Title:
CONSTRUCTION METHOD OF CAST-IN-PLACE PILE
Document Type and Number:
Japanese Patent JP3669577
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prevent a cut of base cloth of an injection bag and excessive dehydration, to recover injection pressure reduced by the outflow of grout, and to strengthen the ground.
SOLUTION: This method constructs a cast-in-place pile by preloading the ground on the tip of the pile by injecting and pressurizing the grout by installing the injection bag 6 on an immersion frame 3 fixed to the tip of a cage 2. The injection bag 6 is covered with a bag 5.
Inventors:
Tadayoshi Ishibashi
Masato Imai
Yutaka Sato
Fujisawa Hajime
Nobuyuki Matsuo
Masato Imai
Yutaka Sato
Fujisawa Hajime
Nobuyuki Matsuo
Application Number:
JP2001369855A
Publication Date:
July 06, 2005
Filing Date:
December 04, 2001
Export Citation:
Assignee:
East Japan Railway Company
International Classes:
E02D5/34; (IPC1-7): E02D5/34
Domestic Patent References:
| JP2001214438A | ||||
| JP3140522A |
Attorney, Agent or Firm:
Hirukawa Masanobu
Ryukichi Abe
Norihiko Uchida
Hideo Sugai
Kenji Aoki
Hiroshi Nagisawa
Akira Yonezawa
Ryukichi Abe
Norihiko Uchida
Hideo Sugai
Kenji Aoki
Hiroshi Nagisawa
Akira Yonezawa