Appropriate renovation proposals are possible! Introducing cases where FRP materials have been used for the renovation of truss bridges.
We would like to introduce a renovation case of the "Iwaya Park Heian Bridge (Minamikyushu City, Kagoshima Prefecture)." This is a replacement construction of a wooden bridge spanning the Manose River that flows through the park. There were several dangerous areas due to wood decay, and while repairs and replacements were considered, a lightweight FRP bridge was adopted, which places less burden on the foundation and allows for long-term use. 【Renovation Case】 ■ Renovation Details: Truss Bridge (Width 2.0m × Length 36.0m [2 spans]) ■ Materials Used - Structural Material: Cedar Laminated Wood → FRP VI Box Girder - Decking: Cedar → FRP - Handrail: Cedar → FRP Our company is capable of making appropriate renovation proposals by combining various materials such as steel, aluminum alloys, FRP, recycled wood, and natural wood. For more details, please refer to our catalog or feel free to contact us.
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■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 heavy machinery and do not need 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, which 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.