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Title:
SOIL AGGREGATE FOR IMPROVING BOTTOM SEDIMENT, BOTTOM SEDIMENT IMPROVEMENT METHOD AND WATER BOTTOM GROUND
Document Type and Number:
Japanese Patent JP2005281439
Kind Code:
A
Abstract:

To provide a soil aggregate which is suitable for improving bottom sediment of various water areas including seaweed bed.

An improver system 3 containing a double-shaft stirring blade 5 is held at the tip of a ladder 2 extending from a workboat 1. The improver system 3 is sunk to water bottom, and an aqueous solution containing an aggregating agent and an adsorption carrier carrying a hydroxy metal ion is supplied to the improver system 3 from a first mixer 11 mounted on the workboat 1 and mixed with bottom mud S of the bottom sediment to promote aggregation of the bottom mud S. After the aggregation has moderately progressed, an aqueous solution containing a solidifier is supplied to the improver system 3 from a second mixer 12 mounted on the workboat 1 to promote further aggregation and solidification and replace the bottom sediment with the water-resistant soil aggregate.


Inventors:
INADA TSUTOMU
KOZAI YASUHIRO
HENMI AKIO
KUBO SHIGERU
NAKAJIMA MICHIO
WAKABAYASHI TOSHIAKI
SHIBATA HIRONORI
Application Number:
JP2004095992A
Publication Date:
October 13, 2005
Filing Date:
March 29, 2004
Export Citation:
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Assignee:
TOYO CONSTRUCTION
HENMI AKIO
International Classes:
A01G33/00; C09K17/02; C09K17/06; C09K17/08; C09K17/20; C09K17/22; C09K17/32; C09K17/40; C09K17/50; E02D3/12; E02F7/00; C09K101/00; (IPC1-7): C09K17/40; A01G33/00; C09K17/02; C09K17/06; C09K17/08; C09K17/20; C09K17/22; C09K17/32; C09K17/50; E02D3/12; E02F7/00
Domestic Patent References:
JPH11256154A1999-09-21
JPH101670A1998-01-06
JP2003304739A2003-10-28
JP2001081464A2001-03-27
JP2004017023A2004-01-22
JP2000254699A2000-09-19
JP2002167258A2002-06-11
JPH0889126A1996-04-09
JP2000212564A2000-08-02
JPS49114245A1974-10-31
JPS63107611A1988-05-12
JP2001045896A2001-02-20
JP2003251397A2003-09-09
Attorney, Agent or Firm:
Calyx
Miyazaki Yoshio
Kaoru Onozuka
High Masahiro
Toshio Nakamura
Tsutomu Kato
Yusuke Murakoshi
Tomoaki Komiya