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The Texpan method is a two-part precast arch culvert construction technique developed in France. By alternately combining reinforced concrete arch components, it creates a space that can be used as an alternative to culverts and bridges by placing fill on top. Since it involves the assembly of precast components, the construction is simple and quick. Additionally, due to the two-part arch structure and unique connection method, it can be applied to culverts with high earth cover and large internal spaces, even with thin concrete components.
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【Features】 ○ The installation of arch members is approximately 10 meters per day. Compared to the cast-in-place culvert method, this significantly shortens the construction period. Additionally, no special techniques or skilled workers are required for the installation. ○ By adopting the Texpan method instead of traditional bridges, substantial cost reductions are possible. ○ The arch members are thin and come in four sizes: 25cm, 30cm, 35cm, and 40cm. Even with the 40cm arch members, it is possible to create culverts that can handle 30 meters of earth cover or culverts with a clear width of 20 meters. ○ The inner curve of the arch harmonizes with the surrounding environment. ○ NETIS Registration: CB-980117-V ● For more details, please contact us or download the catalog.
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Applications/Examples of results
Road bridges, river bridges, bridge replacements, continuous arches, high earth cover, etc.
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Reinforced soil refers to the technology used to build soil vertically high or to prevent collapse when soil is excavated. It is an essential technology in Japan, which is narrow and prone to earthquakes. Hirose Reinforced Soil Co., Ltd. also engages in civil engineering consulting using these methods.