Normal strength concrete is a common construction material made from a mixture of cement, water, sand, and aggregates. It typically has a compressive strength of about 20 to 40 MPa (megapascals), making it suitable for various structural applications, such as buildings, pavements, and bridges. This type of concrete is valued for its durability, workability, and cost-effectiveness. The properties of normal strength concrete can be influenced by factors like the water-cement ratio and the quality of the aggregates used. It is often used in combination with reinforcement materials, such as steel rebar, to enhance its tensile strength and overall performance in construction projects.