各種基礎(2)

11:10 AM - 11:20 AM JST(2:10 AM - 2:20 AM UTC)

[VI-643] New approach for improvement of BCH (Bottom CirculationHole) construction method~Field application example of improved drilling bits~

*Takumi Abe¹, Muneyuki Ogawa¹, Yoshinori Hattori², Takuya Higashida³, Tajima Shinichi³, Ide yusuke³ (1. Chemical Grouting Co.,Ltd, 2. Keikyu Corporation, 3. KAJIMA CORPORATION)

Keywords:

Bored pile,Reverse Circulation Construction Method,Field application example,Drilling efficiency