山岳トンネル(5)

[VI-430] Tunnel construction under crossing Hokuriku Expressway

〇Hitoshi SUZUKI¹, Takayuki YOSHINO¹, Hiromitsu MANIWA¹, Satoru YASUDA¹ (1.SATO KOGYO)

Keywords:Tunnel, Close construction, Ground surface settlement measures, Measuring tower, Non-prism automatic road surface measurement

This report reports on the construction plan and results of tunnel excavation, ground surface settlement measures, and road surface measurement for a Shinkansen tunnel that passes directly beneath the Hokuriku Expressway at a depth of 17.5 m.