Frame structures made of composite steel-timber I-beams with corrugated steel webs
Abstract
Frame structures made of composite steel–timber I-beams with transversely corrugated steel webs represent an innovative composite solution in the construction industry, combining the strength of steel with the environmental benefits of timber. These structures offer significant advantages, including a high strength-to-weight ratio, improved thermal and acoustic performance, enhanced seismic resistance, and high corrosion resistance. From an economic perspective, their use reduces overall construction costs due to lower self-weight, high manufacturability, and ease of installation. The combination of a thin profiled steel web and massive timber flanges ensures optimal utilization of the physical and mechanical properties of both materials, increasing the load-bearing capacity and stiffness of the elements while reducing their weight by a factor of 2–3 compared to traditional steel or solid timber beams The technological aspects of manufacturing elements of constant and variable cross-section are revealed, including the mechanical pressing of the corrugated wall into the wood and glue joints based on two-component epoxy mixtures. The ability to adjust the height of frame cross-sections allows for the optimization of material consumption depending on the bending moment diagram, which increases the efficiency of structures. The advantages of such structures in thermal insulation and prevention of thermal bridges, improved acoustic comfort, long-term durability, and corrosion resistance due to the use of galvanized steel are highlighted. For Ukraine, the implementation of frame structures made of composite steel–timber I-beams is of strategic importance. They will contribute to increasing the competitiveness of domestic production, reducing dependence on imported materials and technologies, and supporting the development of the country’s scientific and engineering potential. Further development and standardization of these structures open broad prospects for creating energy-efficient, reliable, and economically viable buildings, which is critically important in the context of infrastructure reconstruction and modernization.
Reference
Ihor Skliarov; Tetiana Skliarova. (2025). Frame structures made of composite steel-timber I-beams with corrugated steel webs. Building constructions. Theory and Practice. https://doi.org/10.32347/2522-4182.17.2025.92-101
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