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Study of porosity on CBPC mortars formulated with low-grade magnesium oxide as a function of the amount of admixture and setting conditions

Author
Haurie, L.; Formosa, J.; Chimenos, J. M.; Valle, R.; Niubó, M.
Type of activity
Presentation of work at congresses
Name of edition
14th European and Exhibition Congress on Advanced Materials and Processes
Date of publication
2013
Presentation's date
2013-09-10
Book of congress proceedings
European Congress and Exhibition on Advanced Materials and Process
First page
1
Last page
1
Abstract
This research work aims to study the porosity of these CBPC formulated with LG-MgO as a function of the amount of setting retardant admixtures, such as boron compounds or polyphosphates. These additives improve the fluidity of the fresh paste and its workability, shifting the equilibrium of acid - base reaction between the metal oxide and the phosphates. By this way, the initial setting time can be delayed and the release of the heat flux from exothermic reaction decreased. Both parameters have ...
Group of research
GICITED - Interdisciplinary Group on Building Scienceand and Technology

Participants

  • Haurie Ibarra, Laia  (author and speaker )
  • Formosa Mitjans, Joan  (author and speaker )
  • Chimenos Ribera, Josep Maria  (author and speaker )
  • Valle, Ricardo  (author and speaker )
  • Niubo Eslava, Maria  (author and speaker )