山岳トンネル(5)

[VI-428] Development of Bag to use in Filling of Gap of Rock Mass and Steel Support

〇takeshi asano¹, Hajime Hamada², Takahiro Kuroki³, Shigeki Yamaguchi⁴, Toshio Sato⁵ (1.Okumura Corporation, 2.Okumura Corporation, 3.Okumura Corporation, 4.DAIKA Industries Co., Ltd., 5.MBC Co., Ltd.)

Keywords:Mountain Tunnel, Steel Support, Rock Mass, Preloading, Bag, Filling