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Chapter 9

Admixtures

Aceleradores
Aceleradores
An admixture is an additional substance added to the concrete during mixing to include a unique feature. Admixtures used to accelerate the hardening of ...
Retardadores
Retardadores
In hot weather concreting, when the normal setting time is shortened by the higher temperature, it can lead to the formation of cold joints between ...
Plastificantes
Plastificantes
Consider concreting in locations that are difficult to access in a mold. Plasticizers help concrete compact on its own, enhancing workability with less ...
Superplastificantes
Superplastificantes
Superplasticizers are used to prepare fluid concrete that can be easily placed in dense reinforcement arrangements within a mold or for quick placement in ...
Aditivos y rellenos en el hormigón
Aditivos y rellenos en el hormigón
Fillers and additives are fine-grained materials with a fineness similar to Portland cement. Pozzolans and blast-furnace slag, used as cementitious ...
Impermeabilizantes y aditivos antibacterianos en hormigón
Impermeabilizantes y aditivos antibacterianos en hormigón
Concrete takes in water due to the surface tension in the capillary pores of the cement paste, which draws in water through capillary action. ...
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