1994 年 4 巻 p. 383-388
Takagawa Tunnel is is port of Yamanasi Maglev Test Line. The length of this tunnel is approximately 3, 960m.
KOFU side of this tunnel has characteristics that tunnel over-burden is approximately 5m to 20m and ground conditions consist of loose soil.
This document is being described regarding KOFU side of This Tunnel, where this is the smollest tunnel over-burden of This Tunnel and this location was curried out Protection Work for the Building By Vertical Anchor Method.