Title:
TREATMENT METHOD OF FLY ASH, FLY ASH CEMENT USING MODIFIED FLY ASH AND CONCRETE COMPOSITION USING THE FLY ASH CEMENT
Document Type and Number:
Japanese Patent JP2008297148
Kind Code:
A
Abstract:
To provide a novel treatment method of a fly ash for producing a chemically modified fly ash which enables favorable expression of compressive strength by a concrete composition when used as a replacement material for Portland cement.
The fly ash (combustion ash of micronized coal), which is mainly collected by a dust collector etc. in a thermal power plant and is used as a partial replacement material for Portland cement, is contacted with a treatment liquid erosive to the fly ash to carry out a chemical modification treatment on the surface of the fly ash.
Inventors:
YUASA YUKIHISA
MURAKAMI KAZUMI
MAEKAWA AKIHIRO
INUKAI TOSHITSUGU
HATANAKA SHIGEMITSU
MISHIMA TADAO
MURAKAMI KAZUMI
MAEKAWA AKIHIRO
INUKAI TOSHITSUGU
HATANAKA SHIGEMITSU
MISHIMA TADAO
Application Number:
JP2007143984A
Publication Date:
December 11, 2008
Filing Date:
May 30, 2007
Export Citation:
Assignee:
MIE PREFECTURE
TOKAI CONCRETE IND CO LTD
TOKAI CONCRETE IND CO LTD
International Classes:
C04B7/26; B09B3/00; C04B22/06; C04B22/14; C04B28/02
Attorney, Agent or Firm:
Yoshitaka Kasai
Nakane Mie
Nakane Mie