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Patent Searching and Data


Title:
REGENERATED GRANULAR MATERIAL AND METHOD FOR MANUFACTURING THE SAME
Document Type and Number:
Japanese Patent JP2010208904
Kind Code:
A
Abstract:

To improve handleability of a fine powder during storage, transport and application, to suppress elution of hexavalent chromium for the sake of soil environment conservation, and to save resource and cost by recycling a dehydrated cake of ready-mixed concrete sludge that is produced as industrial waste.

A concrete fine powder, which is produced through grinding of concrete waste, the dehydrated cake, which is separated and produced from the ready-mixed concrete sludge, and water are mixed and stirred before they are either directly solidified or subjected to granulation and particle size regulation so as to produce a solidified granular material with a prescribed particle size.


Inventors:
Kuroda, Yasuhiro
Uchiyama, Shin
Application Number:
JP2009000058047
Publication Date:
September 24, 2010
Filing Date:
March 11, 2009
Export Citation:
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Assignee:
SHIMIZU CORP
International Classes:
C04B18/16; B09B3/00; C04B14/02; E02F7/00; E04G23/08
Domestic Patent References:
JP2006315890A2006-11-24
JPH10167778A1998-06-23
JP2003176162A2003-06-24
Attorney, Agent or Firm:
砂場 哲郎
森川 泰司