RILEM Technical Committee Hygrothermal behaviour and Durability of Bio-aggregate based building materials
No project:TC HDB
Partners:
2016-2020
Description of the project:The work of the Technical Committee (TC) will be to study hygrothermal behaviour and durability of building materials made from plant particles. The main issue is to meet the expectations of building materials with low environmental impact. The TC will focus on bio-composites made from particles or fibres issued from hemp and flax for which the industry is structured. These particles and fibres are used as aggregates or admixtures in combination with one binder or more. All binders that are compatible for use with plant material can be considered in the TC’s work: mineral binders which have been developed for use with bio-aggregate or organic binder which have been less investigated.
Objectives:The first objective is to characterize the hygrothermal behavior of bio-aggregate based building materials. The aim of this TC is to define a parameter which allows highlighting the hygrothermal performance of bio-aggregate based building materials and how to measure it. The second objective relates to the durability of bio-aggregate based composite materials. This may affect their physical properties (density, porosity, mechanical properties, hygrothermal….) and induce mould growth. However, durability test are aggressive. This study should simulate the conditions and then compare several materials
Main Activities:The working group will provide a comprehensive view and a critical review of: characterization of the hygrothermal behaviour of bio-aggregate based building materials; investigation of durability of bio-aggregate based building materials
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