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Alexandre Govin, Arnaud Peschard, Emmanuel Fredon, René Guyonnet

New insights into wood and cement interaction

Keywords: alkaline degradation, Electrical Conductivity, extractives, hydration of cement, setting retardation, wood-cement composites

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 the impact of soft alkaline conditions on wood fiber. Some of the constituents were hydrolyzed and converted into carboxylic acids, which were identified and quantified. Monitoring by electrical conductivity clearly showed that wood extractives are less effective than wood alkaline degradation products in inhibiting the hydration of cement.

Holzforschung, Walter de Gruyter

Print ISSN: 0018-3830
Volume: 59, 05/2005
Pages: 330 - 335

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