Application of 'casting support tunneling system using TBM' to unconsolidated soil with high groundwater level

Hiroomi Iida; Takashi Kitagawa; Keizo Chishiro; Takatoshi Ono; Yukinori Koyama; Atsushi Koizumi

Application of 'casting support tunneling system using TBM' to unconsolidated soil with high groundwater level

Hiroomi Iida, Takashi Kitagawa, Keizo Chishiro, Takatoshi Ono, Yukinori Koyama, Atsushi Koizumi

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

The Sambongihara Tunnel on the Tohoku Shinkansen Line, located between Hachinohe and Shin-Aomori stations, is a double-track tunnel 4,280 meters long. The geology of this tunneling site mainly consists of alternating layers of unconsolidated sandy soil under high hydraulic pressures and cohesive soil. Excavation of this tunnel began in August 2001 using the NATM from the Shin-Aomori side, but the tunnel face collapsed twice, preventing the tunnel construction from advancing as scheduled. We therefore conducted an in-depth study to develop a new tunneling technique, aimed at improving efficiency and safety of the work. The new tunneling method uses a standard earth and mud pressure shield to maintain face stability and ensure good excavating capability. The technique developed will significantly improve the efficiency and safety of the work. This paper outlines the construction and design of the linings selected for this tunneling practice.

Original language	English
Title of host publication	Underground Space Use: Analysis of the Past and Lessons for the Future - Proceedings of the 31st ITA-AITES World Tunnel Congress
Pages	765-771
Number of pages	7
Volume	2
Publication status	Published - 2005
Event	2005 ITA-AITES World Tunnel Congress and 31st General Assembly - Istanbul Duration: 2005 May 7 → 2005 May 12

Other

Other	2005 ITA-AITES World Tunnel Congress and 31st General Assembly
City	Istanbul
Period	05/5/7 → 05/5/12

ASJC Scopus subject areas

Civil and Structural Engineering
Geography, Planning and Development

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Iida, H., Kitagawa, T., Chishiro, K., Ono, T., Koyama, Y., & Koizumi, A. (2005). Application of 'casting support tunneling system using TBM' to unconsolidated soil with high groundwater level. In Underground Space Use: Analysis of the Past and Lessons for the Future - Proceedings of the 31st ITA-AITES World Tunnel Congress (Vol. 2, pp. 765-771)

Application of 'casting support tunneling system using TBM' to unconsolidated soil with high groundwater level. / Iida, Hiroomi; Kitagawa, Takashi; Chishiro, Keizo; Ono, Takatoshi; Koyama, Yukinori; Koizumi, Atsushi.

Underground Space Use: Analysis of the Past and Lessons for the Future - Proceedings of the 31st ITA-AITES World Tunnel Congress. Vol. 2 2005. p. 765-771.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Iida, H, Kitagawa, T, Chishiro, K, Ono, T, Koyama, Y & Koizumi, A 2005, Application of 'casting support tunneling system using TBM' to unconsolidated soil with high groundwater level. in Underground Space Use: Analysis of the Past and Lessons for the Future - Proceedings of the 31st ITA-AITES World Tunnel Congress. vol. 2, pp. 765-771, 2005 ITA-AITES World Tunnel Congress and 31st General Assembly, Istanbul, 05/5/7.

Iida, Hiroomi ; Kitagawa, Takashi ; Chishiro, Keizo ; Ono, Takatoshi ; Koyama, Yukinori ; Koizumi, Atsushi. / Application of 'casting support tunneling system using TBM' to unconsolidated soil with high groundwater level. Underground Space Use: Analysis of the Past and Lessons for the Future - Proceedings of the 31st ITA-AITES World Tunnel Congress. Vol. 2 2005. pp. 765-771

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abstract = "The Sambongihara Tunnel on the Tohoku Shinkansen Line, located between Hachinohe and Shin-Aomori stations, is a double-track tunnel 4,280 meters long. The geology of this tunneling site mainly consists of alternating layers of unconsolidated sandy soil under high hydraulic pressures and cohesive soil. Excavation of this tunnel began in August 2001 using the NATM from the Shin-Aomori side, but the tunnel face collapsed twice, preventing the tunnel construction from advancing as scheduled. We therefore conducted an in-depth study to develop a new tunneling technique, aimed at improving efficiency and safety of the work. The new tunneling method uses a standard earth and mud pressure shield to maintain face stability and ensure good excavating capability. The technique developed will significantly improve the efficiency and safety of the work. This paper outlines the construction and design of the linings selected for this tunneling practice.",

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AU - Iida, Hiroomi

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AU - Ono, Takatoshi

AU - Koyama, Yukinori

AU - Koizumi, Atsushi

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AB - The Sambongihara Tunnel on the Tohoku Shinkansen Line, located between Hachinohe and Shin-Aomori stations, is a double-track tunnel 4,280 meters long. The geology of this tunneling site mainly consists of alternating layers of unconsolidated sandy soil under high hydraulic pressures and cohesive soil. Excavation of this tunnel began in August 2001 using the NATM from the Shin-Aomori side, but the tunnel face collapsed twice, preventing the tunnel construction from advancing as scheduled. We therefore conducted an in-depth study to develop a new tunneling technique, aimed at improving efficiency and safety of the work. The new tunneling method uses a standard earth and mud pressure shield to maintain face stability and ensure good excavating capability. The technique developed will significantly improve the efficiency and safety of the work. This paper outlines the construction and design of the linings selected for this tunneling practice.

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