The ground granulated blast furnace slag (GGBFS) is a by-product of iron manufacturing which when added to concrete improves its properties such as workability, strength and durability.
Concrete Admixture
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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.
What are the Factors Affecting Workability of Concrete?
Factors affecting the workability of concrete are materials such as water content, cement concrete, sand and aggregate properties such as size, shape, grading, mix design ratio and use of admixtures.
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 ...
EFFECT OF TRANSIT TIME ON READY MIX CONCRETE
Ready mix concrete is generally produced in large quantity and is transported to distant places for placement in structural elements. Sometimes the distance can be in many kilometers or miles. So, the effect of this transit times can reduce the ...
Effect of Air Entrainment on Concrete Strength
Air entrainment affects compressive strength of concrete and its workability. It increases the workability of concrete without much increase in water-cement ratio. Compressive strength of concrete is inversely proportional to workability of concrete. When workability of concrete increases, its compressive ...
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 ...
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 ...