Patent 8177930 was granted and assigned to Lafarge on May, 2012 by the United States Patent and Trademark Office.
A process for the production of a structural element in which at least two units of concrete are assembled by gluing, the compressive strength of the concrete being greater than 80 MPa. A structural element includes at least two glued units of concrete, the compressive strength of the concrete being greater than 80 MPa.