The present invention consists of a method of manufacturing duo and trio wood beams reinforced by glued strips, based on the known technique of said beams duo and trio, but adding between the pines that form one or two reinforcing sheets, which it may be equal to or less than the edge of the beam. This method can be implemented in the usual production processes, providing significant increases in terms of ultimate strength and rigidity against deformation, in addition to improving ductility and moving away from the possibility of a breakage with loads lower than those theoretically foreseen, caused by a knot or other local heterogeneity in the beams. Furthermore, since the reinforcement sheet is glued between the pieces to be joined, it is protected from the rise in temperature in case of fire. It can also be used for reinforcement of beams and/or pillars in existing buildings. (Machine-translation by Google Translate, not legally binding)
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