The half-precast concrete slab system is an innovative approach in modern construction, combining the benefits of both precast and cast-in situ concrete techniques. This system involves the use of precast concrete elements, typically slabs, which are partially constructed off-site and then transported to the construction site for final placement and integration with cast-in situ concrete. The half-precast method aims to optimize construction efficiency, reduce labor costs, and enhance the quality and durability of concrete structures. This hybrid system is particularly advantageous in severe environmental conditions, where traditional construction methods might struggle to maintain structural integrity and performance. The half-precast slabs provide a robust and reliable base, while the in situ concrete topping ensures a monolithic structure that can withstand various environmental stresses.