MATEC Web of Conferences
Volume 6, 2013Concrete Spalling due to Fire Exposure: Proceedings of the 3rd International Workshop
|Number of page(s)
|Experimental Investigation of Spalling Mechanisms
|17 September 2013
Effect of compressive loading on the risk of spalling
1 SIAME EA-4581, Sciences pour l'Ingénieur Appliquées à la Mécanique et au génie Électrique, University of Pau, Anglet, France
2 CSTB, Université Paris-Est, Centre Scientifique et Technique du Bâtiment (CSTB), Marne la Vallée, France
3 I2M / Environmental and Civil Engineering Dept, University of Bordeaux, France
Mechanical loading is an important parameter of spalling phenomenon likely to occur in concrete during heating. Several tests in laboratory have shown an increase of the risk of spalling in the compressed areas. In this study, a specific metallic frame has been developed to apply uniaxial and biaxial stresses on slabs during fire tests. Tests carried out on an ordinary concrete (fc28 = 37 MPa) exposed to ISO 834-1 temperature curve with several levels of uniaxial loading are presented. No spalling was observed when samples were loaded at 0, 5 and 10 MPa. In the opposite, spalling was observed when the compressive stress was increased to 15 MPa.
© Owned by the authors, published by EDP Sciences, 2013
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.