Title:
PILE HEAD TREATMENT METHOD AND LIFTING TOOL
Document Type and Number:
Japanese Patent JP2015038278
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a pile head treatment method etc., that suppresses noise, vibration, dust, etc., and is high in operability.SOLUTION: Pressure is applied vertically by inserting a hydraulic crusher 20 into a lateral rock breaking hole 11 formed in a boundary surface 17 between reinforcement concrete 5 and structure concrete 7 so as to vertically part the reinforcement concrete 5 and structure concrete 7. Then pressure is applied inward and outward by inserting the hydraulic crusher 20 into a vertical rock breaking hole 13 formed in the reinforcement concrete 5 so as to part and remove cover concrete at a part outside a main reinforcement 9. Furthermore, the hydraulic crusher is inserted into a vertical rock breaking hole 15 formed in the reinforcement concrete 5 so as to part concrete inside the main reinforcement 9 into a concrete piece 21 as mentioned above. Then a lifting tool 23 is inserted into a lateral rock breaking hole 11 below the concrete piece 21 to lift the concrete piece 21, and an upper end part thereof is gripped and removed by a nibbler 31.
Inventors:
YANAGIDA KATSUMI
NAKAMURA TAKAHIRO
SUZUKI KOICHI
OKAMURA MINA
NAKAMURA TAKAHIRO
SUZUKI KOICHI
OKAMURA MINA
Application Number:
JP2013169422A
Publication Date:
February 26, 2015
Filing Date:
August 19, 2013
Export Citation:
Assignee:
KAJIMA CORP
International Classes:
E02D5/34
Domestic Patent References:
| JPH09235091A | 1997-09-09 | |||
| JPH0510386U | 1993-02-09 | |||
| JPH11241364A | 1999-09-07 | |||
| JPH01191100A | 1989-08-01 | |||
| JPH07138946A | 1995-05-30 | |||
| JPS5336911A | 1978-04-05 | |||
| JP2002038472A | 2002-02-06 | |||
| JP2004019096A | 2004-01-22 | |||
| JP2003120051A | 2003-04-23 | |||
| JPS59151964U | 1984-10-11 | |||
| JPH08105041A | 1996-04-23 |
Foreign References:
| US4571124A | 1986-02-18 |
Attorney, Agent or Firm:
Seiichi Inoue