“…Void slabs are typically categorized into one-way void slabs, utilizing lightweight hollow pipes, and biaxial void slabs employing hollow bodies, depending on the method of constructing the voids [23][24][25][26]. Two-way voided slabs have garnered significant attention as a promising technological advancement aligning with contemporary objectives such as sustainable development, circular economy promotion, and carbon dioxide emission reduction [22,26,27]. Several reports suggest that the adoption of void slabs, which involve a reduced amount of concrete and incorporation of recycled materials for void formers, can align with the objectives outlined in building environmental assessment methodologies such as BREEAM and LEED [21,22,27,28].…”