各種基礎

[VI-561] A new approach to improve the excavation method of the low-headed type cast-in-place pile method 'BCH Method: Bottom Circulation Hole Method' -improvement of excavation method and verification of the effects by fluid analysis-

*Tadashi Yoshikawa¹, Kenji Hashidate¹, Masayuki Koda², Taisuke Sanagawa², Shinichi Tajima³, Yusuke Ide³, Junichi Sekiya⁴, Kazuhiko Komatsu⁴ (1. Advanced Construction Technology Center, 2. Railway Technical Research Institute, 3. KAJIMA CORPORATION, 4. CHEMICAL GROUTING )

Keywords:Reverse circulation method, cast-in-place pile method, Fluid analysis, Earthquake-resistant reinforcement, Low-headed, Proximity construction