(10) US 2013/0160385 A1
(43) Jun. 27, 2013
(76) Alberto Alarcon Garcia, Madrid (ES)
(57) A lightweight slab including two main parallel reticular reinforcements (5) (6) separated by secondary reinforcements and arranged to form a double diagonal, a single diagonal or to be perpendicular in relation to the main reinforcements. All of the reinforcements are embedded in a volume of concrete filling which covers and protects such reinforcements and which is defined by a suitable formwork or mold which creates voids in a hypothetical prismatic volume and which is formed by hollow...