Method of erecting a multi-story building

摘要

An improved method of concrete building slab construction comprising positioning a precast base portion having longitudinally extending bridge-type reinforcing units or joists pre-stressed in place therein, with the reinforcing units being transversely stiffened on precast concrete wall panels having vertical voids and covering the slabs with concrete during final pouring operations at the building site wherein the concrete enters the vertical voids.