Title:
METHOD FOR PRODUCING HYDRAULIC HARDENED BODY
Document Type and Number:
WIPO Patent Application WO/2022/224427
Kind Code:
A1
Abstract:
Provided is a method for producing a hydraulic hardened body that emits little carbon dioxide during production, that has the function of fixing carbon dioxide, and that exhibits little difference in strength between the surface of concrete and the inside thereof. Provided is a method for producing a hydraulic hardened body in which a cement composition that contains water, mixed cement containing blast-furnace slag fine powder and cement, and calcium hydroxide is subjected to hardening and carbonation curing, wherein the content of the calcium hydroxide is 10-70 parts by mass inclusive per a total of 100 parts by mass of the blast-furnace slag fine powder, the cement, and the calcium hydroxide, and the content of the calcium hydroxide is 30-500 parts by mass inclusive per 100 parts by mass of the blast-furnace slag fine powder.
Inventors:
MUKAI TOSHINARI (JP)
SEKI KENGO (JP)
MIZUNO KEN (JP)
TORICHIGAI TAKESHI (JP)
WATANABE KENZO (JP)
SAKAI GORO (JP)
MORIYAMA YOSHINORI (JP)
SAKATA NOBORU (JP)
TAKAMURA HISASHI (JP)
SEKI KENGO (JP)
MIZUNO KEN (JP)
TORICHIGAI TAKESHI (JP)
WATANABE KENZO (JP)
SAKAI GORO (JP)
MORIYAMA YOSHINORI (JP)
SAKATA NOBORU (JP)
TAKAMURA HISASHI (JP)
Application Number:
PCT/JP2021/016422
Publication Date:
October 27, 2022
Filing Date:
April 23, 2021
Export Citation:
Assignee:
KAJIMA CORP (JP)
International Classes:
C04B18/14; C04B22/06; C04B28/02; C04B40/02
Foreign References:
| JP2006045048A | 2006-02-16 | |||
| JPH10194799A | 1998-07-28 | |||
| JP2012254905A | 2012-12-27 | |||
| JP2017007892A | 2017-01-12 |
Attorney, Agent or Firm:
SHOBAYASHI Masayuki et al. (JP)
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