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List of products by author: Y. Arai
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The creation of a large-scale underground concourse connecting a sky scraper complex and subway station ;...
Abstract: In the Tokyo Metro Hibiya Station, 4 subway lines converge at the crossroads of Tokyo's Ginza and Hibiya commercial districts, resulting in continuous congestion in the station from passengers making transfers and above ground with business people and tourists. As a part of a larger urban development plan, a new large-scale underground concourse has been planned to connect the subway station...
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The Project Which Uses an Innovative Construction Method to Expand an Operating Subway Tunnel Built by the Caisson...
Abstract: This project involves renovating Minami-sunamachi station on the Tokyo Metro Tozai Line, by converting a single island platform with two tracks into two island platforms with three tracks to eliminate train delays and alleviate congestion during rush hours. Moreover, station facilities, escalator and elevator devices are also relocated to improve passenger flow. This Station was constructed by...
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