PRESTRESSING PROCESS THROUGH PRESTRESSED CONCRETE BARS ACTIVATED FROM THE MIDDLE SECTION OF THE BAR

摘要

A process for molding prestressed slender and corrugated surface concrete bars to be used subsequently in casting concrete pieces or structures includes, placing them conveniently inside said pieces or structures, in order to also prestress said pieces or structures by gripping and relieving the tensions contained in said bar from the middle section of its longitudinal length.