Reinforcement of existing beam after hole cutting: "Redouble Method"
Post-extraction opening reinforcement of beams using carbon fiber and cast steel plates - 'Redouble Method'
The "Ridabble Method" is a reinforcement technique that uses carbon fiber sheets, carbon fiber plates, and specialized anchoring hardware (cast steel plates) to shear-reinforce the cut-out sections of existing beams, allowing them to achieve a load-bearing capacity equal to or greater than that of the beams before the openings. This method has obtained general evaluation certification. Unlike traditional anchoring methods using L angles or flat bars for carbon fiber sheets, this method is compact and simple, yet ensures reliable anchoring of the carbon fiber sheets. There are two types of anchoring plates: flat type and vertical type, which can also be applied to reinforcement of wall-mounted columns and T-shaped beams. 【Features】 ■ A method that has obtained general evaluation certification for opening reinforcement General evaluation (Public Interest Incorporated Foundation) Better Living CBL RC001-10 ■ Suitable for opening reinforcement due to equipment renewal ■ Allows for pseudo-closed reinforcement through the use of anchoring hardware ■ Applicable to underground beams as well *For more details, please refer to the PDF materials or feel free to contact us.
basic information
【Reinforcement Type】 ■U Shape ■I Shape *For more details, please refer to the PDF document or feel free to contact us.
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Delivery Time
Applications/Examples of results
【Usage】 ■Hole Reinforcement *For more details, please refer to the PDF document or feel free to contact us.
Detailed information
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Construction Procedure (Type I) 1. Attach CF sheet in the material axis direction.
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Construction procedure (Type I) 2. Attach CF sheet in an I-shape along the beam direction.
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Construction Procedure (Type I) 3. Attachment of CF Plate
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Construction Procedure (Type I) 4. Installation of anchoring hardware
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Construction Procedure (Type I) 5. Attaching CF sheet to the fixed part
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Construction completed (Type I)
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Construction completed (U-type)
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Anchor hardware
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Method of fixing CF sheets using anchoring hardware (for flat plates)
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Our company has consistently engaged in the investigation and diagnosis of reinforced concrete buildings, as well as renovation work, and from seismic diagnosis to seismic reinforcement work for many years. In recent years, we have been working as a specialized company focused on various issues such as the maintenance and preservation of various buildings and structures, improving seismic performance, environmental measures, energy conservation, and resource conservation. We will continue to respond swiftly to the diversified needs related to the safety and security of society and contribute to the creation of a "happy environment" in society.
