Introducing a jointing method where the connectors are concealed within the wood and not exposed, excelling in high rigidity and high strength!
This document introduces a highly efficient and practical high-toughness wooden joint system. The GIR joint is an excellent joining method that offers many advantages, such as "the fasteners are concealed within the wood and are not exposed, making it aesthetically pleasing," "high rigidity and high strength," and "no play and a simple fit." It also includes details on the development activities conducted, including rod development, fundamental element testing, basic testing, and full-scale experiments. [Contents] ■ Activities conducted for development ■ GTR construction method – joint shape ■ Adaptation to this project *For more details, please refer to the PDF document or feel free to contact us.
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[Items Implemented for Development] ■Rod Development ■Basic Element Testing ■Basic Testing ■Full-Scale Experiment *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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Tojo Sangyo Co., Ltd. manufactures low formaldehyde structural laminated timber and laminated timber for construction, providing services with stable quality through a consistent system of design, manufacturing, processing, and construction for medium to large-scale wooden buildings. - With one of the leading laminated timber factories in Eastern Japan and advanced production technology, we are capable of supplying high-quality wooden products. - We provide total technical support from the planning stage of wooden construction to the completion of the project. - In medium to large-scale wooden construction, we have delivered and constructed over 800 buildings nationwide.