Construction method×日鉄ケミカル&マテリアル - List of Manufacturers, Suppliers, Companies and Products

Construction method Product List

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Reinforcement of seismic-resistant components: SR-CF method

Excellent workability and improved productivity! High reinforcement effect for wall-mounted columns, slab beams, and seismic walls, just like independent columns.

The SR-CF method (Seismic Retrofit by Carbon Fiber Sheet) is a technique that allows for the reinforcement of all seismic components using carbon fiber sheets. By using CF anchors in conjunction, the advantages of carbon fiber sheet reinforcement—such as workability, safety, and quietness—are maintained, while achieving high reinforcement effects for wall-attached columns, beams with slabs, and seismic walls, similar to independent columns. The design and construction guidelines for this method are based on numerous experimental data and have received technical evaluation from the Japan Architectural Disaster Prevention Association. 【Features】 ■ Unlike conventional CF anchors made on-site, this is a factory-manufactured product, ensuring stable quality and eliminating the need to count strands when bundling CF strands. ■ Excellent workability and improved efficiency. ■ Easy to spread CF anchors in a fan shape. ■ Because it is a specially processed CF strand, it is less likely to swell even when resin is impregnated, allowing for construction with smaller hole diameters than conventional methods in through-type installations. *For more details, please refer to the PDF materials or feel free to contact us.

  • Earthquake-resistant construction method

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Reinforcement of Existing Concrete Structures: Outplate Method

High bending reinforcement effect and high crack control effect! Suitable for the construction of RC and PC hollow slab bridges.

The Outplate method is a reinforcement technique that involves tensioning a prefabricated CFRP plate (Outplate) with anchoring bodies at both ends, fixing and bonding it to an existing concrete structure. Compared to conventional continuous fiber sheet bonding methods, tensioning the Outplate allows for the introduction of prestress into the concrete. This method achieves significant reinforcement effects with a minimal amount of reinforcement material. Since thin CFRP plates are used as tensioning materials, there is almost no change in the appearance or cross-section after reinforcement, making it particularly suitable for the construction of RC and PC hollow slab bridges. 【Features】 ■ High bending reinforcement effect ■ High crack control effect ■ Recovery of deflection ■ Improved durability ■ Minimal maintenance ■ Reinforcement above the supports of continuous girders is possible from the underside *For more details, please refer to the PDF document or feel free to contact us.

  • Renovation and repair methods

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Repair and reinforcement method for structures: "Strand Sheet Method"

Introducing a groundbreaking method that fundamentally solves the problems associated with traditional continuous fiber sheet bonding techniques!

The "Strand Sheet Method" is a repair and reinforcement technique that processes FRP strands, which are impregnated and cured with resin, into sheet form and adheres them to the surfaces of concrete and steel structures using a specialized adhesive. The specialized adhesive also serves as a primer and leveling material. Since resin impregnation and degassing work are not required, sheets can be applied immediately after surface preparation, resulting in reduced construction time and lower costs. Strand sheets are available in a high-elasticity type with a lineup up to 900g/m2, providing greater reinforcement effects with a single layer compared to the toe sheet method. 【Features】 ■ Short construction time and low cost ■ Significant reinforcement effect ■ Simple and high quality ■ Good construction environment ■ The specialized adhesive is grease-like, preventing resin splatter and other issues *For more details, please refer to the PDF materials or feel free to contact us.

  • Renovation and repair methods

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Strand Sheet JCM Embedded Method for Floor Slab Reinforcement

We will introduce a reinforcement method for the upper surface of floor slabs using continuous fiber FRP sheets and ultra-rapid hardening mortar!

The "Strand Sheet JCM Buried Method" is a groundbreaking technique that evolves the conventional bonding reinforcement method using continuous fiber sheets on the top surface of slabs. By combining a joint epoxy resin adhesive with a super-fast hardening fiber-reinforced polymer cement mortar and strand sheets, it enables an overwhelming reduction in construction time. Furthermore, since strength is achieved approximately 3 hours after construction, it also allows for a reduction in traffic regulation time. 【Features】 ■ Realizes rapid construction ■ Short curing time ■ Significant reinforcement effect ■ High durability *For more details, please refer to the PDF materials or feel free to contact us.

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Repair and reinforcement method for structures: "FORCA Tow Sheet Method"

Applicable for the repair of corrosion in steel components! We provide excellent workability, significant repair and reinforcement effects, and high quality.

The "Toshit Method" is a repair and reinforcement technique for steel and concrete structures using continuous fiber sheets. Reinforcement with only resin and carbon fibers prevents rust and is highly effective against salt damage. It offers a high reinforcement effect with high-strength, high-elasticity continuous fibers arranged in one direction. In addition, we also offer repair and reinforcement methods such as the "Strand Sheet Method," which involves attaching sheet-like FRP strands with a special adhesive, and "Toe Anchors." 【Features】 ■ Strong and lightweight continuous fibers ■ High waterproofing properties ■ Simple construction ■ No rust formation ■ Compliant with RC design methods ■ Applicable for repairing corroded steel members *For more details, please refer to the PDF document or feel free to contact us.

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Repair and reinforcement method for steel structures: "FORCA PL-CF Method"

It is very lightweight and can be easily carried by hand to the site! Carbon fiber does not corrode, making it effective for maintenance management.

The "FORCA PL-CF Method" is a technique for restoring the load-bearing capacity of steel members that have experienced rust progression and a reduction in thickness. By applying a low-elasticity, high-ductility putty material between the steel member and the carbon fiber sheet, the system is designed so that the carbon fiber sheet does not delaminate even when the steel member deforms. This method allows for the application of carbon fiber sheets and strand sheets even on members subjected to compressive and shear forces. 【Features】 ■ Lightweight materials ■ No large tools required for construction ■ Corrosion-resistant ■ Can be processed on-site ■ Does not damage the member *For more details, please refer to the PDF document or feel free to contact us.

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構造物の補修・補強工法『FORCA(フォルカ)トウプレート工法』

簡単施工で大きな補強効果!FRPプレートによるコンクリート構造物の補修・補強工法

『FORCA(フォルカ)トウプレート工法』は、一方向配列の炭素繊維を 熱硬化性樹脂に含浸させ、板状に成型硬化させたCFRPプレートを接着剤で コンクリート表面に貼り付ける補強工法です。 CFRPプレートは炭素繊維シートと比べて単位幅あたりの強度と剛性が 高いので、補修箇所の全面に貼り付ける必要もなく、間隔を空けての 施工も可能。 施工現場で含浸用の含浸・接着剤を使用しないため、上向き施工での 作業者の負担や養生も軽減できます。 【特長】 ■高強度・高剛性 ■1枚でも大きな補強効果 ■上向き作業での「ダレ」から解放 ※詳しくはPDF資料をご覧いただくか、お気軽にお問い合わせ下さい。

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Repair and reinforcement method for concrete structures: "FORCA Tow Sheet Method"

Introducing repair and reinforcement methods for concrete structures using carbon fiber sheets and aramid fiber sheets!

The "FORCA Tow Sheet Method" is a reinforcement technique that involves simply adhering a unidirectionally arranged continuous fiber sheet, called "Tow Sheet," to the surface of concrete using a room-temperature curing epoxy resin, making it highly effective in terms of workability. It demonstrates a high reinforcement effect without increasing weight, allowing for quick responses to concerns in bridge construction such as seismic reinforcement of bridge piers, accommodating live loads on deck slabs, and reinforcing or preventing spalling in tunnels, chimneys, and other concrete structures, as well as preventing crack progression. 【Features】 ■ Excellent workability in reinforcement methods ■ High reinforcement effect without increasing weight ■ Quick response to reinforcement, spalling prevention, and crack progression prevention in structures *For more details, please refer to the PDF document or feel free to contact us.

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Shield Launch and Arrival Method 'NOMST'

Shortening of construction period is possible! Automation and labor-saving for departure and arrival can be achieved, resolving the difficulty in securing craftsmen such as those for demolition work.

"NOMST" is a new shield launch and arrival method using new material concrete. In conventional methods, ground improvement was necessary as protective work for the launch and arrival of the shield, and manual demolition of the pit wall at the entrance was required. However, with NOMST, new material concrete that can be cut by the cutter bit of the shield machine is used. Ground improvement through chemical injection is unnecessary or can be reduced, allowing the shield machine to launch and arrive without the dangerous manual demolition of the entrance. 【Features】 - Ground improvement for launch and arrival is unnecessary or can be reduced, enabling groundwater pollution prevention, shortening of construction periods, and cost benefits. - Safety during launch and arrival is ensured. - Dangerous work is eliminated, making safety management for workers and supervisors easier. - Construction periods can be shortened. - Automation and labor-saving for launch and arrival can resolve difficulties in securing skilled workers such as those in demolition work. *For more details, please refer to the PDF document or feel free to contact us.

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Reinforcement method for existing concrete structures: "Outplate Method"

Fixed and bonded to the existing concrete structure! You can achieve a significant reinforcement effect with a small amount of reinforcement material.

The Outplate method is a reinforcement technique that involves tensioning prefabricated CFRP plates (outplates) with anchoring bodies at both ends, fixing and bonding them to existing concrete structures. Compared to conventional continuous fiber sheet bonding methods, tensioning the outplates allows for the introduction of prestress into the concrete, enabling significant reinforcement effects with a smaller amount of reinforcement material. Since thin CFRP plates are used as tensioning materials, there is almost no change in the external appearance or cross-section after reinforcement, making it particularly suitable for the construction of RC and PC hollow slab bridges, and it can also be applied to external cable reinforcement of steel bridges. 【Features】 ■ High bending reinforcement effect and crack control effect ■ Recovery of deflection ■ Improved durability ■ Minimal maintenance ■ Reinforcement over the supports of continuous girders can be done from the underside ■ Excellent aesthetic quality *For more details, please refer to the PDF document or feel free to contact us.

  • Earthquake-resistant construction method

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Repair and reinforcement method for steel structures: "PL-CF Method"

Using heat-resistant resin, it performs well even in high-temperature environments such as sunlight! It suppresses the progression of corrosion in steel components.

The "PL-CF Method" is a repair and reinforcement technique for steel structures that can suppress delamination using high-elasticity putty material. It utilizes heat-resistant resin, demonstrating performance even in high-temperature environments such as direct sunlight. Only fibers and resins that do not cause rust are used, which helps to inhibit the progression of corrosion in steel components. [Features] ■ Suppresses delamination of carbon fiber sheets ■ Applicable to tensile, compressive, and shear components ■ Inhibits the progression of corrosion ■ Heat-resistant suitable for steel structures ■ High reinforcement effect ■ Simple construction process *For more details, please refer to the PDF materials or feel free to contact us.

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