Abstract
Wood is widely used in construction for the production of walls, partitions, floor structures and roofs. Since wood is an anisotropic material, its physical and mechanical properties depend on many factors, including the presence of defects in the form of knots and cracks. To ensure the stability of the properties of the structure, they are made by layer-by-layer gluing of wooden blanks with removed defects. Based on the conducted research, it was found that the strength of the adhesive joint is limited by the strength of the wood to cleave along the fibers, especially for spruce species. To strengthen the deeper layers of wood, it is proposed to prick the glued surfaces. Through the holes, the glue gets into deeper layers and spreads over the tracheal cells, making them more durable. The experiments showed that the strength of the joint with impaled wood is 27% higher compared to wood without impaling.
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Change history
23 April 2021
In the original version of the book, the following correction has been incorporated: In Chapter 33, Reference 17 has been updated as Benvenuti, E., Orlando, N., Gebhardt, C., Kaliske, M.: An orthotropic multi-surface damage-plasticity FE-formulation for wood: Part I – Constitutive model. Computers & Structures 240 (2020).
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This work was realized in the framework of the Program of flagship university development on the base of the Belgorod State Technological University named after V G Shukhov, using equipment of High Technology Center at BSTU named after V. G. Shukhov.
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Ovsyannikov, S.I., Suska, A.A., Levkin, D.A., Rudenko, O.L. (2021). Strengthening of the Adhesive Joint in the Production of Glued Beams. In: Klyuev, S.V., Klyuev, A.V. (eds) Proceedings of the International Conference Industrial and Civil Construction 2021. ICICC 2021. Lecture Notes in Civil Engineering, vol 147. Springer, Cham. https://doi.org/10.1007/978-3-030-68984-1_33
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