초록

A monolithic slab manufactured from light, generally foamy concrete between two layers of reinforced concrete, having smooth, or alternatively corrugated, exterior surfaces, to suit the particular utilization requirements thereof.

대표청구항 ▼

A building slab comprising: a first layer of solid, lightweight, foamed concrete, said first layer having first and second surfaces; a second layer of regular weight concrete coextensive with said first surface, disposed on said first surface, and having a thickness substantially less than said firs

A building slab comprising: a first layer of solid, lightweight, foamed concrete, said first layer having first and second surfaces; a second layer of regular weight concrete coextensive with said first surface, disposed on said first surface, and having a thickness substantially less than said first layer; metal reinforcing members embedded in said second layer; a third layer of regular weight concrete coextensive with said second surface, disposed on said second surface, and having a thickness substantially less than said first layer; and an adhesive film composed of a mixture of granite, cement, and glass fibers interspersed between said first and second layers and between said first and third layers.