Excellent weather resistance, lightweight and high strength.
Resistant to rainwater and salt damage, and does not corrode. Maintenance costs can be reduced. Can accommodate sites where material delivery is difficult. Can shorten construction periods and reduce on-site construction costs. Foundation work can be minimized. A texture that matches the refined urban landscape. Exhibits excellent weather resistance and durability even in harsh natural conditions such as mountains and coastal lakes. The performance of GRP pull-out materials is utilized in various scenes.
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basic information
FRP is a composite material made of reinforced fibers and resin. It possesses excellent properties such as toughness, lightweight, corrosion resistance, impact resistance, and electrical insulation, and its applications have greatly expanded in recent years. Our FRP pull-out materials use isophthalic unsaturated polyester resin, which excels in strength performance, heat resistance, and corrosion resistance, as the base material, and glass fibers as the reinforcing material. Among FRP, those that use glass fibers as the reinforcing material are called GFRP (GRP). The glass fibers bear tensile and compressive loads, while the polyester resin of the base material transmits shear forces, forming a strong structure. Compared to traditional structural materials such as steel, concrete, aluminum, and wood, GFRP pull-out materials excel in corrosion resistance and lightweight properties. A significant advantage is the reduction in costs related to construction, foundation work, and on-site transportation, as well as maintenance expenses. Even when exposed to ultraviolet rays and rain, the GFRP itself is not compromised, and its physical properties do not degrade. Additionally, GFRP is a stable material that does not decompose and leach harmful substances into the environment. Since 2007, we have used GFRP pull-out materials as the main structural components for pedestrian bridges and boardwalks (wooden paths, walkways, decks, piers, etc.) in parks, accumulating a wealth of construction experience in numerous projects.
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Applications/Examples of results
■ Boardwalk Okushibu River Promenade (Kin Town, Okinawa Prefecture) Banna Park (Ishigaki City, Okinawa Prefecture) Moshiobashi Canal Walkway (Minato Ward, Tokyo) Hamajirobashi Canal Walkway (Minato Ward, Tokyo) Shintokai Bridge Canal Walkway (Shinagawa Ward, Tokyo) Asanagi Bridge Canal Walkway (Koto Ward, Tokyo) Huis Ten Bosch (Sasebo City, Nagasaki Prefecture) Matsuda Mega Cave (Ginoza Village, Okinawa Prefecture) Hibikinada Biotope (Kitakyushu City, Fukuoka Prefecture) Tomonouchi River Nature Observation Path (Nobeoka City, Miyazaki Prefecture) Tachiarai Pond Garden Path (Mitsui District, Fukuoka Prefecture) Mikitsu Park (Itabashi Ward, Tokyo) National Route 390 (Ishigaki City, Okinawa Prefecture) Ogamiyama Park (Chichijima, Ogasawara Village, Tokyo) etc... ■ Railing Rinkai Park (Hekinan City, Aichi Prefecture) Hirado Port (Hirado City, Nagasaki Prefecture) Hayama Marina (Hayama Town, Kanagawa Prefecture) etc... ■ Stairs Sueyoshi Park (Naha City, Okinawa Prefecture) Oishi Park (Naha City, Okinawa Prefecture) etc... ■ Suspension Bridge / Pergola Hōkaeri Valley (Semboku City, Akita Prefecture) Polytechnic College Kawauchi Campus (Satsumasendai City, Kagoshima Prefecture) Kumamoto City Zoological and Botanical Gardens (Kumamoto City, Kumamoto Prefecture) etc... ■ Truss Bridge Sendan Todoroki Forest (Yatsushiro City, Kumamoto Prefecture) National Okinawa Memorial Park Ocean Expo Park (Motobu Town, Okinawa Prefecture) Hirakawa Zoo (Kagoshima City, Kagoshima Prefecture) Banna Park (Ishigaki City, Okinawa Prefecture) etc...
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Company information
■FRP materials that are lightweight, have high strength per unit weight, are corrosion-resistant, and are strong against salt damage. ■Pin foundation bases that do not require the use of heavy machinery or excavation of the ground surface. Our company has introduced these two technologies ahead of other companies in Japan and boasts a wealth of construction achievements. We are involved in the design and construction of bridges, decks, boardwalks, and piers in national parks and theme parks that are well-known to everyone. By partnering with a Dutch company and introducing new technology using FRP materials, we have made it possible to construct long-span FRP bridges that were previously difficult to achieve. Furthermore, a durability of over 60 years is expected, making this a technology that can open up new markets in the future.