In accordance with the government’s “Waste to Wealth” mission, the state-owned National Highways Authority of India (NHAI) announced on 15th March that it has begun using steel slag in road construction on a trial basis. When molten steel is separated from impurities in steel-making furnaces, steel slag, a by-product of the process, is formed. Copper, steel, and aluminum are just a few of the refined metals found in slag. Slag keeps highways from breaking or changing shape over time because of its durability. Additionally, slag hinders corrosion.
The production of steel on an industrialized scale began as early as the 1800’s in America and England. When steel was first manufactured in 1820 in Sheffield, England, it ushered in an era of rapid social, economic and industrial development. The invention of the steam engine further fastened the process of steel manufacturing and led to unprecedented economic development.
Cement production is vital for the rapid economic development of any country. India is actually one of the largest producers of Cement. India holds the unique distinction of having an installed capacity of 500 million tons per annum with a production of 298 million tons per annum. Andhra Pradesh is the largest producer of cement followed by Rajasthan, Karnataka, Madhya Pradesh and Kerala.
Cement is the principal commodity of any foundation. Cement comes in different categories, grades and has varied properties. In India,. Cement is differentiated mostly on the quantity requirement, as Trade or non-Trade. To understand how to purchase non-trade cement its first important to address the meaning and difference between the two.
Cement is the root of any construction. House construction is a big commitment in terms of money and efforts. Anyone committing to constructing their own house always has a plethora of questions, what cement to use is a consistent one. Cement is classified into a grading system. These grades are appointed on the compression strength of concrete, which is the ability to hold the load without falling apart. The strength of any cement is measured in megapascals and can be accurately determined after 28 days of setting. Different grades of cement are used for different infrastructure developments, the following are a few cement grades used extensively for house construction.