Bertrand Ruot
University of Paris
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Featured researches published by Bertrand Ruot.
9th CANMET [Canada Centre for Mineral and Energy Technology] /ACI [American Concrete Institute] (International Conference on Superplasticizers and other Chemical Admixtures in Concrete) | 2009
Laetitia Patural; Alexandre Govin; Bertrand Ruot; Olivier Devès; Philippe Grosseau
This paper describes how cellulose ethers are polymers frequently introduced into mortar formulations to improve water retention capacity and workability of the freshly-mixed materials. Physico-chemical parameters of these admixtures (molecular weight, granulometry, substitution degrees, etc.) seem to have a strong influence on mortar water retention capacity. In this paper, the influence of cellulose ether particle size was studied. Two behaviors were highlighted regarding the particle size effect on mortar water retention. On the one hand, for cellulose ethers providing intermediate water retention, this parameter is fundamental: the thinner the particles, the better the water retention. The increase in water retention was explained by the rate of dissolution of every fraction which was faster for the thinnest particles. On the other hand, for admixtures providing strong water retention, the effect of this parameter was weaker or not relevant. Indeed, a cellulose ether concentration threshold was noticed, justifying this behavior.
Solar Energy | 2009
Bertrand Ruot; Arnaud Plassais; Francois Olive; Laurent Guillot; Laurent Bonafous
Cement and Concrete Research | 2011
Laetitia Patural; Philippe Marchal; Alexandre Govin; Philippe Grosseau; Bertrand Ruot; Olivier Devès
Cement and Concrete Research | 2010
Jérémie Pourchez; Bertrand Ruot; Johan Debayle; E. Pourchez; Philippe Grosseau
International Biodeterioration & Biodegradation | 2012
Thu Hien Tran; Alexandre Govin; René Guyonnet; Philippe Grosseau; Christine Lors; Eric Garcia-Diaz; Denis Damidot; Olivier Devès; Bertrand Ruot
Cement and Concrete Research | 2006
Jérémie Pourchez; Philippe Grosseau; René Guyonnet; Bertrand Ruot
Cement and Concrete Research | 2010
Jérémie Pourchez; Philippe Grosseau; Bertrand Ruot
Cement and Concrete Research | 2010
Laetitia Patural; Patrice Porion; Henri Van Damme; Alexandre Govin; Philippe Grosseau; Bertrand Ruot; Olivier Devès
Cement and Concrete Research | 2012
Laetitia Patural; Jean-Pierre Korb; Alexandre Govin; Philippe Grosseau; Bertrand Ruot; Olivier Devès
International Biodeterioration & Biodegradation | 2013
Thu Hien Tran; Alexandre Govin; René Guyonnet; Philippe Grosseau; Christine Lors; Denis Damidot; Olivier Devès; Bertrand Ruot