Reinforced concrete is one of the most widely used building materials in the world. It consists of concrete material that is strengthened with steel bars or mesh, known as reinforcement, to increase its tensile strength and durability. The research in reinforced concrete focuses on improving the design, performance, and sustainability of reinforced concrete structures. This includes studying the behavior of reinforced concrete under various loads, developing new materials and techniques for reinforcement, and optimizing the design of reinforced concrete structures for safety and efficiency. Research in reinforced concrete also explores ways to reduce the environmental impact of concrete production and improve the long-term durability of reinforced concrete structures.