Using flat bars! Load recovery method for cracked concrete slabs.
The "Flat Bar Stitching Method" involves cutting a 10mm wide and 100mm deep groove at a right angle on both sides of the cracked and joint areas of the concrete slab, pouring high-strength quick-setting resin mortar into the groove, and inserting a flat bar. In the cracked area, this method connects the concrete slabs, and in the joint area, it restores load transfer, thereby extending the lifespan of the concrete slabs. 【Features】 ■ Can delay the occurrence of new cracks ■ Expected to extend the lifespan of the concrete slabs ■ Allows for traffic to be opened during construction ■ The embedding width of the flat bar is narrow at 10mm, making repair areas less noticeable ■ Enables early traffic reopening *For more details, please refer to the PDF document or feel free to contact us.
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basic information
【Construction Procedure】 1. Cutting 2. Cleaning and Drying 3. Primer Application 4. Resin Mortar Mixing 5. Resin Mortar Injection and Flat Bar Installation 6. Completion *For more details, please refer to the PDF document or feel free to contact us.
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【Applicable Areas】 ■ Concrete pavement for highways and general roads ■ Concrete pavement within airports, airfields, and port facilities ■ Concrete pavement for various premises, yards, factory floors, etc. *For more details, please refer to the PDF document or feel free to contact us.
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Company information
Taisei Rotec Co., Ltd. is a road paving company established in June 1961 as part of the Taisei Corporation Group. Our history has been cultivated since the era of Okura Gumi Shokai, founded in the early Meiji period, and has been passed down through generations. We have built a track record in paving work such as asphalt and concrete paving, as well as repair work and product sales, marking our history as a road company. As experts in road paving, we cover a wide range of paving projects, including highways, general roads, airports and ports, sports facilities, streets and squares, and parking lot construction. Additionally, through civil engineering projects such as land development, joint trench work, and pipeline work that involve burying lifelines like water supply, sewage, and electrical lines, we contribute to building disaster-resistant communities. Going forward, Taisei Rotec will continue to aim for the creation of better environments so that people can engage in vibrant activities.
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