Numerical analysis of glued laminated timber beams reinforced by Vectran fibers
Autor(en): |
Nilson Tadeu Mascia
Carlos Augusto Abade Bertoline Cilmar Donizeti Baságlia Bruno Fazendeiro Donadon |
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Medium: | Fachartikel |
Sprache(n): | Englisch |
Veröffentlicht in: | Ambiente Construído, September 2018, n. 3, v. 18 |
Seite(n): | 359-373 |
DOI: | 10.1590/s1678-86212018000300286 |
Abstrakt: |
Some factors, such as environmental actions and load increases, can cause a necessity to restore a structural element. An efficient method typically used is to reinforce the structure with a high mechanical property´s material. In this study, a numerical approach of glued laminated timber beams reinforced with the following synthetic fibers: Vectran®, carbon and glass fibers was developed. Vectran® fibers have high performance and are employed in various areas, but not yet as a structural reinforcement. The beam models were designed on Ansys software-version 12 and the results were analyzed regarding the maximum stresses and displacements. When compared to unreinforced beam, the fiber reinforcement absorbed a great part of the acting stresses, reducing the tensile stress and the displacement maximum values. Considering mechanical properties and the material cost, Vectran® fiber is an interesting alternative for structural reinforcement, fitting its mechanical performance at an intermediate level between carbon fiber and glass fiber. |
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12.02.2020