ケーブルボルトの原位置への適用試験

抄録

Unlike traditional bolts, cable bolt's length is not limited by the dimensions of the tunnel.Therefore cable bolting has been applied widely in mining works.In order to use it for construction works, we carried out pull out tests to verify its reliability at OBAYASHI Kamioka Underground Research Laboratory.On the tests we changed the following parameters.(1) material of the bolts, (2) length of the bolt, (3) bond material. As results, almost all cable bolts had good bond properties.