| http://www.w3.org/ns/prov#value | - posite to each other andfixed ends.The casing and the hoop remain fixed to the concrete element and therefore it is very important that their cost be as low as possible.SUMMARY OF THE INVENTIONAccording to the present invention, the hoop is a tube made of intercrossed wires which are mutually blocked at least at the ends of the tube.Such loop and the casing may be manufactured together.Two embodim
|
