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Structural transformations of bioactive glass 45S5 with thermal treatments
Abstract We report on the structural transformations of Bioglass® during thermal treatments. Just after the glassy transition, at 550 °C, a glassy phase separation occurs at 580 °C, with theExpand
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Energy requirement for fine grinding of torrefied wood
Abstract The purpose of this study is to investigate the influence of torrefaction on wood grinding energy. Wood chips were torrefied at different temperatures and durations. The energy required toExpand
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Modelling anhydrous weight loss of wood chips during torrefaction in a pilot kiln.
Beech and spruce chips were torrefied in a batch rotating pilot kiln. For each torrefaction the temperature curve of the moving chips bed was recorded. The anhydrous weight loss (AWL) of eachExpand
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Aspects physico-chimiques de l'interaction bois - ciment. Modification de l'hydratation du ciment par le bois
L'utilisation de bois dans une matrice cimentaire confere des proprietes interessantes aux composites. L'importance des variations dimensionnelles et des retards de prises du materiau sont deuxExpand
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Cellulose ethers influence on water retention and consistency in cement-based mortars
Cellulose ethers (CE) are commonly used as additives to improve the quality of cement-based materials. As admixtures, they improve the properties of mortars such as water retention, workability, andExpand
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Effect of polysaccharides on the hydration of cement suspension
This work compares the effects induced by polysaccharides on the hydration of cement. It also brings new insights into the interaction mechanisms between these two components. Several parameters suchExpand
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Avrami's law based kinetic modeling of colonization of mortar surface by alga Klebsormidium flaccidum
Abstract The aim of this research was to modelize the colonization of mortar surface by green algae using Avrami's law. The resistance of mortars, with different intrinsic characteristics (porosity,Expand
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EFFECT OF POLYSACCHARIDES ON THE HYDRATION OF CEMENT PASTE AT EARLY AGES
This work deals with the relative efficiency of polysaccharides and their influence on cement hydration. Several parameters such as the structure, concentration, average molecular weight, and solubleExpand
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New insights into wood and cement interaction
Abstract This work deals with the influence of poplar extractives and poplar alkaline degradation products on the hydration of cement. The wood chemical composition was characterized to determine theExpand
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Modification of cement hydration at early ages by natural and heated wood
Heat treatments of wood are widely used for the reduction of wood swelling and dimensional instability of wood-cement composites. The effect of natural and heated wood on the hydration of cement atExpand
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