Post tensioning is a modern construction technique used to enhance the strength and durability of concrete structures. This method involves the use of post tension cables, which are high-strength steel strands that are placed within the concrete before it is poured. Once the concrete has cured, these cables are tensioned, creating a compressive force that helps to counteract tensile stresses. This innovative approach allows for the construction of thinner slabs, such as post tension slabs, and reduces the amount of concrete needed, making it a cost-effective solution. Compared to traditional rebar reinforcement, post tensioning offers superior performance, especially in applications like post tension foundations, where stability and resilience are crucial.