List of products by author: S. Ishizaka

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  Development of New Composite Segment and Use in the Field

  Abstract: The Keio Corporation buried its at-grade train lines to alleviate traffic around Chofu Station. Underground shield tunnels were constructed for a total of four tracks (two on the main Keio Line, two on the Sagamihara Line) as part of a series of projects. The four shield tunnels comprise mainly primary-lined reinforced concrete segments (hereafter “RC segments”) built atop or beside one another...

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