施工技術(2)（上記以外）

5:10 PM - 5:20 PM JST(8:10 AM - 8:20 AM UTC)

[VI-594] Application of continuous rock drilling method using guide plate and half-moon steel pipe

*Tomohiko Sako¹, Hiroshi Fujii¹, Toshiyuki Makino¹, Hisanori Taneda¹, Mitsugu Hirano¹, Osamu Yoshimoto² (1. KAJIMA Constraction, 2. Kochi Marutaka Corporaion)

Keywords:

rock drilling,down-the-hole hammer,guide plate,half-moon steel pipe