Which of the following is essential for the structural integrity of slabs on the ground?

Reinforcement steel is crucial for maintaining the structural integrity of slabs on the ground. It provides tensile strength to the concrete, which is naturally strong in compression but weak in tension. When concrete is under load, especially in environments where it may crack due to thermal expansion, shrinkage, or other forces, the reinforcement steel helps hold the slab together and prevents or minimizes cracking and structural failure.

The presence of reinforcement steel allows slabs to withstand bending and tensile forces that may occur during their lifespan, particularly in settings where they are subjected to heavy loads or variations in weather conditions. This is especially important for applications such as driveways, foundations, and floors, where structural performance is paramount.

While improper drainage, poor fill material quality, and issues with temperature control can all negatively impact the slab, the addition of reinforcement steel serves as a fundamental measure to surpass these challenges, ensuring the slab performs reliably over time.