Construction method suitable for the erection of superstructures with Takahashi piers.
The "Jack-Up Rotating Erection Method" is a construction technique where steel girders are sequentially assembled alongside bridge piers using jacks, and after assembly is complete, the girders are rotated and erected using wire ropes. Using the jack-up equipment installed at the base of the bridge pier, the main girder is raised, and then the girder is inserted and joined, followed by vertical jack-up along the bridge pier. This series of operations is repeated to attach the girder to the rotation pin at the top of the bridge pier. Please feel free to contact us if you have any inquiries. 【Features】 ■ Suitable for superstructure erection with high bridge piers ■ Effective when planning adjacent areas of the bridge for launching yards is difficult ■ A method that minimizes high-altitude work ■ Suitable for the erection of small main girder bridges *For more details, please feel free to contact us.
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【Design Conditions】 ■Road Standards: Type 1, Class 3, B Standard ■Design Speed: 80 km/h ■Design Load: B Live Load ■Bridge Type: 4-span continuous rigid frame steel bridge (non-composite) ■Bridge Length: 262.0 m ■Span Lengths: 45.3 m + 85.0 m + 85.0 m + 45.3 m ■Effective Width: 9.0 m ■Geometric Elements: Horizontal alignment R=1400 m, longitudinal gradient 1.9% ■Deck: PRC Deck *For more details, please feel free to contact us.
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Since our establishment, we have contributed to society by providing technologies that always meet the needs of the times. We have expanded our business scope, starting with the manufacturing of transmission towers, to include three-dimensional structures, special steel frames, building steel frames, bridges, and comprehensive construction. In order to achieve "social contribution by expanding urban functions that allow people to lead richer lives through our business activities," we will respond to our customers' needs by combining the know-how we have cultivated over many years with advanced technology. Please feel free to contact us if you have any requests.