シールドトンネル (7)

[VI-629] Application of Composite Segment to Supplemental trunk sewer

*Naoki Tsukamoto¹, Fumihiko Sugai¹, Yuya Okamoto², Tadashi Abe³ (1. Taisei・Muramoto・Nakabayashi Joint Venture, 2. Osakafu Toburyuiki Gesuido Jimusyo, 3. IHI Corporation)

Keywords:Shield method, Composite Segment, Supplemental trunk sewer, flood control measures, Internal water pressure, Lv2 seismic motion