Patent ID: 8006450

Claim:
A floor structure comprising: a plurality of composite construction elements arranged side by side and comprising: an elongated body made of expanded plastic material provided with an upper face; at least one reinforcing section bar longitudinally extending in said elongated body and having an upper portion protruding from the upper face of said body; a substantially reticular reinforcement metal structure of a concrete casting, supported by the upper portion of said at least one reinforcing section bar at a predetermined distance from the upper face of said elongated body made of expanded plastic material; a plurality of floor elements made of expanded plastic material supported by said composite construction elements and arranged at a predetermined distance from one another so as to define a plurality of transversal channels and a plurality of longitudinal channels adapted to house the concrete casting; wherein said floor elements are provided at a lower side with at least one longitudinal groove adapted to house the upper portion of said at least one reinforcing section bar.