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Construction method Product List

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Sand Erosion Prevention Works - Greenland Method

Sand Erosion Prevention Works - Greenland Method

This method involves applying synthetic resin-based sand control agents to prevent flying sand and dust from bare land, such as construction sites and reclaimed land, for a certain period, and by sowing seeds of grasses and turf to establish vegetation that will permanently prevent flying sand and dust. 【Features】 - It is non-toxic to humans and fish, ensuring safety during and after construction. - The sand control agent penetrates and binds soil particles, forming a solid layer that maintains stable sand control effects even under heavy rain or strong winds of 20 m/sec for an extended period. - The sand control agent is colored green, making it easy to confirm the application area. ● For other functions and details, please contact us.

  • Waste treatment facilities
  • Retaining wall
  • Pile and foundation work

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Forest Topsoil Utilization Work A0 Base Method

Forest Topsoil Utilization Worker A0 Base Method

The A0 base method is a natural regeneration greening technique that involves suctioning and collecting buried seeds (soil seed bank) contained in the forest topsoil (A0 layer) near the construction site, utilizing them as plant materials to create local plant communities, and restoring vegetation that harmonizes with diverse ecosystems and the regional landscape. 【Features】 ○ By using buried seeds from the forest topsoil (A0 layer) near the construction site as plant materials, this method suppresses the hybridization of local plant communities (genetic disturbance), preserves a diverse ecosystem, and achieves natural regeneration greening that harmonizes with the regional landscape and environment. ○ The newly developed forest topsoil collection device, the "Seed Bank Sweeper," is lightweight, compact, and efficiently collects forest topsoil while minimizing the impact on the seedlings on the forest floor. ● For other functions and details, please contact us.

  • Retaining wall
  • Earthworks
  • Pile and foundation work

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Long fiber mixed thick layer substrate spraying work - Roving shot method

Long fiber mixed thick layer substrate spraying work - Roving shot method

This construction method is a slope greening technique using geotextiles (soil stabilization fibers). By incorporating long fibers, it streamlines the installation of fiber nets and diamond wire mesh, enhances erosion resistance, and creates a sustainable vegetative foundation, thereby achieving labor savings and shortening the construction process. 【Features】 - The incorporation of long fibers allows for the reinforcement of the growth foundation over a wide area, providing a reinforcement effect similar to that of plant root systems immediately after spraying. - By mixing long fibers into the corkboard-like finished growth foundation, further improvement in erosion resistance can be achieved. ● For other functions and details, please contact us.

  • Bricks and Corks
  • Exterior Materials

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Long fiber mixed reinforcement soil integrated greening construction - Roving wall method

Long fiber mixed reinforcement soil integrated greening construction - Roving wall method

【Features】 ○ Creates reinforced soil with high pseudo-adhesion and shear strength ○ Can accommodate various shapes of slopes and inclines ○ Forms soil structures similar to natural soil conditions ○ Excellent portability allows for efficient construction ● For other functions and details, please download the catalog.

  • Fiber wall
  • Retaining wall
  • Pile and foundation work

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Natural Regeneration Greening Project - Woody Base Method

Natural Regeneration Greening Technology - Woody Base Method

The Woody Base Slope Greening Method effectively utilizes forest resources such as felled trees and uprooted materials that grow in the development area as plant growth substrate and soil resources without transporting them off-site, achieving zero emissions and effective resource utilization while preserving soil fertility and promoting the regeneration of the natural vegetation that existed in the area. 【Features】 - It effectively utilizes plant-derived materials such as stumps and felled timber by primary crushing them into recycled greening substrate. - On-site generated materials can be directly chipped for use, reducing costs and construction time. - It creates a substrate with excellent erosion resistance and freeze-thaw durability, enabling natural regeneration through a super slow greening method. - Delayed decomposition technology has made it possible to avoid plant growth obstacles, allowing for stable greening. ● For other functions and details, please contact us.

  • Retaining wall
  • Earthworks
  • Pile and foundation work

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Natural regeneration greening using regional seedlings: Slope forest base method

Regional seedling-based natural regeneration greening: Slope forest base method

The Sloped Forest Base Method involves fixing native tree pot seedlings, cultivated in the region, at specified intervals using the sloped seedling fixing device "Sloped Forest Base," and spraying a plant growth substrate to create island-like growth bases. 【Features】 - The root ball of the seedlings is anchored with anchor pins to secure it to the slope, while the substrate-holding wire mesh can be fixed with a single touch at the same time. - The Sloped Forest Base has a water retention area for the slope, which enhances the survival rate of the plants. - Depending on the purpose, goals, and budget for greening, the types of seedlings and the installation pitch can be freely set, allowing for economical and aesthetically pleasing arrangements. ● For other functions and details, please contact us.

  • Retaining wall
  • Earthworks
  • Pile and foundation work

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Long fiber mixed soil spraying work - Roving soil method

Long fiber mixed topsoil spraying work - Roving soil method

This construction method is a slope greening technique using geotextiles (soil stabilization fibers). By incorporating long fibers, it reduces labor in the installation of fiber nets and diamond wire meshes, excels in erosion resistance, and creates a sustainable vegetation foundation, aiming for labor savings and a shortened process. 【Features】 ○ By incorporating long fibers, it has become possible to create a growth foundation with a thickness of about 5 cm, whereas previously only about 3 cm could be achieved at once. This method can now be applied to steep slopes compared to conventional soil spraying methods. ○ The incorporation of long fibers provides effects similar to the rooting of herbaceous and woody plants immediately after spraying, reinforcing the sprayed soil material and further enhancing erosion resistance. ● For other functions and details, please download the catalog.

  • Special Construction Method

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Blow-off frame construction - Free frame construction method

Blow-in frame construction - Free frame method

The Free Frame Method involves creating a continuous grid frame on cut slopes or natural slopes to ensure the stability of the frame, while also applying vegetation within the frame to achieve harmony with the surrounding environment, thereby contributing to disaster prevention and environmental conservation. 【Features】 - The free frame components are lightweight and allow for deformation, making them easy to work with. - Since the free frame components are buried, no dismantling work is required. - Mortar and concrete are applied using a spraying method, making temporary setups simple and not requiring much workspace. - It is possible to create economical cross-sections freely according to the geological conditions. - By directly spraying concrete onto the ground, the ground and frame become integrated, providing sufficient strength and making it resistant to erosion. ● For other functions and details, please contact us.

  • Retaining wall
  • Earthworks
  • Pile and foundation work

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Mortar and concrete spraying, planting greening with spraying method framework - Green Pocket method

Mortar and concrete spraying, planting greening with spraying method framework - Green Pocket method

This method involves creating a vegetation base in the form of planters, used in conjunction with traditional methods that have been considered difficult for permanent greening, such as mortar and concrete spraying and steep slope spraying frame construction. It ensures slope stability through planting work while providing "moisture" and "tranquility" through greenery. 【Features】 - It has a landscape effect of "moisture" and "tranquility." - It prevents light reflection. - It effectively drains spring water and other sources. - It suppresses the rise of surface soil temperatures, thereby reducing weathering. - It has environmental conservation effects. For other functions and details, please contact us.

  • Retaining wall
  • Earthworks
  • Pile and foundation work

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Concrete wall greening work - Wall pocket method

Concrete Wall Greening Project - Wall Pocket Method

The wall pocket method is a greening technique that creates amenity spaces by installing planting planters on concrete structures and planting flowering trees and climbing plants, taking into consideration environmental conservation and landscape improvement. 【Features】 - The planted flowering trees and climbing plants absorb CO2 and, through the cooling effect of the plants, keep the temperature rise of the concrete structures to between 15°C and 20°C. - By actively introducing flowers and greenery to the grayish-white, inorganic concrete walls, it provides moisture and tranquility, as well as the emotional impact of "beauty," while also creating a gentle environment for living organisms and improving a society that coexists with nature. - It blocks the glare (reflected light, radiant heat) from the concrete, promoting comfort and safety. ● For other functions and details, please contact us.

  • Wall and rooftop greenery

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Ground Anchor Construction KTB Anchor Method

Ground anchor construction KTB anchor method

The KTB anchor method uses a screw-type anchor head for anchoring each strand after "wedge" anchoring, and further anchors it using a ring nut method with the screw-type anchor head, eliminating set loss and enhancing the tightening effect. 【Features】 ○ The KTB anchoring method is a wedge and nut anchoring system, which eliminates losses, allows for free re-tensioning, and enables flexible adjustment of the strand length and number on-site. ○ The tensioning materials used in this method, <SC strand> and <SC unbonded> (fully coated PC steel wire), are materials that significantly enhance the corrosion resistance performance against various corrosive environments for PC steel wire. ● For other functions and details, please contact us.

  • Retaining wall
  • Pile and foundation work
  • Joining and fastening materials

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Ground anchor steel pressure plate combined RC pressure plate construction GRASP method

Ground anchor steel pressure plate combined with RC pressure plate construction - GRASP method

This is a new ground anchor method that integrates a steel bearing plate and a site-cast reinforced concrete reaction plate to ensure slope stability. 【Features】 ○ After cutting the ground, the anchor tension is quickly introduced using a lightweight steel bearing plate, significantly improving safety during construction by suppressing ground loosening, allowing for simultaneous construction of various work types, and achieving rational construction management and shortened construction periods. ● For other functions and details, please contact us.

  • Retaining wall
  • Earthworks
  • Pile and foundation work

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Simple Spraying Method Frame Work - Soil Crete Method

Simple Spraying Method Frame Work - Soilcrete Method

Achieve cost reduction and landscape preservation! 【Features】 By using a simple assembly frame instead of a complex formwork, it requires almost no leveling work on the ground, allowing for construction that follows the contours of the terrain. ○ Since mortar is directly sprayed onto the ground, it has excellent adhesion to the substrate and does not require foundation concrete. ○ The frame adheres closely to the ground, and its cross-sectional shape is elliptical, which enhances surface water drainage and prevents water accumulation within the frame. ○ By using an assembly frame, rebar is held in the correct position, and an accurate cross-sectional shape is ensured, allowing for the creation of stable quality frames. ○ With excellent growth substrate materials and a strong greening foundation, long-term stable greening can be achieved. ● For other functions and details, please contact us.

  • Retaining wall
  • Earthworks
  • Pile and foundation work

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GS20 Pressure Plate Method (FRP Lightweight Pressure Plate)

Reinforced earthworks using a combination of rebar insertion and GS20 bearing plates.

The method involves using a reinforced FRP pressure plate made by stacking 20 sheets of fiberglass with different strength characteristics, designed for lightweight and ultra-high-strength earth reinforcement techniques. It is a method for preventing surface collapse on slopes and embankments, used in conjunction with rebar insertion techniques and GS20 pressure plates as part of earth reinforcement works, along with vegetation substrate spraying, sprayed retaining wall works, and short fiber reinforced mortar spraying (fiber shotcrete). Additionally, it can also be used as a reinforcement method for existing structures. 【Design Method】 ■ The design of the rebar reinforcement insertion method is based on NEXCO's "Earth Reinforcement Design and Construction Guidelines" or the Japan Geotechnical Society's "Design and Construction Manual for Ground Reinforcement Methods." *For more details, please download the PDF or contact us.

  • Ground foundation construction method

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