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Cladding panels and wall systems on wooden frames are widely used in construction practice. Typically, waterproof plywood, OSB (oriented strand board), or asbestos-cement flat sheets are employed as cladding materials. With the expansion of the production base for glued panels and laminates, which are utilized both as window sills and components of casements and window frames, as well as in the furniture industry, it is deemed appropriate to use cladding panels made from glued strips or narrow boards. This solution will enhance the technical and economic characteristics of the considered class of structures. To prevent cracking of the glued-laminated cladding during building operation, pre-stressing in the transverse direction of the cladding is implemented, achieved through the incorporation of steel rods embedded in the mass of the cladding wood. The methodology and results of experimental studies on panels with glued-laminated cladding are discussed. The test specimens, featuring a U-shaped cross-section, have dimensions of 1.5 x 3.0 m in plan. The panels were subjected to various types of stress-deformation states – compression, bending, and combined compression with bending. Loads were applied using two schemes: solely on the main ribs and uniformly distributed across the entire area of the cladding. The cladding was positioned in the tension zone or compression zone of the cross-section, corresponding to the operational scheme of the panels within a building. To obtain an objective understanding of the panel performance under load during the experiments, deflections at characteristic sections, settlements of supports, fiber deformations of the main ribs, and glued-laminated cladding in mid-span, as well as the magnitude of shear between the cladding and supporting ribs, were measured. It has been demonstrated that the calculation methodology for the proposed panels should be based on theoretical principles applicable to similar structures with plywood cladding, incorporating appropriate adjustment coefficients for the cladding.

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Composite Glued Wooden Panels with Pre-stressed Cladding

  • 会议论文

  • 发表日期：

    2026年

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  • V. I. Zhadanov,
  • D. A. Ukrainchenko,
  • M. A. Arkaev,
  • I. V. Rudnev,
  • M. A. Nesterenko

摘要

Cladding panels and wall systems on wooden frames are widely used in construction practice. Typically, waterproof plywood, OSB (oriented strand board), or asbestos-cement flat sheets are employed as cladding materials. With the expansion of the production base for glued panels and laminates, which are utilized both as window sills and components of casements and window frames, as well as in the furniture industry, it is deemed appropriate to use cladding panels made from glued strips or narrow boards. This solution will enhance the technical and economic characteristics of the considered class of structures. To prevent cracking of the glued-laminated cladding during building operation, pre-stressing in the transverse direction of the cladding is implemented, achieved through the incorporation of steel rods embedded in the mass of the cladding wood. The methodology and results of experimental studies on panels with glued-laminated cladding are discussed. The test specimens, featuring a U-shaped cross-section, have dimensions of 1.5 x 3.0 m in plan. The panels were subjected to various types of stress-deformation states – compression, bending, and combined compression with bending. Loads were applied using two schemes: solely on the main ribs and uniformly distributed across the entire area of the cladding. The cladding was positioned in the tension zone or compression zone of the cross-section, corresponding to the operational scheme of the panels within a building. To obtain an objective understanding of the panel performance under load during the experiments, deflections at characteristic sections, settlements of supports, fiber deformations of the main ribs, and glued-laminated cladding in mid-span, as well as the magnitude of shear between the cladding and supporting ribs, were measured. It has been demonstrated that the calculation methodology for the proposed panels should be based on theoretical principles applicable to similar structures with plywood cladding, incorporating appropriate adjustment coefficients for the cladding.