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[Example of Face Water Control Work] Hisakurizaka Tunnel

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[Example of Face Water Control Work] Hisakurizaka Tunnel

tunnel2-1-768x807.jpg
tunnel2-1-768x807.jpg

Introduction of a case where the leakage of flow ends was resolved, preventing road surface freezing and leading to improved safety!

This is a case study of leak prevention work conducted at the Kurizaka Tunnel in Aomori City, Aomori Prefecture, using "surface drainage technology." Leakage from the spring line (SL) was causing the formation of ice pillars, which posed safety risks. Additionally, snow-melting pipes were installed on the sidewalk, making it difficult to manage water flow, necessitating effective countermeasures. To address the leakage from the SL, arch drain surface drainage was implemented, and side drains were installed for the drainage treatment of the water flow. The elimination of ice pillar formation meant that nighttime responses from management were no longer necessary, reducing the burden of maintenance. 【Case Overview】 ■Challenges - Leakage from the spring line (SL) was causing the formation of ice pillars, which hindered safety. - The presence of snow-melting pipes on the sidewalk made it difficult to manage water flow. ■Results - Nighttime responses from management were no longer necessary, reducing the burden of maintenance. - Leakage at the water flow was resolved, preventing road surface freezing and improving safety. *For more details, please download the PDF or feel free to contact us.

Related Link - https://www.n-drain.co.jp/column/content/1403

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【Case Details】 ■Products Used - Arch Drain Surface Water Guide - Side Drain *For more details, please download the PDF or feel free to contact us.

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Comprehensive Catalog of Japanese Drains for Water Conduits and Underground Drainage Materials

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