Title:
STEEL SHEET PILE CONTINUOUS PILING METHOD TO HARD ROCK STRATUM AND TOOL USED FOR THE METHOD
Document Type and Number:
Japanese Patent JP3862270
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To construct a breasting continuous wall by continuously driving steel sheet pilings by applying continuous lap drilling to hard rock stratum.
SOLUTION: The first drilled hole C1 in a first continuous row and a drilled hole C1 at the corner portion form independent drilled holes C1 by a commonly used down-the-hole hammer drilling machine; the continuous drilled hole C2 for the drilled hole C1 forms a continuous lapped drilled hole C2 row having a drill-holed lap Cw at the existing drilled hole C1 while linking and guiding a section guide 5 to a section PE of a driven steel sheet pile P by using the down-the-hole hammer 3 equipped with a section guide 5 by using the down-the-hole hammer 3 equipped with the section guide 5 at the tip portion; and the steel sheet piles P are driven to the continuously lapped, drilled holes C1 and C2 rows.
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Inventors:
Fumio Hoshi
Hoshi Tadao
Yoshiyuki Hoshi
Hiroyuki Hoshi
Rikio Hoshi
Hoshi Tadao
Yoshiyuki Hoshi
Hiroyuki Hoshi
Rikio Hoshi
Application Number:
JP2004122957A
Publication Date:
December 27, 2006
Filing Date:
April 19, 2004
Export Citation:
Assignee:
Fumio Hoshi
Hoshi Tadao
Hoshi Tadao
International Classes:
E02D7/00; E21B3/02; E02D7/18; E21B7/00; (IPC1-7): E02D7/00; E02D7/18; E21B3/02; E21B7/00
Domestic Patent References:
| JP50102114A | ||||
| JP10008869A | ||||
| JP64043614A | ||||
| JP3224911A | ||||
| JP61250229A |
Attorney, Agent or Firm:
Toshio Toda