Japan Society of Civil Engineers

Group I

Economical and Applicable New Construction Method for Shallow Tunnels in Loose Sandy Ground on High Groundwater Level . Shallow Tunnels on the Tohoku Shinkansen Hachinohe ‐ Shichinohe Section .
（PDF/610KB）

Construction of Seawall for Safety and Comfort Considering Marine Environment and Landscape . Seawalls for Storm Surge Prevention in the Yokosuka Mabori Coast .
（PDF/614KB）

Construction of Long and Large Cross Section Road Tunnel in Weak Zones . Kanaya Tunnel on the New Tomei Expressway .
（PDF/627KB）

An Effective Construction Method of Extending an Existing Railway Bridge in a Heavy Traffic Line
（PDF/611KB）

Project Management of a Time.Critical Construction . Chuo Line, a 23.1km Underground Gas Pipe Line Running through the Downtown Tokyo .
（PDF/637KB）

Group II

Kansai International Airport Second Phase Land Development Project . Rapid, Large-Scale Construction of a Man-Made Island Making Full Use of Advanced Information Technologies on Very Soft Seabed in Very Deep Water .
（PDF/577KB）

Chubetsu Dam. One of the Biggest Combined Dams in Japan Constructed on Gravel Bed .
（PDF/619KB）

Construction of the New Meishin Expressway between the Kameyama JCT . Kusatsu-Tanakami IC
（PDF/594KB）

Construction of a New Airport Rail Link that Strengthens the Function of a Local Major Airport and Regional Development
（PDF/663KB）

Construction of Sand-Bypass Tunnel, the First Attempt in Japanese Multipurpose Dams. Miwa Dam Redevelopment Project .
（PDF/632KB）

Rehabilitation of an Old Concrete Gravity Dam. Taishakugawa Dam Rehabilitation Project.
（PDF/555KB）

Construction of a Ring Road as an Epochmaking Underground Urban Expressway. Tokyo Metropolitan Expressway Central Circular Route between Shinjuku and Ikebukuro.
（PDF/613KB）

Group I

Fused in NATM and shield tunneling method and developed a new tunneling method 'SENS' -Tohokusinkansen Sambongihara Tunnel-
（PDF/557KB）

Construction of 18km Shield Tunnel under Tokyo Bay -The world's longest class tunneling of 9km, High-speed construction at over 600m/month, and Direct docking tunnel method at 60m below sea level were achieved. -
（PDF/567KB）

Construction of Offshore and Underwater Outlets and Discharge Tunnels by Submerged Steel-Pipe-Pile Well Method - Cooling Water Discharge Facility Construction Project as Part of Lungmen Nuclear Power Station No.4 in Taiwan-
（PDF/556KB）

Design and Construction Technologies for the Road Tunnel Hit by a Large-Scale Landslide - Akaiwa Tunnel on the Yubari-Shintoku Line
（PDF/579KB）

The Construction Methods of Widening a Underpass Road of Railway Without Traffic Restrictions
（PDF/523KB）

Group II

Wada-Yayoi Trunk Sewer Constructed 50m Under The Densely Populated Area in Tokyo by Using Stormwater Storage System and Newly Developed Technologies
（PDF/565KB）

Restoration of the Shinanogawa Hydroelectric Power Plant Damaged by the 2004 Niigata-Chuetsu Earthquake -Phased restoration minimizing impact on water usage systems, methods of investigation, restoration works of damaged reservoirs and lessons learned fro
（PDF/545KB）

Construction of A Breakwater Built at The Deepest Water Site in The World
（PDF/523KB）

Group I

Large-Scale Renovation of an Underground Station for Drastic Improvements of Convenience and Safety　- Renovation Works of Kasuganomichi Station on the Hanshin Railway Line
（PDF/464KB）

Construction of the Largest Road Tunnel in Japan through Unconsolidated Ground - Minoh Tunnel on Minoh Toll Road
（PDF/542KB）

"The First Construction of a Long Inclined Penstock Tunnel Using a Full-Face Tunnel Boring Machine (TBM) and High Tensile Strength Steel HT-100 in Japan　 - The World's Largest Pumped Storage Power Plant, Kannawaga PSPP"
（PDF/603KB）

Construction of the World's Longest Land Tunnel - Tohoku Shinkansen Hakkoda Tunnel
（PDF/550KB）

Design and Construction Technologies for the First Full-Face TBM Railway Tunnel in Japan - New Agatsuma-Line Yamba Tunnel Project
（PDF/587KB）

Group II

New Railwai Line Coordinated with Urban Development for the 21st Century- Construction of the TSUKUBA EXPRESS Line through IT Zones
（PDF/619KB）

Rapid Reconstruction of the Expressways Damaged by the Mid-Niigata Prefecture Earthquake in 2004
（PDF/433KB）

New Kita Kyushu Airport Development Project that Works Out the Best Cost Reduction by a Joint Enterprise
（PDF/414KB）

Construction of Tomata Dam - A Dam Construction with Advanced Technologies enabling Reductions in Costs and Environmental Impacts
（PDF/451KB）

Using Advanced Technologies - Restoration of the Railroad Infrastructure Damaged by the Mid-Niigata Prefecture Earthquake in 2004
（PDF/449KB）