[Construction Case] A Bridge Connecting Tradition and Technology <Chikugo River Bridge Superstructure Construction>
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We would like to introduce the "Fukuoka No. 208 Chikugogawa Bridge Superstructure (P4-P8) Construction." The Chikugogawa Bridge is a long bridge spanning the Chikugo River with a length of 450 meters and a maximum span of 170 meters, featuring two arches. Its horizontal design and gentle arch curves create a lightness as it gracefully crosses the river, harmonizing with the spacious surrounding landscape. Additionally, it is constructed as a "steel arch bridge," allowing for lower pier heights on the de Reike embankment, thereby reducing the sense of pressure. The construction method involves a crane erection method that uses temporary support materials called bent to connect the bridge girders. For the erection between P5 and P6, a special jack is used to gradually advance the bridge girder forward, employing a launching erection method. 【Bridge Specifications】 ■ Bridge Type: Steel 4-span continuous (2-span) single-arch bridge ■ Bridge Length: 450m ■ Arch Spans: 170m, 153m ■ Arch Rise: 30m, 27m ■ Width: 20.5-21.4m ■ Total Weight: 6465t *For more details, please refer to the PDF document or feel free to contact us.
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**Design of the Chikugo River Bridge** - The design is based on a red to orange color scheme, taking into account the surrounding scenery, including the Chikugo River and the lifting bridge. - The arrangement of the suspension materials is in a "cross arrangement," creating a sense of rhythm and expansiveness through the arch and suspension materials by presenting them as a surface. - To avoid obstructing the water control function of the riverbank, the bridge piers are narrower than the width of the riverbank. - The height of the bridge piers is kept low, with a trapezoidal cross-section that blends in with the riverbank. - To enhance the value of the riverbank, the design of the bridge piers features a simple concrete finish. *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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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.