Composite element， formwork beam and method for producing a composite element

Composite element (1) comprising a first part (2) made of a first wood material with a first adhesive surface (4) and a second part (3) with a second adhesive surface (7)， the first part (2) and the second part (3 ) are glued together on the first adhesive surface (4) and the second adhesive surface (7)， the first adhesive surface (4) and / or the second adhesive surface (7) being corrugated (5) from elongated， preferably substantially parallel， depressions ( 8). Furthermore， a formwork support (10)， a first belt element (12) being formed by a composite element (1)， a method for producing a composite element (1) and a method for producing a formwork support (10).