Protective fence×プロテックエンジニアリング - List of Manufacturers, Suppliers, Companies and Products

Protective fence Product List

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A must-see for construction companies and developers! Slim structure "Collapse Debris Protection Fence"

A must-see for construction companies and developers! Slim structure "Collapse Debris Protection Fence"

Land development in areas designated as special warning zones (red zones) for sediment disasters, such as landslides, under the Sediment Disaster Prevention Act!

The "Slope Guard Fence Type LE" is a vertical type of protective fence designed to catch collapsing soil and is installed near residential areas or along roads that are close to slopes with a risk of landslides. It prevents the outflow of soil using panel-type wire nets and wire mesh installed between the support posts. Compared to traditional gravity retaining walls, it requires less installation space and generally does not need special ground improvement even in poor ground conditions. ■ Compliant with the Disaster Prevention Act ■ Structure considering soil impact force and accumulated soil pressure ■ Vertical protective fence with pile foundation structure ■ Measures against collapsing soil near roads and behind houses ■ Effectively installable in "narrow spaces" and "soft ground" Ministry of Land, Infrastructure, Transport and Tourism New Technology Information Provision System (NETIS) Registration Number: HR-100008-VR *Registration period has ended "Evaluation Promotion Technology (New Technology Utilization System Study Meeting (Ministry of Land, Infrastructure, Transport and Tourism))" *For more details, please download the PDF or feel free to contact us.

  • Retaining wall
  • Other earthworks, foundation works, and exterior floors
  • Civil Engineering Method

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Vertical Rockfall Protection Fence "Slope Guard Fence Type LR"

Vertical Rockfall Protection Fence "Slope Guard Fence Type LR"

It can accommodate falling rock energy of up to 1200 kJ and can be used in conjunction with measures against collapsing earth and avalanches.

Since it is a pile foundation structure that directly embeds the pillars into the ground, it can be constructed in various locations, including sites with limited installation space and on slopes. The pillars, which have high strength and excellent toughness, have been confirmed through full-scale experiments to be reusable even after capturing falling rocks. Compared to other methods, the need for component replacement after a disaster is minimized, making maintenance easy and reducing costs. ■ Two types available for rockfall energy resistance: 500 kJ and 1200 kJ ■ Vertical protective fence with pile foundation structure ■ Can be combined with measures against collapsing soil and avalanches ■ Easy maintenance after rockfall capture Ministry of Land, Infrastructure, Transport and Tourism New Technology Information System (NETIS) Registration Number: HR-100008-VR *Registration period has ended "Evaluation Promotion Technology (New Technology Utilization System Study Meeting (Ministry of Land, Infrastructure, Transport and Tourism))" *For more details, please download the PDF or feel free to contact us.

  • Road construction
  • Railway Construction
  • Other civil engineering works

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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.

  • Road construction
  • Railway Construction
  • Other civil engineering works

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Multi-functional rockfall protection fence 'SPARC Fence'

Multi-functional rockfall protection fence 'SPARC Fence'

Protective fences applicable for rockfalls, avalanches, and landslide debris measures.

The "SPARC Fence" is a slope-installed rockfall protection fence primarily designed to protect roads and houses from falling rocks. It can withstand rockfall energy of up to 318 kJ. Due to its structure, which does not use a damping device, it can also accommodate static loads from snow and collapsed earth. It is effective for rockfall measures in snowy regions and avalanche prevention on slopes with rockfall hazards. Additionally, it can be utilized as a temporary protective fence at construction sites for cut slopes and on weathered slopes. ■ Applicable for rockfall, avalanches, and collapsed earth ■ Supports rockfall energy up to 318 kJ ■ No damping device, resulting in low maintenance frequency ■ Minimal net deformation during rockfall capture Ministry of Land, Infrastructure, Transport and Tourism New Technology Information System (NETIS) Registration Number: HR-130008-A *Registration period has ended *For more details, please download the PDF or feel free to contact us.

  • Road construction
  • Railway Construction
  • Other civil engineering works

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Vertical rockfall protection fence "Loop Fence"

Vertical rockfall protection fence "Loop Fence"

A vertical rockfall protection fence with a simple and rational structure to prevent falling rocks onto the road.

The "Loop Fence" is a vertical rockfall protection fence primarily installed along roads to prevent rockfall damage. It can withstand rockfall energy of up to 1506 kJ, making it effective for relatively large-scale rockfall countermeasures. By wrapping wire ropes in a loop between the posts, it reduces the deformation during rockfall capture. Its minimal protrusion towards the road allows for installation close to the roadside. ■ Catches rockfalls on roadsides and slopes ■ Supports rockfall energy up to 1506 kJ ■ Effective for large-scale rockfall countermeasures Ministry of Land, Infrastructure, Transport and Tourism New Technology Information System (NETIS) Registration Number: SK-020001-V *For more details, please download the PDF or feel free to contact us.

  • Road construction
  • Railway Construction
  • Other civil engineering works

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Collapse Soil Erosion Protection Fence "Slope Guard Fence Type LE"

Collapse Soil Erosion Protection Fence "Slope Guard Fence Type LE"

Vertical erosion sediment control fence with excellent sediment capture performance and maintenance management.

The "Slope Guard Fence Type LE" is a vertical type of collapse debris protection fence designed to catch collapsing soil near roads or behind houses. It prevents the outflow of soil using panel-type wire nets and wire mesh installed between the support posts. Due to its pile foundation structure, where the posts are directly embedded into the ground, it can be installed in various locations, including sites with limited space or on slopes. By adjusting the height of the fence, it is possible to secure pocket capacity for soil accumulation, minimizing alterations to the slope. It can withstand rockfall energy up to 318 kJ, making it suitable for a wide range of applications. ■ Measures against collapsing soil near roads and behind houses ■ Vertical protection fence with pile foundation structure ■ Structure considering soil impact force and accumulated soil pressure Ministry of Land, Infrastructure, Transport and Tourism New Technology Information Provision System (NETIS) Registration Number: HR-100008-VR *Registration period has ended "Evaluation Promotion Technology (New Technology Utilization System Study Meeting (Ministry of Land, Infrastructure, Transport and Tourism))" *For more details, please download the PDF or feel free to contact us.

  • Road construction
  • Railway Construction
  • Pile and foundation work

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Avalanche protection fence "Slope Guard Fence Type LS"

Avalanche protection fence "Slope Guard Fence Type LS"

Vertical fences effective for a wide range of measures from avalanche prevention to avalanche protection.

The "Slope Guard Fence Type LS" is a vertical cantilever prevention, avalanche prevention, and avalanche protection fence primarily installed along roadsides or behind houses to prevent avalanche damage. It is designed considering slope snow pressure, load during snow, and avalanche impact force, making it suitable for both avalanche prevention works (cantilever prevention fences, avalanche prevention fences) and avalanche protection works (avalanche protection fences). ■ Avalanche measures for roadsides and behind houses ■ Vertical protective fence with a pile foundation structure ■ Effective for both avalanche prevention and avalanche protection Ministry of Land, Infrastructure, Transport and Tourism New Technology Information Provision System (NETIS) Registration Number: HR-100008-VR *Publication period has ended "Evaluation Promotion Technology (New Technology Utilization System Study Meeting (Ministry of Land, Infrastructure, Transport and Tourism))" *For more details, please download the PDF or feel free to contact us.

  • Road construction
  • Railway Construction
  • Other civil engineering works

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High-energy absorption rockfall protection fence "Macro Fence"

High-energy absorption rockfall protection fence "Macro Fence"

High energy absorption type rockfall protection fence with small net deformation during rockfall capture.

The "Macro Fence" is a rockfall protection fence installed on slopes to protect roads and homes from rockfall disasters. It can withstand rockfall energy of up to 5000 kJ, making it effective for large-scale rockfall countermeasures. Due to the small deformation of the net during rockfall capture, it can be placed relatively close to the objects being protected. The deformation amounts of the nets for each type have been confirmed through experiments. By allowing for a configuration that is relatively close to the protected objects, the area required for land acquisition can be minimized, leading to expected cost reductions. ■ Slope-installed protection fence ■ Supports rockfall energy up to 5000 kJ ■ Effective for large-scale rockfall countermeasures ■ Available in five types according to the scale of rockfall Ministry of Land, Infrastructure, Transport and Tourism New Technology Information System (NETIS) Registration Number: HR-090007-A *Registration period has ended *For more details, please download the PDF or feel free to contact us.

  • Road construction
  • Railway Construction
  • Other civil engineering works

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Temporary protective fence "QT Fence"

Temporary protective fence "QT Fence"

Temporary protective fence with a waiting type corresponding to the rockfall countermeasure manual.

The "QT Fence" is a temporary protective fence that can be used for emergency measures and temporary measures after a disaster. We conducted a free-fall weight drop test on a real specimen to confirm its rockfall capture performance. The applicable range for accumulated soil is approximately 1 meter. The foundation is constructed using "single pipes" primarily for on-site use, eliminating the need for large-scale foundations, allowing it to be installed not only along roads but also on slopes. ■ Waiting-type temporary protective fence ■ Complies with rockfall countermeasure guidelines *For more details, please download the PDF or feel free to contact us.

  • Temporary Construction

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