This article examines numerical modeling of a support joint in a glulam frame structure. Traditionally, hinge joints in frame structures have been constructed as a system of welded plates. In chemically aggressive environments, the use of steel is difficult. Replacing steel elements with polymer composite plates can ensure the required service life. The plates are made using a polyester or acrylic binder with increased resistance to aggressive chemical environments. Composite plates are much lighter than metal, making installation quicker, simpler, and easier, significantly reducing labor costs. Composite fiberglass profiles are easy to process—they can be sawed, drilled, milled, and easily assembled with bolts and adhesives.

Keywords: spacer frame structure, steel plate, polymer composite material, modulus of elasticity, volumetric weight, horizontal deformation, support reaction, isofields of displacements