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[Precast Invert Adoption Case] Nishinomiya Kita Road Bandaki Tunnel, Hyogo Prefecture

Adopting "precast invert" for countermeasures against slab heave in heavily trafficked mainline tunnels!

We would like to introduce a case where our "precast invert" was adopted for the Bandaki Tunnel on the Nishinomiya-Kita Road in Hyogo Prefecture. The Bandaki Tunnel experienced bulging over a length of approximately 10 meters, but the site had no detour routes, making it difficult to impose a full-day traffic restriction on the bus route. As a result, a precast invert that allows for full closure at night and full opening during the day was adopted. By considering the shape of the components and installation methods according to the site conditions each time, construction can be carried out within the narrow tunnel and within the limited closure time. 【Overview】 ■ Location: Hyogo Prefecture ■ Completion: 2015 ■ Client: Hyogo Prefectural Road Corporation ■ Remarks: 10.5m *For more details, please refer to the PDF document or feel free to contact us.

• Company：日本サミコン
• Price：Other

• Tunnel construction
• Tunnel Materials