PERFORMANCE OF PASSIVE PROTECTION OF CROSS LAMINATED TIMBER DURING STANDARD FURNACE TESTS AND NATURAL FIRES
(2023) 13th World Conference on Timber Engineering: Timber for a Livable Future, WCTE 2023 In 13th World Conference on Timber Engineering, WCTE 2023 3. p.1839-1847- Abstract
This paper presents the results of an experimental campaign designed to compare and understand the performance of passive protection under exposure to standard furnace tests and natural fires. As part of this campaign, five natural fire experiments were performed with partially protected cross-laminated timber (CLT) compartments under a range of ventilation conditions. In all the tests, only one side wall was left completely unprotected, and all other timber surfaces were protected with either two layers of 18 mm standard gypsum boards (GB) or two layers of 25 mm standard GBs. The structural CLT ceilings were subjected to a superimposed dead load of 1.35 kN/m² during the natural fire tests, and the fire load was (on average) 950 MJ/m²;... (More)
This paper presents the results of an experimental campaign designed to compare and understand the performance of passive protection under exposure to standard furnace tests and natural fires. As part of this campaign, five natural fire experiments were performed with partially protected cross-laminated timber (CLT) compartments under a range of ventilation conditions. In all the tests, only one side wall was left completely unprotected, and all other timber surfaces were protected with either two layers of 18 mm standard gypsum boards (GB) or two layers of 25 mm standard GBs. The structural CLT ceilings were subjected to a superimposed dead load of 1.35 kN/m² during the natural fire tests, and the fire load was (on average) 950 MJ/m²; chosen to represent the Eurocode 1991-1-2 characteristic value for dwellings. The performance of the passive protection was mainly evaluated with regards to the time to reach a protected timber surface temperature of 250°C. The testing confirms that the resulting fire protection performance of a given gypsum board layout depends on the ventilation conditions of the fire compartment, with more severe (and closest to ISO testing) outcomes when testing under ventilation-controlled scenarios. This paper provides data that sheds light on the co-dependency of the passive protection design and compartment fire dynamics and underlines the importance of considering the safety objectives of a building when defining the performance criteria of its structural elements.
(Less)
- author
- Mohaine, Siyimane ; Colic, Antonela ; Morrisset, David ; Mindeguia, Jean Christophe ; Franssen, Jean Marc ; Zehfuss, Jochen ; McNamee, Robert LU ; Bisby, Luke and Robert, Fabienne
- organization
- publishing date
- 2023
- type
- Chapter in Book/Report/Conference proceeding
- publication status
- published
- subject
- keywords
- Cross laminated timber, Fire protection, Gypsum Plasterboard, Mass timber, Natural fire
- host publication
- 13th World Conference on Timber Engineering, WCTE 2023
- series title
- 13th World Conference on Timber Engineering, WCTE 2023
- editor
- Nyrud, Anders Q. ; Malo, Kjell Arne ; Nore, Kristine ; Alsen, Knut Werner Lindeberg ; Tulebekova, Saule ; Staehr, Efthymia Ratsou ; Bergh, Gabrielle and Wuyts, Wendy
- volume
- 3
- pages
- 9 pages
- publisher
- World Conference on Timber Engineering (WCTE)
- conference name
- 13th World Conference on Timber Engineering: Timber for a Livable Future, WCTE 2023
- conference location
- Oslo, Norway
- conference dates
- 2023-06-19 - 2023-06-22
- external identifiers
-
- scopus:85172666252
- ISBN
- 9781713873297
- DOI
- 10.52202/069179-0243
- language
- English
- LU publication?
- yes
- id
- e630dc03-c43c-487f-88b1-cfe9a34c6680
- date added to LUP
- 2023-12-20 13:54:35
- date last changed
- 2023-12-21 07:30:39
@inproceedings{e630dc03-c43c-487f-88b1-cfe9a34c6680,
abstract = {{<p>This paper presents the results of an experimental campaign designed to compare and understand the performance of passive protection under exposure to standard furnace tests and natural fires. As part of this campaign, five natural fire experiments were performed with partially protected cross-laminated timber (CLT) compartments under a range of ventilation conditions. In all the tests, only one side wall was left completely unprotected, and all other timber surfaces were protected with either two layers of 18 mm standard gypsum boards (GB) or two layers of 25 mm standard GBs. The structural CLT ceilings were subjected to a superimposed dead load of 1.35 kN/m² during the natural fire tests, and the fire load was (on average) 950 MJ/m²; chosen to represent the Eurocode 1991-1-2 characteristic value for dwellings. The performance of the passive protection was mainly evaluated with regards to the time to reach a protected timber surface temperature of 250°C. The testing confirms that the resulting fire protection performance of a given gypsum board layout depends on the ventilation conditions of the fire compartment, with more severe (and closest to ISO testing) outcomes when testing under ventilation-controlled scenarios. This paper provides data that sheds light on the co-dependency of the passive protection design and compartment fire dynamics and underlines the importance of considering the safety objectives of a building when defining the performance criteria of its structural elements.</p>}},
author = {{Mohaine, Siyimane and Colic, Antonela and Morrisset, David and Mindeguia, Jean Christophe and Franssen, Jean Marc and Zehfuss, Jochen and McNamee, Robert and Bisby, Luke and Robert, Fabienne}},
booktitle = {{13th World Conference on Timber Engineering, WCTE 2023}},
editor = {{Nyrud, Anders Q. and Malo, Kjell Arne and Nore, Kristine and Alsen, Knut Werner Lindeberg and Tulebekova, Saule and Staehr, Efthymia Ratsou and Bergh, Gabrielle and Wuyts, Wendy}},
isbn = {{9781713873297}},
keywords = {{Cross laminated timber; Fire protection; Gypsum Plasterboard; Mass timber; Natural fire}},
language = {{eng}},
pages = {{1839--1847}},
publisher = {{World Conference on Timber Engineering (WCTE)}},
series = {{13th World Conference on Timber Engineering, WCTE 2023}},
title = {{PERFORMANCE OF PASSIVE PROTECTION OF CROSS LAMINATED TIMBER DURING STANDARD FURNACE TESTS AND NATURAL FIRES}},
url = {{http://dx.doi.org/10.52202/069179-0243}},
doi = {{10.52202/069179-0243}},
volume = {{3}},
year = {{2023}},
}