Crushed limestone is interground with clinker to produce cement, reducing the needs for clinkermaking and calcination. The addition of up to 5% limestone has shown to have no negative impacts on the performance of Portland cement, while optimized limestone cement would improve the workability slightly.
Cement, mortar and concrete. Cement is made by heating powdered limestone with clay. Cement is an ingredient in mortar and concrete: mortar, used to join bricks together, is made by mixing cement with sand and water; concrete is made by mixing cement with sand, water and aggregate (crushed rock) Advantages and disadvantages of various .