Energy-absorbing rockfall protection fence "ARC Fence"
Energy-absorbing rockfall protection fence "ARC Fence"
An energy-absorbing rockfall protection fence boasting overwhelming adoption results!
The "ARC Fence" is a rockfall protection fence primarily installed on slopes to protect roads and homes from falling rocks. It offers six types corresponding to rockfall energies of 61 kJ, 106 kJ, 223 kJ, 316 kJ, 504 kJ, and 1,002 kJ, and all construction from drilling to fence installation can be done manually, making it economically efficient for rockfall measures on slopes. Additionally, by adjusting the spacing between the posts, it can be arranged in various terrains, and its lightweight and simple structure allows for easy installation. ■ Supports rockfall energy up to 1,002 kJ ■ Applicable to various terrains ■ Simple structure with excellent workability and cost-effectiveness ■ Extensive adoption track record nationwide Ministry of Land, Infrastructure, Transport and Tourism New Technology Information System (NETIS) Registration Number: CB-020004-VE *Publication ended NETIS Evaluation Promotion Technology for Fiscal Year 2017 *For more details, please download the PDF or feel free to contact us.
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basic information
The ARC fence consists of posts, wire mesh, ring panels*, wire ropes, and cushioning devices. It efficiently absorbs falling rock energy through the deformation of the wire mesh and ring panels* and the friction between the cushioning devices and wire ropes. *Used in the case of ARC300/ARC500/ARC1000. For more details, please feel free to contact us.
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Applications/Examples of results
We are introducing our construction achievements on our company website. *For more details, please visit the URL below. https://www.proteng.co.jp/results_search.php?Srch=y&SrchCtg1=1&SrchOpt11=1&SrchWrd=
Detailed information
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"Selected as a NETIS Evaluation Promotion Technology" The ARC fence has been selected as an "Evaluation Promotion Technology" by the Ministry of Land, Infrastructure, Transport and Tourism, as part of the recommended technologies for fiscal year 2017, aimed at promoting the use of excellent new technologies. It is expected to enhance the technical standards related to public works and other areas.
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Adjust the spacing of the supports to be placed in various terrains. The spacing of the supports can be changed from 5.0m to 10.0m in increments of 1.0m, allowing for placement plans that suit the terrain. It can be installed while avoiding trees, minimizing the need for cutting, and can adapt to various site conditions such as uneven ground and sloped areas.
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"Easy installation with a lightweight and simple structure" Because it is composed of lightweight materials, it can handle rockfall energy of up to 1,002 kJ while allowing for manual transportation and installation, making it safe and easy to install even on slopes. Additionally, its simple structure eliminates the need for extensive foundations, enabling a reduction in construction time and costs.
Line up（6）
| Model number | overview |
|---|---|
| ARC50 | Corresponding rockfall energy: ~61kJ |
| ARC100 | Corresponding rockfall energy: ~106kJ |
| ARC200 | Corresponding rockfall energy: ~223kJ |
| ARC300 | Corresponding rockfall energy: ~316kJ |
| ARC500 | Corresponding rockfall energy: ~504kJ |
| ARC1000 | Corresponding rockfall energy: ~1,002kJ |
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Company information
Protech Engineering is a manufacturer of natural disaster prevention products, developing protective fences and walls against falling rocks, avalanches, and landslides, with over 3,000 sales achievements across Japan. As a new business area, we are also working on the development of products for debris flows and driftwood countermeasures. With the motto of contributing to society through innovation in natural disaster prevention technology, we have established a consistent production system that encompasses everything from development and proposals to design, manufacturing, and construction, and we are committed to tackling disaster prevention challenges.