[Construction Case] Bridge Connected by Triangles: Installation of Reinforced Beams and Composite Decks
A steel arch bridge spanning the first-class river Shōgawa! Introducing a construction example from M.M. Bridge.
The "Toga Dam Shokawa Bridge Superstructure Construction" is being developed as a construction access road for the Toga Dam project, and it involves the construction of a bridge that crosses the first-class river Shokawa, starting from National Route 156. The arch base, bridge pier base, and each bridge pier are integrated with concrete in a rigid structure that can withstand significant earthquakes. A highly durable composite deck is used for the floor slab. Additionally, the stiffening girder and composite deck of the arch section were erected using a cable crane, while a crawler crane was used for other sections. 【Bridge Overview】 ■ Type: Steel through arch bridge ■ Bridge Length: 368.0m ■ Span Length: 27.2m + 28.0m + 205.0m (Arch 190.0m) + 36.0m + 36.0m + 34.2m ■ Road Width: 8.5m to 9.5m ■ Steel Weight: Approximately 1,725t *For more details, please refer to the PDF document or feel free to contact us.
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【Features】 - Aiming for harmony with the surrounding environment while emphasizing cost-effectiveness, a triangular truss structure was created using pipes with diameters ranging from 400mm to 1,000mm in the arch section. - The erection of the arch section adopted the cable erection inclined suspension method. - Materials were transported using a cable crane set up by stretching wire ropes between iron towers installed on both sides, while the arch girder was erected by pulling it with inclined suspension cables extending from the iron towers. - Efforts were made to improve the quality of concrete using a concrete filling detection system and temperature sensors. *For more details, please refer to the PDF document or feel free to contact us.*
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For more details, please refer to the PDF document or feel free to contact us.
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Download All Catalogs![[Construction Case] Triangle-Connected Bridge: Reinforced Beam and Composite Slab Installation Edition](https://image.www.ipros.com/public/catalog/image/01/b76/683332/IPROS18126639916729511284.jpeg?w=120&h=170)
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Our company is a comprehensive engineering firm specializing in steel structure products, starting with bridge projects. With advanced technology and extensive experience cultivated over many years, we respond to our customers' needs through the design, construction, and maintenance of bridges and steel structures, providing high-quality social infrastructure. Please feel free to contact us if you have any inquiries.
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