| Revista: | Maderas : ciencia y tecnología |
| Base de datos: | |
| Número de sistema: | 000534477 |
| ISSN: | 0718-221X |
| Autores: | Hanna, David1 Tannert, Thomas2 |
| Instituciones: | 1University of Northern British Columbia School of Engineering, Prince George. Canada 2University of Northern British Columbia School of Engineering, Prince George. Canada |
| Año: | 2021 |
| Volumen: | 23 |
| País: | Chile |
| Idioma: | Inglés |
| Resumen en inglés | Self-tapping screws are the recognized state-of-the-art in fastener technology for timber structures. Combining fasteners of different stiffness, such as self-tapping screws with different installation angles, can be advantageous to simultaneously achieve high connection stiffness and ductility. In this paper, experimental investigations on a total of 65 glued-laminated timber joints assembled with a variety of installation angles including several combinations of self-tapping screws acting axially in withdrawal with self-tapping screws acting laterally are presented. The connection performance was analyzed in terms of the load-carrying capacity, the deformation capacity, the stiffness, and the ductility. The findings demonstrated that joint assemblies with self-tapping screws loaded primarily laterally exhibit low stiffness but high ductility, whereas joint assemblies with self-tapping screws loaded primarily in withdrawal are very stiff but exhibit low ductility. Combining screws in different installation angles created glued-laminated timber connections that combine high stiffness with high ductility. Existing analytical expressions were deemed suitable to estimate load-carrying capacity through simple summation of the different screws’ individual resistances. |
| Keyword: | Douglas fir, Glued-laminated timber, Shear connections, Self-tapping screws, Wood structures. |
| Texto completo: | Texto completo (Ver HTML) Texto completo (Ver PDF) |
