各種基礎

[VI-562] New approach of BCH (Bottom Circulation Hole) Piling method
- model tests for evaluation of drilling efficiency -

*Taisuke Sanagawa¹, Masayuki Koda¹, Tadashi Yoshikawa², Kenji Hashidate², Shinichi Tajima³, Yusuke Ide³, Jyunichi Sekiya⁴, Kazuhiko Komatsu⁴ (1. Railway Technical Research Institute, 2. Advanced Construction Technology Center, 3. KAJIMA CORPORATION, 4. CEMICAL GROUTING CO.)

Keywords:Bored pile, Reverse circulation drilling method, Model test, Drilling efficiency