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Grades of Ordinary Portland Cement Based on IS Codes

Ordinary Portland Cement(OPC) is the most widely used cement in the construction world. It is the basic ingredient for producing concrete, mortar, stucco, and non-specialty grouts. Ordinary Portland Cement is graded based on its strength. The grade indicates ...

Dry Pack Mortar- Applications and Advantages

Dry pack mortar, which is also called deck mud or floor mud, is a mixture of sand, cement, and water. It is used to repair small spots, creating thick bed mortar for tile and brick placement, and bed ...

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.

Fly Ash – Properties, Types, Mechanism and Uses

Fly ash is a heterogeneous by-product material produced in the combustion process of coal used in power stations. It is a fine grey coloured powder having spherical glassy particles that rise with the flue gases. As fly ash contains pozzolanic ...

10 Largest Cement Companies in the USA

Cement production in the United States has a substantially large and well-established base with 120.5Mt per year, according to United States Geological Survey (USGS). Cement is produced either from integrated plants or grinding plants, but most of the USA production ...

Initial Setting Time and Final Setting Time of Concrete

Initial setting time of concrete is the time when cement paste starts hardening while final setting time is the time when cement paste has hardened sufficiently in such a way that 1 mm needle makes an impression on the paste in ...

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 ...