Repair and Reinforcement Method: "Cross-Section Restoration and Surface Protection Repair Method"
We will aim to improve the durability of existing concrete structures.
The "Cross-Section Repair and Surface Protection Repair Method" is a technique that involves removing deteriorated areas of existing concrete structures and applying polymer cement mortar to restore the cross-section, thereby improving the durability of the existing concrete structures. In cases where the removal area of the existing concrete is extensive, repair and reinforcement materials such as FRP grids are placed on the surface of the concrete structure to ensure integration with the existing concrete. This method is applicable to concrete structures that have deteriorated due to salt damage, carbonation, freeze-thaw cycles, etc. 【Features】 ■ Improved durability ■ Increased compressive strength and adhesion strength ■ High filling capability ■ Enhanced rust prevention effect *For more details, please download the PDF or feel free to contact us.
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basic information
【Target Objects】 ■ Bridges (deck, beams, piers) ■ Tunnels (lining) ■ RC water storage tanks ■ Other RC structures, architectural structures *For more details, please download the PDF or feel free to contact us.
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Applications/Examples of results
【Usage】 ■Hokuriku Expressway: Oshirazu Overpass ■Kinki Expressway: Kadoma Overpass, etc. *For more details, please download the PDF or feel free to contact us.
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Company information
Nara Construction Co., Ltd. has contributed to the creation of safe, secure, and high-quality social infrastructure and housing while honing its technical skills as a comprehensive construction company. Additionally, we have focused on the development of repair and reinforcement technologies for the deterioration and damage of structures, achieving numerous results, including seismic reinforcement of bridge piers. We will continue to engage in our business with a sincere attitude, leveraging the solid technical skills we have cultivated to meet our customers' trust.