Normal Strength Concrete (NSC) Detailed Explanation of Normal Strength Concrete (NSC) 1. Composition: Normal Strength Concrete (NSC) is one of the most commonly used types of concrete, particularly in general construction projects. It is made by mixing cement, sand (fine aggregate), and coarse aggre...

History of Concrete History of Concrete Ancient Beginnings (circa 3000 BC - 500 BC): The origins of concrete can be traced back to ancient civilizations. The earliest known use of concrete-like materials was in Egypt around 3000 BC, where a mixture of mud and straw was used to bind bricks. However, ...