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List of products by author: F. Ehara
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Chloride attack countermeasure construction of subway caisson tunnel under the river
Abstract: Tokyo Metro Co., Ltd. operates 9 lines, 195.1km of total length, in Tokyo. 7.24 million passenger use our lines every day in last year. It is the traffic artery in the capital city of Japan. About 85% of the total length, 166.7km, is composed of tunnel. In these tunnel, there is a place which is particularly caused deterioration due to chloride attack under tidal rivers. In order to examine...
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Flood measure of the Underground station of Tokyo Metro
Abstract: Tokyo Metro Co., Ltd. (hereinafter, Tokyo Metro) comprises 9 routes in capital area of Japan operating over 195.1 km and 179 stations, and is used by 7.24 million passengers per day. Tokyo Metro operates on the belief that security equals safety plus service. In regard to safety, special effort is devoted toward countermeasures for natural disasters. In light of recent extreme weather events,...
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Flood measure of the Underground station of Tokyo Metro
Abstract: Tokyo Metro Co., Ltd. (hereinafter, Tokyo Metro) comprises 9 routes in capital area of Japan operating over 195.1 km and 179 stations, and is used by 7.24 million passengers per day. Tokyo Metro operates on the belief that security equals safety plus service. In regard to safety, special effort is devoted toward countermeasures for natural disasters. In light of recent extreme weather events,...
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