Cellular concrete is a special engineered concrete manufactured by mixing Portland cement, sand, fly ash, water and pre-formed foam in varied proportions to form a hardened material having an oven-dry density of 50 pounds per cubic foot (PCF) or less. As ...
Concrete Admixtures Guide
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How to Repair Stamped Concrete?
Stamped concrete is an innovative concrete widely applied for the floor in patios, car porch, driveways and sidewalks. It is extremely docile in nature and can be finished to resemble brick, slate, flagstone, tile, stone, wood and various other patterns ...
Efflorescence on Concrete – Causes, Prevention and Removal
Efflorescence in concrete is a whitish coloured powdered deposition of salts on the concrete surface that is formed due to evaporation of water from the concrete. It is caused when water soluble salts are present in the concrete material, which ...
Viscosity Modifying Admixtures (VMAs) in Concrete
Viscosity Modifying admixtures or VMAs are the admixtures used to change the properties such as viscosity, workability, cohesiveness etc. of fresh concrete. Function of VMA and Applications in different types of concretes are discussed below. Function of Viscosity Modifying Admixture ...
Role of Calcium Chloride in Concrete
Calcium chlorides is used as accelerator in hydration process of cement, leading to quick set of concrete and to get high initial strength concrete. Maximum permissible limit of addition of calcium chloride is 2% in flake form. Methods of Adding ...
Blended Cement – Characteristics, Types and Uses
Blended cement can be defined as uniform mix of ordinary Portland cement (OPC) and blending materials such as silica fumes, fly ash, limestone and slag to enhance its properties for different uses. Blended cement can improve workability, strength, durability and ...
15 Types of Admixtures Used in Concrete
Admixtures are defined as the material other than the aggregate, water and cement added to the concrete. The use of suitable admixture can result in the enhancement the performance of concrete.
Blast Furnace Slag Cement – Manufacture, Properties and Uses.
Blast furnace slag cement is the mixture of ordinary Portland cement and fine granulated blast furnace slag obtained as a by product in the manufacture of steel with percent under 70% to that of cement. Ground granulated blast furnace slag ...