Re-inject grout to improve the durability of structures! Accurate injection management with high-precision cavity volume understanding!
The "PC-Rev Method" is a technique for re-injecting grout into existing structures that lack durability due to insufficient filling of PC grout, aiming for regeneration. By using a super low-vibration drill for boring, it does not cause harmful damage to the surrounding area. Additionally, by utilizing a small diameter hole of φ15.5mm, it reduces the load on the structure. The pressure changes in a vacuum container connected to the sheath allow for accurate estimation of the cavity volume inside the sheath, enabling appropriate injection management. 【Features】 ■ Automatic stop of drilling upon detecting contact with the sheath ■ Accurate estimation of the cavity volume inside the sheath ■ Vacuum pump reduces pressure inside the sheath for grout injection ■ Proper management of injection speed, followed by pressurization at the end ■ Reduction of load on the structure and improvement of grout filling properties, etc. *For more details, please refer to the PDF materials or feel free to contact us.
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【Other Features】 - Prevents air entrapment and blockage, enhancing fillability under pressure - Adds calcium aluminate to immobilize harmful soluble chloride ions - Suppresses corrosion of steel materials by immobilizing chloride ions - Excellent fillability due to the use of ultra-low viscosity grout material *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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Oriental Shiraishi Co., Ltd. is a company primarily engaged in the construction and manufacturing sales of prestressed concrete, as well as the construction of pneumatic caissons and repair and reinforcement construction. We contribute to the development of social infrastructure by utilizing special technologies in a setting that looks towards the great nature, the earth, and the future of cities.