[Bridge Construction Case] Sasebo Elevated Bridge (Widening) Project

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last updated：Dec 09, 2022

エム・エムブリッジ

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The development of the Nishikyushu Expressway is expected to alleviate congestion on general roads and improve safety.

MM Bridge Co., Ltd. is currently carrying out widening work on the Sasebo Viaduct. The Sasebo Viaduct, located on National Route 497 and the Nishi-Kyushu Expressway, is a dedicated roadway approximately 3 km from Sasebo Station towards the sea and is situated on a main road in the city. This improvement work is expected to enhance traffic safety, strengthen functionality (alternative functions for disaster prevention, regional revitalization, and improved convenience), and alleviate congestion. 【Features】 ■ Widening of the bridge pier and beam through a composite structure of concrete and steel materials ■ Installation using large cranes in a single operation ■ Installation using gate equipment in a single operation *For more details, please refer to the PDF document or feel free to contact us.

Related Link - https://www.mm-bridge.com/

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【Other Features】 - Tension and connect existing concrete beams and newly installed steel beams with PC steel wires. - Fill the steel member side of the joint with high-flow concrete and provide anchorage for the PC steel wires. - Transport a one-span PC girder on a multi-axle cart along the prefectural road within the yard. - Erect two main girders between the piers overnight. - Lift the PC girder with the gantry equipment and move it horizontally to the installation point. *For more details, please refer to the PDF document or feel free to contact us.