The gas pipeline called “Mie-Shiga Pipeline” (60km total length, 610mm diameter, 7MPa maximum pressure, grade L450 (X65)) is under joint construction between Chubu Electric Power Co., Inc. and Osaka Gas Co., Ltd. This pipeline is planned to start supplying gas in 2014. Since the main part of our construction area is in a mountainous area called Suzuka Mountains, the mountain tunneling method is adopted in part of the mountainous area (about 7.5km in length) for gas pipeline installation to shorten the construction period. This paper discusses the design concept and the highly efficient technique for installing pipeline inside a long length and small cross-section mountain tunnel, as well as the application of an internal watertight wall, which is a task specific to the mountain tunnel.
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2012 9th International Pipeline Conference
September 24–28, 2012
Calgary, Alberta, Canada
Conference Sponsors:
- International Petroleum Technology Institute
- Pipeline Division
ISBN:
978-0-7918-4512-7
PROCEEDINGS PAPER
High Pressure Gas Pipeline Installation Inside a Long Length and Small Cross-Section Mountain Tunnel Available to Purchase
Yuya Sumikura
Yuya Sumikura
Osaka Gas Co. Ltd., Osaka, Japan
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Yuya Sumikura
Osaka Gas Co. Ltd., Osaka, Japan
Paper No:
IPC2012-90196, pp. 107-113; 7 pages
Published Online:
July 25, 2013
Citation
Sumikura, Y. "High Pressure Gas Pipeline Installation Inside a Long Length and Small Cross-Section Mountain Tunnel." Proceedings of the 2012 9th International Pipeline Conference. Volume 1: Upstream Pipelines; Project Management; Design and Construction; Environment; Facilities Integrity Management; Operations and Maintenance; Pipeline Automation and Measurement. Calgary, Alberta, Canada. September 24–28, 2012. pp. 107-113. ASME. https://doi.org/10.1115/IPC2012-90196
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