Oral Presentation International Conference on Tomography of Materials & Structures

Assessment of weathering effects on acoustic behavior of mortars exposed to different environments using X-ray micro-CT (73)

Redouane Meftah 1 , Sylvain Berger 2 , Tamar Saison 2 , Gary Jacqus 2 , Alan Luna Cornejo 2 , Jean-Yves Laluet 2 , Veerle Cnudde 1
  1. Ghent University, GHENT, EAST FLANDERS, Belgium
  2. Saint-Gobain Research Paris, Aubervilliers, France

The aim of the study is to assess the effect of weathering on acoustic properties of mortars. X-ray micro-tomography was used to monitor the physical changes of mortar samples undergoing weathering cycles. Infunction of the number of cycles, the weathering zones were quantified as well as the appearance of fractures in three dimensions. This information was used as input to model acoustic parameters and validated with the macroscopic parameters and sound absorption spectrum which was quantified before and after weathering.

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