Shizuoka Prefecture Construction Case Study: Reinforcement Method for Existing Rockfall Protection Fences - Easy Construction with Lightweight Materials
A construction method utilizing existing protective fences! We will introduce examples of partial elevation type construction.
Here is a case study of the "Stronger Method" implemented in Shizuoka Prefecture. As a result of the construction, the fence height increased from 2.0m to 3.0m, with a construction length of L = 27.0m. This method does not require the use of small heavy machinery, eliminating the need for surrounding tree removal. Additionally, the materials are lightweight, making the construction process simple. [Case Study] ■Partial elevation type (Fence height: H = 2.0 → 3.0m, Construction length: L = 27.0m) ■Shizuoka 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 use of a high-strength wire mesh made from three uniquely developed steel wires prevents penetration of the mesh. - In areas where the height of the fence is a concern, height-raising components are used to increase the fence height. ■ Workability - All components are factory-made, eliminating the need for processing work on-site. - The components are lightweight, making installation simple. ■ Environmental Aspects - There is no need to demolish existing concrete retaining walls, which eliminates fire prevention measures associated with cutting support posts, as well as noise, dust, and high alkaline water treatment measures during concrete demolition. - Traffic restrictions and other impacts on surrounding residents are minimized. *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.
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