The floating platform is made of pre-stressed concrete and/or pre-stressed lightweight concrete and/or pre-stressed fiber concrete.

rope for reinforcing of pre-stressed concrete

A mould bed for fabricating pre-stressed concrete elements has a mould frame (8) that extends between the ends of the bed.

open-textured concrete jointed culvert

The outer concrete skin (51) is formed integrally with a steel reinforced concrete base (60) in turn formed integrally with a steel reinforced concrete floor.

The gutter (1) is made of concrete, either cast using a template (18), or manufactured from precast concrete.

This invention relates to a complex fiber string used as a tension member of a PC structure.

Further, a tank comprising concrete elements prestressed both horizontally and vertically.

The invention relates to a reinforced or pre-stressed concrete part which is subjected to a transverse force (Q).

Pre- stressed concrete pyramidal tower (100) for wind power generators or chimneys, being bilt up of triangular sections, which comprise flat (30) and curved (20) joining segments, the curved segments (20) having the same curvature and dimensions.

The present bridge, in pre-stressed concrete, was inaugurated in 1976.

The type of architecture required the use of pre-stressed, post-tensioned concrete.

The prestressed concrete bridge was built between 2006 and 2013.

PC steel wires (22) project upward from the four corners of an upper edge (10A) of a concrete post (10).

Prestressed concrete ceilings are stabilized with steel wires