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Experimental investigation of joints with multiple glued-in rods in glued-laminated timber under axial tensile loading
Highlights Thirty-five specimens with 4, 6, 8 and 10 glued-in rods tested in axial tension. No correlation found between the number of rods and reduction of the resistance of the joints. Manufacturing or installation defects may provoke premature brittle failures. Wood splitting followed the initial rupture due to the onset of eccentricity. Transverse reinforcement is recommended for joints with rods glued-in parallel to grain.
Abstract This project focused on the investigation of the short-term behaviour of connections with 4, 6, 8 and 10 threaded steel rods bonded-in parallel to the grain of glulam timber and loaded in axial tension. The joints were designed with the intent to achieve the yielding failure of the rods while optimizing the cross-sections with an equal stiffness of the timber members and of the steel rods. In parallel, experimental tests and a finite element analysis (FEA) were conducted to determine the impact of the variability of the strength of the rods, the impact of the tightening of nuts and the impact of the stiffness of the load-transferring devices on the load distribution, on the behaviour of the joints.
Experimental investigation of joints with multiple glued-in rods in glued-laminated timber under axial tensile loading
Highlights Thirty-five specimens with 4, 6, 8 and 10 glued-in rods tested in axial tension. No correlation found between the number of rods and reduction of the resistance of the joints. Manufacturing or installation defects may provoke premature brittle failures. Wood splitting followed the initial rupture due to the onset of eccentricity. Transverse reinforcement is recommended for joints with rods glued-in parallel to grain.
Abstract This project focused on the investigation of the short-term behaviour of connections with 4, 6, 8 and 10 threaded steel rods bonded-in parallel to the grain of glulam timber and loaded in axial tension. The joints were designed with the intent to achieve the yielding failure of the rods while optimizing the cross-sections with an equal stiffness of the timber members and of the steel rods. In parallel, experimental tests and a finite element analysis (FEA) were conducted to determine the impact of the variability of the strength of the rods, the impact of the tightening of nuts and the impact of the stiffness of the load-transferring devices on the load distribution, on the behaviour of the joints.
Experimental investigation of joints with multiple glued-in rods in glued-laminated timber under axial tensile loading
Bouchard, Raphaël (author) / Salenikovich, Alexander (author) / Frenette, Caroline (author) / Bedard-Blanchet, Guillaume (author)
2021-02-03
Article (Journal)
Electronic Resource
English
| Engineering Index Backfile | 1964
Experimental investigation of the axial strength of glued-in rods in cross laminated timber
| BASE | 2018
Experimental investigation of the axial strength of glued-in rods in cross laminated timber
| Springer Verlag | 2018