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BEHAVIOUR OF BIO-BASED MATERIAL IN MULTILAYER WALL DURING FIRE TEST



Author(s): M. Dalmais, V. Colson, T. Le Cunff,O. Jadeau, C. Lanos
Paper category: Proceedings
Book title: 3rd International Conference on Bio-Based Building Materials ICBBM 2019
Editor(s): Mohammed Sonebi and Sofiane Amziane
ISBN:
e-ISBN: 978-2-35158-229-9
Publisher: RILEM Publications SARL
Publication year: 2019
Pages: 423 - 429
Total Pages: 7
Language: English


Abstract: In the frame of Isobio project, several multi-layers solutions were developed to be used as typical wall for new building. The proposed solution wall is made of a wood frame and a commercial oriented strand board (OSB) filled with flexible insulation panel (hemp-flax-cotton panel). Rigid insulation panels placed on each faces (compressed straw board and rigid hemp panel) support a lime based external render and a clay-based plaster. Alternatives solutions are derived from the referent solution. The fire resistance of three building solutions is evaluated at a representative scale using ISO 834 fire curve. Four test configurations are tested placing thermocouples at each interface of the multilayer wall to record the heating kinetic. Smoke resistance, cracks and color changes are quoted during the test. The analysis of specimens degradation during fire test is full of interest to understand the fire behavior of such type of bio-based materials and to confirm the design of the proposed building solutions. It is confirmed that the plaster or the render layers have a key role in the fire behavior. The results obtained with the referent solution highlight the relevance of the solutions.


Online publication: 2019
Publication type: full_text
Public price (Euros): 0.00


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