Role of different superplasticizers on hydrated lime pastes and mortars
Keywords: 
Metakaolin
Nanosilica
Zeta potential
Pozzolan
Admixture
Issue Date: 
Oct-2015
Editorial note: 
The Chinese Ceramic Society; China Building Materials Academy
Citation: 
Durán A, Navarro-Blasco I, Pérez-Nicolás M, Sirera R, Fernández JM, Álvarez JI. ""Role of different superplasticizers on hydrated lime pastes and mortars"". EN: Proceedings of the 14th International Congress on the Chemistry of Cement (CD): Section 4, Admixtures.
Abstract
The use of plasticizing admixtures in order to improve the handling of cement-based media has been extensively reported. High-range water reducers or superplasticizers (SPs) act reducing the water demand and enhancing the flowability of the fresh mortars, yielding workable materials. So far little attention has been devoted to the study of the performance of superplasticizers in lime-bearing pastes and mortars. The widespread use of hydrated lime and pozzolan-hydrated lime pastes for paints, consolidant products, soil treatments and the obtaining of repair mortars and grouts, especially for architectural monuments of the Cultural Heritage, supports the interest of these materials. In order to design suitable hydrated lime pastes and mortars, the use of compatible and effective SPs seems to be imperative.

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