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Auxiliary Construction Method×フジモリ産業 - List of Manufacturers, Suppliers, Companies and Products

Auxiliary Construction Method Product List

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Tunnel auxiliary construction method "AGF-S / AGF-P method"

Tunnel auxiliary construction method "AGF-S / AGF-P method"

Injection of urethane-based and cement-based materials is possible! It enables a reduction in cycle time, improved cost-effectiveness, and enhanced workability.

We would like to introduce our tunnel support method, 'AGF-S / AGF-P Method'. The "AGF-S Method" allows for the cutting and removal during excavation by providing slit processing at the end pipe of the AGF steel pipe, while the "AGF-P Method" uses a special PVC pipe at the end pipe of the AGF steel pipe. Since it can be poured from the standard cross-section, it offers a reduction in cycle time, improved cost-effectiveness, and enhanced workability compared to widening methods. 【Features】 ■ Can be constructed without widening (no need for pre-widening of the tunnel excavation cross-section) ■ Cutting and removal can be easily done every 1 meter of excavation ■ Construction is possible with hydraulic excavators for tunnels ■ Injection of urethane-based and cement-based materials is possible *For more details, please refer to the PDF materials or feel free to contact us.

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Tunnel auxiliary construction method "AGF-Φ method"

Tunnel auxiliary construction method "AGF-Φ method"

By using a dedicated guide tube, reliability and safety are improved! Furthermore, it achieves a low impact on the environment.

The "AGF-Φ Method" is an expanded type of AGF that adopts the "AGF-Φ Dedicated Guide Support" with a dedicated guide pipe installed to facilitate the placement of AGF steel pipes for pre-loosening suppression by drilling holes in the web section of H-shaped steel supports. By using the dedicated guide pipe, the placement of the steel pipes becomes more accurate, improving construction precision. As construction precision improves, it becomes possible to reliably form an arch crown at the tip of the steel pipe, and since the steel pipes are left in the ground without cutting, there is no industrial waste generated. 【Features】 ■ Improved construction precision ■ Loosening suppression effect ■ Reduction of industrial waste ■ Reduced cycle time *For more details, please refer to the PDF document or feel free to contact us.

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Tunnel excavation auxiliary method "Slit Injection Forepoling"

Tunnel excavation auxiliary method "Slit Injection Forepoling"

Reduce surface spalling caused by construction from within the cross-section! Achieve reliable injection through leak suppression.

The "Slit Injection Forepolling" is a tunnel excavation auxiliary method that allows for the insertion of cuttable bolts at a low angle from beneath the support structure into areas of concern for rockfall, such as unconsolidated ground. By performing construction from within the cross-section, it reduces the skin fall that occurs from the top and achieves reliable injection through leak suppression. It excels in ground improvement effects. 【Features】 ■ By processing slits in the bolts, it allows for the removal of the bolt ends. ■ It enables insertion from beneath the support structure, proving particularly effective in unconsolidated ground such as sandy hills, demonstrating higher effectiveness than conventional methods. ■ Since it is cast from beneath the support structure, it suppresses leaks caused by rough holes due to casting from the sprayed concrete application position, allowing for reliable injection. *For more details, please refer to the PDF document or feel free to contact us.

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Tunnel excavation auxiliary method "Injection Forepoling"

Tunnel excavation auxiliary method "Injection Forepoling"

Introducing tunnel excavation support methods for preventing the collapse of the cutting edge and the expansion of looseness!

"Injection-type Forepolling" is an auxiliary excavation method that combines injection materials and bolt materials to perform pre-support and consolidation improvement of the ground. Its primary purpose is to prevent the collapse of the tunnel face and to stop the expansion of looseness during tunnel excavation. Please contact us if you require our services. 【Construction Method (Partial)】 < Hallow/FRP Bolt > ■1. Drilling ■2. Bolt insertion ■3. Mouth closure ■4. Injection *For more details, please refer to the PDF document or feel free to contact us.

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