD in Technical Sciences

Ivan I. Polevoda, State Educational Establishment «University of Сivil Protection of the Ministry for Emergency Situations of the Republic of Belarus»; ul. Mashinostroiteley, 25, Minsk, 220118, Belarus

Head of University; PhD in Technical Sciences, Associate Professor

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Published

2019-08-05

How to Cite

Basakovich И., Botyan С., Zhamoydik С., Kudryashov В., Osyaev В. and Polevoda И. (2019) “Knauf Fireboard fire protection efficiency for vertical steel profiles of various cross section shapes”, Journal of Civil Protection, 3(3), pp. 268–282. doi: 10.33408/2519-237X.2019.3-3.268.

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