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Category : Concrete Admixtures

Admixtures are used to modify properties of concrete in fresh and hardened state. Articles on concrete admixtures are presented.

WATERPROOFING ADMIXTURES FOR CONCRETE

Waterproofing admixture for concrete is also called as water resisting admixture and permeability reducing admixture. These admixtures prevent the passage of water through hardened concrete under a pressure head. Water is an essential part of concrete construction from the mixing of ...

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FACTORS AFFECTING CONCRETE ADMIXTURES PERFORMANCE

The various factors which affect the performance of concrete admixtures are: 1. Type of super-plasticizer: The admixture will be more effective if molecular weight of the super-plasticizer is high. 2. Dosage: The quantity of admixture should be optimum. Excess of admixture may cause segregation ...

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ADVERSE EFFECT OF CONCRETE ADMIXTURE

Adverse effects due to improper application : Admixtures are used extensively to produce high workable, high strength high performance and highly durable concrete with minimum cost. However, these admixtures are not used judiciously and with the poor knowledge of admixture among ...

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