High-energy absorption pocket-type rockfall protection net
The Hiarnet method is a rockfall protection net that significantly enhances the shock absorption function of the entire barrier surface through a flexible and robust high-strength wire mesh and cushioning devices, allowing for efficient capture of falling rocks. 【Features】 - It can accommodate rockfall energy of up to 2800 kJ. - Performance verification tests have been conducted in accordance with the Rockfall Countermeasure Handbook (December 2017), confirming reliable performance. - Full-scale model tests using one of the smallest in Japan (effective net height 9m × net width 10m [15m]) have been conducted, confirming that it retains energy capture functionality. *[15m]: 2800 kJ net width - Its lightweight and simple structure allows for construction without the need for vertical and horizontal rope tensioning or fixing work with clips, enabling a shorter construction period. - The minimal use of wire ropes and clips contributes to cost reduction.
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basic information
We have four types available: HE-600, HE-1000, HE-1400, and HE-2800.
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Applications/Examples of results
It is suitable for areas such as ravines where installation is difficult with conventional pocket-type rockfall protection nets.
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Our group aims to enhance its corporate value by strengthening profitability and financial structure through the implementation of measures to enhance competitiveness in the global market and the development of growth strategies, while providing products and services from the perspective of our customers, thereby contributing even more to society in the 21st century.