Tunnelling Activities in Japan 2024

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2024

Tunnelling Activities in Japan 2024 Download full text

 

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Contents

　１．Construction of a Subway within a Short Period by Overcoming Underground Obstacles
　　　in Soft Reclaimed Land ― Infrastructure Maintenance Work of the Hokko Techno-Port Line ―

　２．Results of Tunnel Construction in Swelling Grounds
　　　― Hokkaido Shinkansen, Tateiwa Tunnel (Tateiwa), etc. ―

　３．Construction of a Mountain Tunnel which Intersects with a Highway,
　　　with the Minimum Overburden of Approx 7.4 m ― Hokkaido Shinkansen, Kunnui Tunnel ―

　４．Train Car Yard Plan for Minatomirai Directly under Harbor View Park

　５．Maintenance of the Railway Tunnel Built on Serpentinite

　６．Diverse Tunnelling in Urban Areas
　　　― Fukuoka City, Nanakuma Subway Line Extension Project (Tenjin Minami to Hakata) ―

　７．Selection of Displacement Control Measures using Three-dimensional Numerical Analysis in
　　　Tunnel Construction Right under the Monorail

　８．Planning a Direct Access Line from Central Tokyo to Haneda Airport

　９．Tokaido Shinkansen with over 50 Years of Operation
　　　― Major Renovation of the Tunnels ―

１０．Results and Evaluation of Measurements at the Seikan Tunnel after 35 Years of Operation

１１．Restoration after the Kumamoto Earthquake
　　　― Tateno Tunnel of JR Hohi Main Line ―

１２．Construction of Single-line Parallel Slurry Shield Tunnel Passing Directly under Private
　　　Constructions ― Kita Osaka Kyuko Line Extension Project ―

１３．Double Support Structure Overcomes Load of 610m Earth Pressure
　　　Aokuzure Pass Tunnel - Nagano Construction Site

１４．Excavation of World's Largest Urban Mountain Tunnel

１５．Mountain Tunnel Construction in Fragile Ground in Volcanic Regions
　　　― National Highway 57th Takimurozaka Road, East Takimurozaka Tunnel Construction (Phase I)

１６．Tunnel Widening Construction Considering the Safety of Users and the Living Environment of
　　　Nearby Residents

１７．First Ever Tunnel Invert Reinforcement on a Highway Using Timbering Support Method

１８．Breakthrough with Using of Various Countermeasure Works in Landslide Topography
　　　and Cliff Cone Deposit Sections

１９．Remote-Controlled Face Assessment by Digital Transformation
　　　― Kanmuriyama Pass Road's 2nd Tunnel in Phase II ―

２０．Tunnel Construction through Ground with Landslide Potential Adjacent to the Median
　　　Tectonic Line with Various Countermeasures from Inside and Outside the Tunnel
　　　―Matsuyama Expressway Myojinsan Tunnel Phase II ―

２１．Rational Construction Work on the Fissured Ground by Utilizing ICT Technology
　　　― Shin-Tomei Expressway Takatoriyama Tunnel West Construction Work ―

２２．Tunneling in the Fragile Ground with Low Competence Factor Affected by Faults
　　　― Nakaoyama Tunnel ―

２３．Addressing Hard Rock Grounds using a Combination of an Ultra-large Free-section Excavator and
　　　Controlled Blasting

２４．Tunneling Work on a Steep Slope Directly Below a Prefectural Road by Utilizing BIM
　　　― Shin-Tomei Expressway Kayanuma Tunnel Construction Work ―

２５．Started Large-section Shield Tunneling with Small Earth Covering of 1.1m
　　　― Yokohama South Ring Expressway (Ken-O-Dou) Kuden-Kasama Tunnel ―

２６．Construction of Bypass Contributing to Environmental Protection of the Oirase Stream
　　　― Environmentally Friendly Tunnel Construction in National Parks ―

２７．Overview of the Nihonbashi Underground Tunnel Project of the Metropolitan Expressway

２８．Improved Safety and Productivity in Tunnel Construction Work through Utilization of a Rock Bolt
　　　Driving Machine
　　　― Construction Work for the Kiyo No.3 Tunnel of Chugoku Regional Development Bureau ―

２９．Design and Construction Status of Raw Water Transmission Facilities in the Omoi River
　　　Development Project
　　　― Kurokawa Canal Tunnel, Oashi River Canal Tunnel, Water Conveyance Channel Tunnel ―

３０．Implementation of Long Slurry Shield Method in Complex Soil and Vicinity of Important
　　　Constructions such as Shinkansen
　　　― Osaka City Construction Bureau Osumi to 18-jo Sewage Waterway ―

３１．Long Tunnel Constructed by Excavating Extra-small Cross-section by NATM Method with Rail
　　　System the NATM Rail Method ― Seinaiji Hydroelectric Power Station Headrace Tunnel ―

３２．Construction of Long-distance Headrace by an Open-Type TBM with Maximum Monthly
　　　Advance of 678 m ― Mitsubishi Materials Komatagawa New Power Plant ―

Innovations in Technology

３３．Development and Implementation of Automated Construction Techniques Around the Tunnel Face

３４．Slide Loader™️: Special Bucket for Safety and Productivity in Muck Loading
　　　―Improved Operability for Remote and Automated Control―

３５．Haka-router®: A Wireless Strain Measurement System of Steel Supports

３６．Remote Operation Using Double-boom Rock Bolt Machine

３７．"Hammer Strut ®" A New Efficient Earth Retaining Structure
　　　― A simplified Angle Brace of Earth-Retaining Structure Reduces Cost ―

３８．Inventory Management System“ Fair-Stock®”

３９．The Self-compacting Concrete Tunnel Lining System

４０．Automatic B-measuring System T- RIPPA BK Improved Safety and
　　　Productivity through LPWA Radio

４１．Roller Cutter Replacement System for Shield Machine “ THESEUS Method ®”
　　　― Replace Roller Cutters Safely and Quickly by Robot Remote Operation ―

４２．T-Shot Marker Face ~Real-time Measurement of Shotcrete Thickness~

４３．Groundwater Forecasting® system for on-time groundwater environment prediction

４４．Development of the Automatic Optimal Blasting Design and Construction System

４５．AI-aided Automatic Shield Machine Driving System

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