Representativeness of the fiber parallel elasticity modulus value referring to the Brazilian standard C40 strength class in the design of timber structures - Batista, Mayara; Amorim, Arthur; Silva, Diogo Aparecido Lopes; Aquino, Vinicius Borges de Moura; Lahr, Francisco Antonio Rocco; Christoforo, André Luis (Ciência Rural, 2023)