ケー・エフ・シー List of Products and Services

◎This is a self-drilling "high corrosion-resistant hollow bolt" for the specified installation. It is a casing and spacer combined type. The use of a self-drilling method with casing pipes improves construction quality. It is also suitable for construction in narrow areas, as it can be operated with a lightweight drilling machine or manually (using a leg hammer). Features: - A self-drilling bolt system that combines casing with "high corrosion-resistant hollow bolts." - Construction is possible with lightweight drilling machines or manually. - Ensures reliable grout filling. - Effective for construction in narrow spaces. The "Hawk-Nailing" is a self-drilling bolt system that uses hollow rock bolts with a corrosion-resistant coating (32 mm diameter) combined with casing pipes. It enables reliable grout filling, which has been a challenge in previous self-drilling methods. Additionally, it allows for construction with compact drilling machines or manually (using a leg hammer), making it suitable for narrow areas where large machinery cannot access. ★ We will be exhibiting at the Construction Technology Exhibition 2024 in the Kinki region! We look forward to your visit. Date: November 7, 2024 (Thursday) 9:30 AM - 5:00 PM November 8, 2024 (Friday) 9:30 AM - 4:45 PM Location: Intex Osaka, Hall 6, Zone C Booth Number: 176

• Other metal materials

Wireless axial force sensor, efficiency improvement in inspection and diagnosis With a compact axial force gauge that enables wireless data communication, it can be utilized in various locations. - It is an axial sensor expected to be applicable to various targets such as rock bolts, concrete anchors, and various fastening components. - Data collection can be done wirelessly, allowing measurement results to be checked on a tablet. - It is "lightweight," "compact," and easy to handle, and since it has a built-in battery, no additional power supply is required. ★ We will be exhibiting at the Construction Technology Exhibition 2024 in Kinki! We look forward to your visit. Date: November 7, 2024 (Thursday) 9:30 AM - 5:00 PM November 8, 2024 (Friday) 9:30 AM - 4:45 PM Location: Intex Osaka, Hall 6, Zone C Booth Number: 176

• Other inspection equipment and devices

To prevent excessive impact on the manhole's lower chamber during construction, damage and cracks are unlikely to occur, and stable strength is ensured through the use of resin. - Due to the screw-in design, excessive impact on the manhole's lower chamber does not occur. - Stable tensile strength is ensured by combining it with resin fixation. - The screw-in design allows it to be secured by friction, enabling progression to the next step even before the resin hardens. - This product complies with the G4 standard of the Japan Sewage Works Association. *NETIS (New Technology Information System): Registration Number CB-240010-A*

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This is an environmentally friendly dry mortar aimed at reducing CO2 emissions based on the concept of carbon neutrality. By using fly ash and high early strength cement as the main components, it has achieved a reduction of 3.4 kg of CO2 per bag compared to the CO2 emissions from the production of conventional dry mortar. 【Features】 ■ Reduction of carbon dioxide emissions ■ Reuse of industrial waste ■ Formulation suitable for construction with MAI pumps ■ Difficult to flow out from boreholes *For more details, please refer to the PDF materials or feel free to contact us.

• Other work tools
• Other consumables

"C-Tite" is a capsule-type anchoring material for rock bolts, primarily composed of special cement. It can be used simply by immersing it in water, and does not require mixing or pumping machinery. The "Standard Type (S)" achieves a compressive strength of over 10 N/mm² in 24 hours (usable time: 40 minutes), while the "Quick Setting Type (Q)" achieves over 10 N/mm² in 3 hours (usable time: 15 minutes). 【Features】 ■ Cement capsule type ■ Usable simply by immersion in water ■ Quick Setting Type (Q) is a rapid hardening type that exhibits early strength ■ Strength development time (at 20°C) ・Standard Type (S): Achieves a compressive strength of over 10 N/mm² in 24 hours (usable time: 40 minutes) ・Quick Setting Type (Q): Achieves a compressive strength of over 10 N/mm² in 3 hours (usable time: 15 minutes) *For more details, please refer to the PDF document or feel free to contact us.

• bolt

■High-rigidity tunnel back drainage material born from TX sheet 【Features】 ● With sufficient compressive strength, it is expected to provide protection for the heads of rock bolts. ● The ribs processed throughout the sheet enhance water collection capacity and create drainage spaces with the ribs, efficiently guiding inflow. ● The rib shape in a triangular profile suppresses crushing due to concrete placement pressure, maintaining drainage capability even after concrete is poured. ● It can be nailed with concrete nails (no need for a pressure plate; it does not penetrate) and the ends have a double-sided wave shape, providing an anti-slip effect during installation. * Registered in the NETIS (New Technology Information System) of the Ministry of Land, Infrastructure, Transport and Tourism (KT-180093-A) * For more details, please refer to the PDF materials or feel free to contact us.

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"Multi-functional" Friction Type Steel Pipe Expansion Lock Bolt ◎ Function (1) Water Drainage ■ After the expansion of the RPE lock bolt, applying further water pressure releases the end cap, allowing it to be reused as a hollow water drainage bolt. ■ The drainage hose processes the water flowing from the bolt hole as clean water. ◎ Function (2) Injection from the Tip ■ After the release of the end cap, it becomes a hollow bolt, enabling water-stopping injections, etc. (※ After the release of the end cap, it is possible to inject cement-based or resin-based materials using the hollow space.) ■ The water reduction effect from the water-stopping of the bolt hole can reduce the impact on water shortages caused by tunnel excavation. ※ For more details, please refer to the PDF document or feel free to contact us.

• Other consumables
• Other work tools

The "Rock Bolt Reinforcement Method" is a reinforcement method for existing tunnels based on the geological conditions of the surrounding ground. - It involves inserting steel materials deeper based on the slip surface of the soil mass, securing the entire steel structure with grout, and passively generating tensile forces in the steel as the ground deforms, thereby suppressing ground deformation and the occurrence of slips. - This method effectively and economically reinforces the tunnel lining with rock bolt anchoring, especially in sandy and gravelly ground where conventional rock bolt installation has struggled to achieve anchoring strength. 【Features】 ■ Saber EX: A high-pressure water expansion type rock bolt for reinforcement that does not require an anchoring agent. This allows for simultaneous anchoring during installation, reducing the cycle time per bolt and enabling immediate strength development. - The bolts are treated with a high corrosion-resistant coating, contributing to the longevity of the tunnel and ensuring reliable ground retention effects. ■ IBO ZAM: A self-drilling rock bolt that can perform drilling and bolt insertion simultaneously, shortening the cycle time per bolt. - It features an R32 thread rolled along its entire length, making it very easy to handle on-site. It is effective not only as a self-drilling bolt but also as an injection bolt utilizing its hollow structure. *For more details, please refer to the PDF document or feel free to contact us.

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- Adhesion strength: It can achieve a tensile force exceeding the yield strength of the anchor bar with an effective length of 7 d.a. - Hardening performance: It hardens in 24 hours due to the use of special cement. - Workability: Being in a capsule type, simply immersing it in water ensures a constant water ratio, making the mixing process smooth. - Constructability: Due to its high viscosity, there is minimal sagging of the injected mortar during horizontal and upward construction. - Corrosion resistance: The entire surface of the anchor bar is covered with anchor fixing material (mortar), providing excellent corrosion resistance. - Safety: As it primarily consists of cement mortar, it is non-combustible and does not contain harmful substances.

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■NETIS Registration Number: KT-230095-A 【Features】 ■Strong Adhesive Power With a thickness of 300μm in the adhesive layer, it penetrates into concrete due to anchoring effect. ■Visible Inspection of the Lining Surface The lining can be visually inspected through slits provided in the sheet, no equipment like a microscope is needed. ■Easy Installation, Just Peel and Stick No adhesive application process is necessary; simply peel off the release film and stick it on. Repairs can be made with just the sheet and a cutter. ■Easy Cleaning with High-Pressure Washer The interior has excellent cleaning recovery properties, allowing surface dirt to be removed with a standard household high-pressure washer. 【Value Provided by Gainatunnel Interior Sheet】 Unlike traditional interior work, inspections for tile lifting, corrosion of fittings, and loosening of bolts are unnecessary.

• Composite Materials

The "Padem Sheet" adsorbs harmful substances (heavy metals) in the soil generated during tunnel excavation and construction work, preventing their runoff. The sheet is evenly filled with adsorbent material, and when laid manually, the adsorption layer is completed. Unlike conventional adsorption layer methods that require mixing soil and adsorbent material on-site or managing the quality of the adsorption layer, it achieves reduced construction work and stable quality. It can be cut and pasted to fit the terrain, making it easy to install even on slopes and complex terrains. The seams of the sheet can be welded together without gaps, providing a high runoff prevention effect. 【Features】 ■ Dimensions are 2mm thick × 1.5m wide × 20m long. Can be laid efficiently over a wide area. ■ Heavy machinery is not required during installation. Simply unroll the sheet manually. ■ Adsorbs harmful substances such as arsenic, selenium, lead, cadmium, and fluoride. ■ No concern about uneven distribution of the adsorbent material. *For more details, please refer to the materials. Feel free to contact us with any inquiries.

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By simply tightening with a dedicated driver, speedy installation from one side is possible. K nuts with anti-loosening features are used. Installation can be done without damaging the base material.

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* NETIS Registration Number: HK-120037-VR * Quality standards that comply with the design and construction guidelines for backfill cavity injection in sheet pile method tunnels at NEXCO * Capable of long-distance pumping (Record: 4,000m) The plastic grout material is non-air-based, allowing for long-distance pumping. * Construction possible at external plants Main materials and plasticizing materials (liquid) can be pumped from external plants, and the main material does not harden alone for long periods, resulting in fewer troubles during pumping. * Environmentally friendly using recycled materials Utilizing fly ash contributes to effective resource utilization. * Ensuring high quality With high underwater non-separation, work in flowing water is easy, making it an optimal method for sites with groundwater, standing water, or flowing water. * Working environment The installation of plants externally and the liquid nature of the plastic material result in minimal dust generation in the working environment inside the structure.

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* Integrated nut washer * Flat surface of the washer * Sheet is less likely to be damaged * Pull-out test can be conducted as is

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■NETIS Number: KT-230046 Technology Name: Fiber Sheet Adhesive Method for Tunnel and Bridge Repair and Reinforcement "Gaina SH Sheet Board Method" * Reinforcement with a single-layer laminated fiber sheet using high-density carbon fiber (compared to standard multi-layer). * Compared to our carbon fiber sheet method of overlapping application, this method is expected to shorten construction time and reduce costs. * Lighter than our steel plate adhesive method. No anchor work is required due to adhesive application. This method involves fewer processes compared to our continuous fiber sheet method. * High strength allows for strip-like arrangement. Unfinished areas between strips can be visualized, enabling visual confirmation of crack progression after reinforcement. * High-performance impregnation agents ensure reliable impregnation, allowing for high-quality construction. * No special skills are required for adhesive and impregnation work, making it easy to secure construction personnel. * As a fiber sheet adhesive method, partial construction and partial adhesion are possible. It is flexible, allowing for easy application in corners.

• Composite Materials

At K.F.C. Co., Ltd., we handle preventive maintenance technology using anchors, known as the "Fail-Safe System." Our unique creation, the "Hawk Tie Wire Anchor Z," is a post-installed anchor that integrates the wire connection and the main body through a single molding process. It is suitable for fail-safe applications in disaster prevention equipment such as sprinklers and water supply pipes. Additionally, we offer the "Torsion Nut" to prevent human error. We also have the "Hawk Stopper Drill" in our lineup, which improves the quality of construction during anchor installation. 【Product Lineup】 ■ Hawk Tie Wire Anchor Z Type I ■ Hawk Tie Wire Anchor Z Type II (with shackle) ■ Hawk Tie Wire Anchor Z Type III ■ Hawk Tie Wire Anchor CN (with shackle) ■ Hawk Kakutei Tie Wire Anchor (with shackle) ■ Tie Wire Coupling (stainless steel) ■ Hawk Kakutei Anchor ■ Safety Anchor ■ Torsion Nut K/ZK ■ Hawk Stopper Drill *For more details, please refer to the PDF document or feel free to contact us.

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• Tool Sets
• Other work tools

The "Hawk Anchor Bolt" is a representative product of metal expansion screw anchors. It has minimal variation in strength and is widely used. After the anchor is installed and secured, tightening it sufficiently with the included nut allows the expansion part to follow and expand, resulting in more stable strength. The lineup includes options such as electro-galvanized, stainless steel, and hot-dip galvanized finishes. We offer a wide variety of sizes. 【Features】 ■ Metal expansion screw anchor ■ Minimal variation in strength ■ The expansion part follows and expands when sufficiently tightened with the included nut ■ More stable strength is achieved *For more details, please refer to the PDF document or feel free to contact us.

• Tool Sets
• Other work tools
• Other safety equipment

The "Safety Anchor" is a post-installed anchor with two functions: preventing loosening and preventing falls. It uses a locking K nut with the included nut to prevent loosening after tightening. The sleeve-driven installation allows for follow-up expansion, making it safer. Additionally, even if the nut loosens unexpectedly, it will stop at the stepped part of the bolt body. 【Features】 ■ The sleeve-driven installation allows for follow-up expansion, making it safer. ■ The included nut uses a locking K nut to prevent loosening after tightening. ■ Even if the nut loosens, it will stop at the stepped part of the bolt body. *For more details, please refer to the PDF document or feel free to contact us.

• Tool Sets
• Other work tools
• Other safety equipment

- Easy inspection can be performed simply by striking. - Objective judgment is possible using impact force waveforms. - High-precision judgment is possible compared to conventional sound impact tests. - Data is saved with each strike, making record management easy.

• Other inspection equipment and devices

The (HAWK) Anchor Checker is a non-destructive testing device that can inspect and determine the bonding condition of post-installed anchors. It allows for inspection simply by placing the probe on the designated part of the anchor, making it possible to conduct tests in a shorter time compared to tensile tests. Additionally, while sound testing can yield varying results due to surrounding noise or the skill of the tester, the Anchor Checker sets thresholds based on the measurement values of anchors in good installation condition, ensuring consistent evaluations. (Note: This does not guarantee the pull-out resistance of post-installed anchors.) 【Features】 ■ Lightweight and Compact: It is lightweight and compact, allowing for space-saving inspections. ■ Non-destructive: Since inspection is performed simply by placing the probe, it does not affect the anchor or the structure. ■ Easy Inspection: It does not require complex operations, enabling quick inspection and determination. ■ Fair Evaluation: It automatically performs quantitative assessments based on pre-set thresholds. *For more details, please download the PDF or contact us.

• Other inspection equipment and devices

NETIS registration number KT-220011-A The stopper mechanism allows for drilling at a fixed depth. When the stopper reaches the concrete, drilling at the specified depth is completed. By providing a cushioning section, it prevents damage to the concrete part while simultaneously reducing the impact on the worker.

• drill

■NETIS Registered, Registration Number: KK-240048 ■High-strength aramid fibers reliably prevent the spalling of concrete fragments. This construction method aims to prevent the spalling of concrete fragments in concrete structures using a GFRP shape-retaining body and a mesh of high-strength aramid fibers, ensuring the safety of users of the structure. *This meets the quality standards compatible with NEXCO tunnel construction management guidelines. 【Features】 The mesh part allows for visual inspection after installation. By using high-strength aramid, there is less alkali deterioration due to groundwater, and it does not conduct electricity, making it suitable for installation in railway-related tunnels. Installation is quick and easy, requiring only the driving of strike anchors. Additionally, if any deformation is observed after installation, maintenance such as removing and reattaching the fixing screws can be easily performed. By using a lock nut with a friction ring (leaf spring), it provides a function to prevent loosening, enhancing safety. This lock nut has passed NAS standards, which are specified as verification items during material approval by NEXCO.

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"MORSCHE" allows you to create mortar just by soaking it in water. No measuring is needed, and mixing is easy. It's perfect for tasks like bricklaying. It is suitable for pothole repairs and corner chip repairs. The color is a neutral gray tone. 【Features】 ■ Just soak in water ■ No measuring required ■ Easy mixing ■ Hands stay clean *For more details, please refer to the PDF document or feel free to contact us.

• Repair Agent

The "TX Sheet Method" uses a rigid polyethylene sheet (TX sheet) to cover areas of water leakage in the lining concrete, allowing for linear or surface drainage. Due to its thickness of 4mm, including ribs, it can be installed without affecting tunnel accessories. Additionally, the rib effect on the back of the sheet forms a drainage layer, providing excellent drainage functionality. It allows for anchoring over non-anchored materials, offering excellent workability, and can be installed across differences in elevation such as corners and edges depending on the shape of the tunnel. 【Features】 ■ Excellent drainage effect The rib effect on the back of the sheet forms a drainage layer, resulting in superior drainage functionality. ■ No aging degradation The sheet is highly resistant to chemicals, unaffected by acids, alkalis, or organic solvents, and has good weather resistance with no aging changes. ■ Installation possible after investigation and repair Depending on the deformation of the tunnel, the TX sheet method can be applied after investigation and reinforcement. ■ Excellent workability and cost-effective Using Hawk or KB anchors allows for anchoring over the secured materials, making it a highly workable and economical method.

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■NETIS Registered Registration Number: KK-240031 The "Gainamesh Method Type D" is a construction method that prevents water leakage and spalling from concrete structures. This method aims to prevent dripping of water leakage and spalling of concrete pieces in concrete structures, ensuring the safety of users of the structure. The rigidity of the shape-retaining band allows for easy installation on the curved surfaces of tunnels. Installation is quick as it only requires driving in anchors. 【Features】 ■ Effectively prevents water leakage and spalling from concrete structures ■ Easy to install, allowing for quick construction ■ Weather-resistant and alkali-resistant ■ Excellent durability with stainless steel anchors ■ Easy to remove and install, facilitating maintenance 【NETIS Number】 KK-240031 *For more details, please refer to the PDF document or feel free to contact us.

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The "RMA Method" is a shear reinforcement method that allows for reinforcement without encroaching on the inner cross-section of continuous walls. It employs capsules containing premixed mortar as a bonding agent. This method enables construction using impact on long or thick reinforcement bars, making it a post-construction technique. Since there is no need for mortar mixing or the installation of injection holes on-site, special management is unnecessary. Reinforcement is carried out only for the insufficient shear strength, allowing for a transition from shear failure to bending failure. 【Features】 ■ Drilling can be done with a small diameter and only once ■ No mixing on-site, maintaining consistent quality ■ Simple product composition and construction method, reducing construction time ■ Minimal interference with existing structural reinforcement, allowing for reduced re-drilling ■ A method that does not use large or specialized machinery, saving space *For more details, please refer to the PDF document or feel free to contact us.

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The "Steel Plate Bonding Method for Lining Repair" is a technique that allows for the economical and precise repair of aging tunnel lining concrete. By connecting steel strips of a specified length on-site using splice plates, anchoring them along the inner surface of the lining, injecting, and maintaining the lining with the rigidity of the steel, the required repair effect can be achieved simply by adjusting the installation pitch P1 and P2 of the steel strips. This compact construction method can be applied in various locations and allows for work to be carried out while the tunnel remains in service. 【Features】 ■ Maintains lining with the rigidity of steel ■ Achieves the required repair effect simply by adjusting the installation pitch of the steel strips ■ Compact construction that is not location-dependent ■ Can be performed while the tunnel remains in service ■ Manual construction is possible from transport to execution, eliminating the need for construction machinery *For more details, please refer to the PDF document or feel free to contact us.

• others

We would like to introduce the "Deca-gote Haigami Awase Welding Machine" handled by KFC. While the standard hot-iron type Haigami Awase welding machine has a hot-iron width of 26 mm, our product has a hot-iron width of approximately 1.5 times that, at 41 mm. This reduces the risk of the welding line going off track even when the welding line meanders during upward welding operations on a sheet scaffold. 【Features】 ■ Hot-iron width is 41 mm ■ Reduces the risk of the welding line going off track even when it meanders during upward welding operations on a sheet scaffold ■ The welding line consists of three rows, which can improve welding quality *For more details, please refer to the PDF materials or feel free to contact us.

• Other processing machines

The "IBO-Z" is a hollow lock bolt that features R32 threads rolled along its entire length, making it very easy to handle on-site. It is effective not only as a self-drilling bolt but also as an injection bolt utilizing its hollow design. Additionally, the use of ZAM has significantly improved its corrosion resistance. It is suitable for a wide range of applications, including pattern bolts, fore-poling, and tunnel repairs. 【Features】 ■ Pursues cost-effectiveness through bit selection based on the target ground. ■ Reduces cycle time by allowing drilling and bolt insertion to be performed simultaneously. ■ R32 rope threads are rolled along the entire length, ensuring slime discharge performance and stable adhesion performance. ■ Adaptable to a wide range of applications. *For more details, please refer to the PDF document or feel free to contact us.

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• bolt

The "GPR method" is a groundbreaking repair technique that applies the technology of steel pipe expansion-type lock bolts to repair the corroded parts of guardrail posts. It features simple work that does not require exploratory digging and does not need special construction techniques. Additionally, the construction equipment is compact, and the work time per location is extremely high at just 10 to 20 minutes. [Features] ■ Adoption of highly corrosion-resistant coated materials ■ Easy construction that does not require special construction techniques ■ Instant repair from the inside of the post using expansion steel pipes ■ Speedy construction ■ No exploratory digging required *For more details, please refer to the PDF materials or feel free to contact us.

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This product is a waterproof material that combines flexibility, making it difficult for gaps to remain around drainage materials even in the case of multi-layer sheets. To extend the lifespan of the covering concrete, it ensures high drainage performance even after mortar filling, in preparation for increased water inflow due to future fluctuations in groundwater levels or the creation of new water pathways due to earthquakes. 【Features】 ■ Despite being a multi-layer sheet, it has flexibility and good workability for end processing. ■ A permeable layer is maintained even after mortar filling, ensuring high drainage performance. *For more details, please refer to the PDF document or feel free to contact us.

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"Micro piles" are small-diameter cast-in-place piles and embedded piles with a diameter of approximately 100 to 300 mm. Steel pipes are pulled in while drilling into the ground to the specified depth, and if necessary, steel reinforcement materials such as rebar are inserted, followed by the injection of grout material to form the pile. Additionally, this product features a reliable coupler-type threaded joint that guarantees the strength of high-strength steel pipes and the overall strength of the pipes, along with a node projection that enhances adhesion performance with the grout material and an economical non-return valve. [Features] ■ Manufactured using electric resistance welding, resulting in extremely good dimensional accuracy. * Depending on design conditions, the application of general structural carbon steel pipes (STK) is also possible. ■ Equipped with an economical and high-performance non-return valve, ensuring reliable grouting. ■ A selection of efficient construction menus tailored to the geological conditions of the site is available. * For more details, please refer to the PDF document or feel free to contact us.

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■NETIS Registered, Registration Number: CG-140001-VR ■By applying the ShieM (Seam)-CS sheet, which is a laminated structure of a high barrier film and a lattice-like fiber sheet, it is possible to simultaneously implement "spalling prevention measures" and "deterioration prevention measures" for concrete. *NETIS Registration Number: CG-140001-VR *Meets the quality standards of NEXCO Tunnel Construction Management Guidelines 【Features】 ■Wetless Due to its four-layer structure, including a high barrier film, it has a "wetless structure" that prevents adhesive from permeating the sheet body or surface, allowing for immediate application of the topcoat after sheet adhesion, thus shortening the process. ■Handling While maintaining adequate strength, the sheet has been minimized in thickness to improve workability, making it easy to handle even for unskilled workers, thereby enhancing construction efficiency. Small-scale projects can be completed in one day. ■Excellent Workability By minimizing the thickness of the sheet while maintaining adequate strength, it can be applied even in sections including corners and edges. *For more details, please refer to the PDF document or feel free to contact us.

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The "Egg Pack Drain" is a high drainage performance drainage material that has a proven track record in measures against groundwater treatment for underwater tunnels where clogging of the water flow section is a concern. Since it fills in the recessed areas, it has excellent pressure resistance and is suitable for methods such as the "FILM method." Additionally, it is lightweight and flexible, making it easy to work with. 【Features】 ■ Large water flow area, making it difficult for clogging due to free lime and other substances ■ The joint sections only need to overlap by about two peaks, providing excellent workability ■ Made of HDPE (high-density polyethylene), it excels in chemical resistance, bacterial resistance, and impact resistance ■ Lightweight and flexible, offering excellent workability *For more details, please refer to the PDF materials or feel free to contact us.

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The "Hyper Panel Signal Sheet" is a high-performance waterproof sheet that combines high drainage capability, cushioning effect, and a signal layer that alerts to damage. By incorporating a signal layer into the waterproof layer, it has become easier to visually detect any damage. The three-dimensional mesh long fiber non-woven fabric has approximately 40 times the drainage performance compared to regular non-woven fabric with a thickness of 3mm. 【Features】 ■ Adoption of a signal layer in the waterproof layer ■ Signal layer that alerts to damage ■ Easy visual detection of damage *For more details, please refer to the PDF document or feel free to contact us.

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The "Hyper Panel SP/SPG Sheet (IH Type)" is a waterproof material for electromagnetic induction welding with high drainage performance. By adopting a newly developed special three-dimensional mesh structure for the IH weld method, it achieves strong and stable welding fixation strength while maintaining high drainage performance. Therefore, it can be adapted for various applications, such as fixing the intermediate parts of wide sheets and securing the sheet material in corner areas of box cutouts. 【Features】 ■ Adoption of a special three-dimensional mesh structure for the newly developed IH weld method ■ Strong and stable welding fixation strength while maintaining high drainage performance ■ Adaptable to various applications *For more details, please refer to the PDF materials or feel free to contact us.

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"Hybrid Fore-Piling" is a construction method that is expected to have a higher effect in suppressing the plasticization of surrounding ground. By placing small-diameter steel pipes from the upper part of the mirror section towards the top, it is possible to reinforce not only the "top part" that is reinforced by conventional fore-piling but also the "upper mirror ground" which has a high risk of collapse. [Features] - By increasing the overlap section, it can reinforce the surrounding ground over a wide area, including the mirror section. - Compared to conventional fore-piling, it has a higher effect in suppressing the plasticization of the ground. - By using small-diameter steel pipes (φ76.3), it is more economical than conventional methods. *For more details, please refer to the PDF materials or feel free to contact us.

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"FACESS" is a sliding coupler system for the long-length cut wing reinforcement tool "Me-fix." When a certain amount of load is applied, a mechanism is provided that allows the load to be released and slide in the axial direction. The dedicated coupler releases and slides under a load of 200kN to 300kN, and can then maintain a tensile strength of about 400kN. The sliding at that time allows for forward extrusion displacement, and effects such as damping and ground deformation tracking can be expected. [Features] - A mechanism that releases the load and slides in the axial direction when a load is applied - Maintains strength after sliding - Damping effects and ground deformation tracking effects can be expected *For more details, please refer to the PDF document or feel free to contact us.

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• Other work tools

"RBS-USR (Silica Resin)" is a rock solidification material developed for the improvement and modification of tunnel ceilings, faces, and slopes. It exhibits rapid strength development and provides sufficient effectiveness even within limited improvement areas. Additionally, the solidified material is highly safe and has excellent flame resistance. It can be widely used in various applications, including the FIT method, fore-poling method, and AGF method, which are auxiliary methods for tunnel excavation. 【Features】 ■ Rapid strength development ■ Sufficient effectiveness even in limited improvement areas ■ Solidified material is highly safe with excellent flame resistance ■ Widely applicable in various uses *For more details, please refer to the PDF materials or feel free to contact us.

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The "KFC Tightliner" is a high-performance geomembrane suitable for tunnel waterproofing work, featuring excellent workability in terms of followability, weldability, and damage resistance. The waterproof sheet material uses VLDPE (very low-density polyethylene), which has excellent followability, weldability, and damage resistance. Additionally, the white layer (signal layer) that is completely molded into the black waterproof sheet makes it easy to detect any damage to the sheet by exposing the internal black layer in the event of a scratch. 【Features】 ■ Excellent basic material for the water-tight waterproofing system ■ The sheet material is made of VLDPE (very low-density polyethylene) with excellent followability, weldability, and damage resistance ■ The white signal layer makes it easy to identify damaged areas of the sheet during construction ■ The backing cushioning material can be selected from a wide variety, ranging from long fiber non-woven fabric to highly permeable three-dimensional mesh *For more details, please refer to the PDF document or feel free to contact us.

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The "Hyper Panel SS Sheet" is a waterproof sheet with cushioning material designed for NATM tunnels, equipped with functions that demonstrate excellent workability and construction effectiveness under harsh conditions. Since only non-woven fabric and intermediate backing tape are nailed, it can be installed without creating holes in the waterproof sheet. The waterproof sheet made of EVA resin, which has excellent elongation properties, is point-bonded to the non-woven fabric, which serves as the backing material. This ensures that the elongation properties of each material are not compromised, allowing for excellent conformity to the uneven surfaces of sprayed concrete. 【Features】 ■ High waterproofing performance ■ Excellent drainage performance ■ Excellent conformity ■ Excellent damage resistance ■ Excellent workability *For more details, please refer to the PDF document or feel free to contact us.

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The "Fit Liner Type-S" is a waterproof sheet for tunnels that has been specially processed on the surface of an EVA sheet (thickness 0.8mm) to chemically bond with fresh concrete. It was developed for drainage-type tunnels to prevent water pathways at the interface between the waterproof sheet and the lining concrete, thereby preventing water leakage from the lining. The surface of the black sheet has a white layer that acts as an interlayer, allowing any damage to the waterproof sheet during construction to reveal the black color of the damaged area within the white surface, providing a signal layer function that makes it easy to visually detect damage. 【Features】 ■ Developed for drainage-type tunnels to prevent water leakage from the lining ■ Signal layer function that makes it easy to visually detect damage ■ Effective in areas where manual welding with hot air is frequently used, increasing the risk of water leakage *For more details, please refer to the PDF document or feel free to contact us.

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"Fitliner" is a chemically adhesive waterproof sheet developed for water-tight (non-drainage) tunnels using the New Austrian Tunneling Method (NATM). By chemically bonding the surface of the waterproof sheet with the lining concrete, it prevents water leakage from damaged areas of the waterproof sheet from spreading. Additionally, made from flexible and highly stretchable EVA resin, it conforms well to uneven sprayed surfaces. With a thickness of 2.0 mm, it withstands high water pressure and excels in heat welding on-site. 【Features】 ■ The special surface EVA resin chemically bonds with the concrete ■ Prevents water leakage from wandering at the interface between the waterproof sheet and the lining concrete, stopping it from spreading extensively ■ Compatible with heat welding to standard tunnel waterproof sheets ■ The signal layer is laminated, making it easy to detect damaged areas during construction *For more details, please refer to the PDF document or feel free to contact us.

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The "Me fix type R" is a long steel pipe reinforcement method that aims to improve the adhesion strength, which has been a weakness of previous steel pipe reinforcement methods, and ensures reliable ground confinement. The "type R (RASEN concept)" features a helical grooved steel pipe that possesses adhesion strength equivalent to that of conventional grooved GFRP pipes. When using general steel pipes with a smooth surface, the number of pipes required may increase due to insufficient adhesion strength. However, this method can reduce the number of pipes used, making it economically advantageous. 【Features】 ■ Improvement of adhesion strength and assurance of propulsion performance ■ Strengthening of the threaded section and thinning of the steel pipe through a reduced diameter connection ■ Recycling of steel materials through separate collection ■ Use of small diameter thin-walled steel pipes (φ76.3×4.0, 4.2mm) is possible ■ Improved economy and workability due to weight reduction *For more details, please refer to the PDF document or feel free to contact us.

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The "Signal Washer" is a plate developed to detect ground displacement caused by high earth pressure. It is set with a standard rock bolt, and when the axial force generated in the bolt exceeds a certain level, the coating of the special paint applied to the washer peels off, allowing for easy visual confirmation of deformation. 【Features】 ■ 24-hour real-time condition monitoring ■ Easy installation ■ Visual representation of condition changes ■ No electricity required ■ Patent registered ■ NETIS registered KT-180047-A *For more details, please refer to the PDF document or feel free to contact us.

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