Hyogo Prefecture Construction Case Study: Reinforcement Method for Existing Rockfall Protection Fences, Usable Without Small Heavy Machinery.
Simple construction! This method allows for an increase in fence height using raised components.
Here is a case study of the "Stronger Method" conducted in Hyogo Prefecture. As a result of the construction, the fence height increased from 2.0m to 3.0m, with a construction length of L = 39.5m. This method restrains the twisting of the posts with upper and lower reinforcement brackets, allowing for buckling prevention at the base of the posts. Additionally, since no small machinery is used, there is no need to cut down surrounding trees. [Case Study] ■ Raised type (Fence height: H = 2.0 → 3.0m, Construction length: L = 39.5m) ■ Hyogo Prefecture (Construction: Fiscal Year 2018) *For more details, please refer to the PDF document or feel free to contact us.
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【Construction Method Features】 ■ Performance - The upper and lower reinforcement brackets restrain the twisting of the posts and prevent buckling at the base of the posts. - By connecting the top of the posts with steel rods, the loads that were previously supported by a single span in conventional methods are distributed across multiple spans. ■ Workability - Installation of components does not require special tools or skilled workers. - The components are lightweight, making installation simple. ■ Environmental Impact - No need for tree removal in the surrounding area as small machinery is not used. - Reduced impact on local residents, such as traffic restrictions. *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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![Reinforcing existing rockfall protection fences! Stronger Method [*with construction examples*]](https://image.www.ipros.com/public/catalog/image/01/a9a/329973/IPROS88553436931594286663.jpeg?w=120&h=170)
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Until now, we have been cutting down trees on the slopes, excavating the ground to install concrete foundations, and then placing avalanche prevention shelves and rockfall protection shelves on top. However, the avalanche prevention shelves are ineffective against rockfalls, and the rockfall protection shelves are powerless against avalanches. The "triangular fence" developed and sold by our company effectively functions against both avalanches and rockfalls, and it does not require any excavation of the ground or concrete work, which could cause secondary disasters. It can be easily constructed using only lightweight materials, making it an environmentally friendly construction method suitable for the 21st century that does not compromise the landscape.