Title:
DREDGING METHOD
Document Type and Number:
Japanese Patent JP2014031646
Kind Code:
A
Abstract:
To execute dredging works to land only soil beneath a sludge layer using a grab bucket without landing sludge.
First, sludge 11 and 12 of a superficial sludge layer 10 in a dredging area are dredged using a grab bucket. Then, soil 21 and 22 of the ground 20 beneath the sludge layer 10 are dredged using the grab bucket in a manner that constructs replacement pits 41 and 42 as storage to put the dredged sludge 11 and 12 therein. Last, the dredged sludge 11 and 12 are dumped into the replacement pits 41 and 42 using the grab bucket.
Inventors:
NAKAMURA HIROYUKI
Application Number:
JP2012172690A
Publication Date:
February 20, 2014
Filing Date:
August 03, 2012
Export Citation:
Assignee:
NISHIMURAGUMI KK
International Classes:
E02F3/413; E02F3/47; E02F7/00
Domestic Patent References:
| JP2002275932A | 2002-09-25 | |||
| JP2007209918A | 2007-08-23 | |||
| JP2010159545A | 2010-07-22 | |||
| JP2002275932A | 2002-09-25 |
Attorney, Agent or Firm:
Takashiro Kojima
Noriko Kawai
Toshihiro Minami
Noriko Kawai
Toshihiro Minami
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