Cold-formed thin-walled steel-fast-growing wood combined structure and construction method thereof

By combining cold-bent thin-walled steel with fast-growing wood, a steel-wood composite structure is formed, which solves the seismic performance and durability problems of residential structures, achieves lightweight, environmentally friendly and efficient construction, and is suitable for low-rise and multi-story buildings.

CN120739221APending Publication Date: 2025-10-03TIANJIN UNIV
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Patent Information

Application Number
CN202511165720.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-20
Publication Date
2025-10-03

AI Technical Summary

Technical Problem

Existing residential structures have problems such as weak seismic resistance, insufficient durability and stability, high carbon emissions and poor environmental protection. Traditional light steel structures have insufficient thermal insulation performance and stability issues. Fast-growing wood has low density, is easy to deform, and has weak corrosion resistance, making it difficult to use as the main structural component.

Method used

Cold-bent thin-walled steel is combined with fast-growing wood to form a steel-wood composite structure, which is connected by screws, bolts and metal connectors to achieve full prefabrication and assembly. Screw pile foundations are used instead of traditional concrete pouring, combining the advantages of light steel and fast-growing wood to provide high strength, thermal insulation performance and construction efficiency.

Benefits of technology

It achieves lightweight structure, efficient construction, reliable connection, environmental protection and sustainability, reduces material costs and carbon emissions, is suitable for low-rise buildings, especially village and town residences and small public buildings, and has good earthquake resistance and deformation resistance.

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Abstract

The invention provides a cold-formed thin-walled steel-fast-growing wood composite structure and a construction method thereof, and belongs to the technical field of building structure engineering. The system comprises a steel-wood composite beam, a steel-wood composite column, a secondary beam, a steel-wood composite floor, a roof truss, a ground beam, a spiral pile, a steel bearing platform and a purline. The light steel-fast-growing wood composite beam and the light steel-fast-growing wood composite column are formed by combining the light steel and the wood boards, steel-wood composite stress is achieved, and the light steel-fast-growing wood composite beam and the light steel-fast-growing wood composite column have the advantages of being light in structure, efficient in construction, reliable in structure connection, environmentally friendly, sustainable and the like.
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