What is concrete B40?

Concrete B40 refers to a specific grade of concrete characterized by its compressive strength of 40 MPa (megapascals) at 28 days of curing. The "B" in B40 typically indicates a blend of cement, aggregates, and water that meet this strength requirement. It is commonly used in structural applications where high strength is necessary, such as in beams, columns, and foundations. The mix design may vary based on local standards and specific project requirements.