Concrete admixtures (additives) enhances the properties of concrete for applications in construction with special requirements. Concrete additives are used to achieve desired workability in case of low water cement ratio, and to enhance setting time of concrete for long distance ...
Category: Concrete Admixtures
Admixtures are used to modify properties of concrete in fresh and hardened state. Articles on concrete admixtures are presented.
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Different Types of Concrete Curing Compounds, their Properties and Uses
Concrete curing compound prevents moisture content loss from concrete and enables proper curing of concrete which results in full development of strength.
Waterproofing Admixtures for Concrete – Requirement, Functions, Dosage and Mechanism
What is Waterproofing Admixture for Concrete? Waterproofing admixture is a type of admixture which prevents the passage of water through hardened concrete under a pressure head. It is also called as water resisting admixture or permeability reducing admixture or damp ...
Types of Concrete Chemicals (Admixtures) and their Applications
Concrete chemicals or admixtures are materials other than cement, aggregate and water that are added to concrete either before or during its mixing to alter its properties, such as workability, curing temperature range, set time or color. Some concrete admixtures ...
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 ...
Standard Codes for Concrete Admixtures
As per ACI 212.3R-10, Concrete admixture is a material other than water, aggregates, hydraulic cement, and fiber reinforcement used as an ingredient of concrete or mortar, and added to the batch immediately before or during its mixing. Concrete admixtures are ...
Properties and Uses of Different Types of Concrete Admixtures
What are Concrete Admixtures? Ingredients other than cement, water, and aggregates that impart a specific quality to either plastic (fresh) mix or the hardened concrete (ASTM C496) is called concrete admixture. Why use Concrete Admixtures? Reduce the cost of concrete ...
Accelerating Water-Reducing Concrete Admixtures
Accelerators increase the initial rate of chemical reaction between the cement and the water so that the concrete stiffens, hardens, and develops strength more quickly. They have a negligible effect on consistence, and 28-day strengths are seldom affected. Accelerating admixtures ...