Influence of bioresource on mineral binders hydration and vegetal concretes compressive strength
Abstract
Plant-based concretes are increasingly being used as building materials thanks to their insulating properties and reduced environmental impact. However, the use of these materials is still limited by the lack of knowledge and the high variability of their performance which makes it impossible to predict their mechanical performance from their initial formulation [1]. This study presents results of a project which aims to control the mechanical performance of plant-based concretes and to define compatibility indicators between mineral binders and plant particles. The impact of aggregates from three plant species (bamboo, hemp shiv and rapeseed) on the hydration kinetics of two cements (CEM IV, a pozzolanic cement, and LC3, a limestone calcined clay cement) is evaluated by isothermal calorimetry and mechanical tests.
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