Regardless of the type of rockfall protection net, we achieve reinforcement with flexible adaptability.
The Keiwan Coil Net Method is a reinforcement technique for existing rockfall protection nets. It effectively utilizes existing posts and wire nets without removal, allowing for reinforcement and repair while also providing impact absorption capabilities tailored to the specific object. By maximizing the characteristics of the coil-type net, it achieves a high energy absorption capacity with a capture performance of 150 kJ. It is also treated for rust prevention, ensuring excellent durability. Additionally, in the event of damage during maintenance, repairs can be made by replacing only some components. 【Features】 ○ Mitigates the impact of falling rocks, reinforcing the protection net for enhanced safety ○ Easy and safe installation with a short construction period ○ Significantly reduces traffic restrictions ○ Excellent cost performance ○ NETIS registration number KT-140046-A For more details, please contact us or download the catalog.
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basic information
【Coil Net Specifications】 ○ Wire Diameter: 5.0mm ○ Number of Turns: 300 @ 80mm ○ Length: 3000mm ○ Cross-sectional Area: 78.54mm² ○ Tensile Load: 1,520–1,720N/mm² ○ Material Standard: Equivalent to JIS G 3548 ○ Applicable Standard: JIS B 2704 【Wire Rope Specifications】 ［Rope Diameter, Breaking Load, Zinc Coating Amount］ ○ φ12・68.6kN・190g/m² ○ φ14・98.1kN・190g/m² ○ φ16・118kN・190g/m² ○ φ18・157kN・190g/m² ● For more details, please contact us or download the catalog.
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Company information
Since its establishment, Fukazawa Construction Co., Ltd. has been involved in the preservation of Yamanashi Prefecture's rich natural environment while continuously striving to improve technology and refine our skills, thereby building a wealth of know-how. It is anticipated that the construction industry and the social environment, including the local economy, will face increasingly challenging times ahead. We will continue to challenge ourselves with the creation of unique new technologies, the development of new construction methods, and the exploration of new fields, in order to contribute even more to the realization of a prosperous local community.
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