Title:
GROUND IMPROVING MATERIAL, CEMENT MILK AND GROUND IMPROVING METHOD
Document Type and Number:
Japanese Patent JP2020147681
Kind Code:
A
Abstract:
To provide a ground improving material, cement milk and a ground improving method, that enables a stable high strength developability.SOLUTION: A ground improving material, which is a ground improving material comprising a ground improving admixture and a cement, and in which the ground improving admixture contains (A) an alkali metal carbonate, and (B) at least one or more selected from a naphthalene sulfonate-based high-performance water reducing agent, and polyacrylic acids, and the amount of chlorine contained in the ground improving material is 40 ppm or more and 200 ppm or less for the entire ground improving material, is provided.SELECTED DRAWING: None
Inventors:
SASAKI TAKASHI
YANAGISAWA AYUMI
YANAGISAWA AYUMI
Application Number:
JP2019046348A
Publication Date:
September 17, 2020
Filing Date:
March 13, 2019
Export Citation:
Assignee:
DENKA CO LTD
International Classes:
C09K17/44; E02D3/12
Domestic Patent References:
| JP2018012622A | 2018-01-25 | |||
| JP2007112714A | 2007-05-10 | |||
| JP2006143976A | 2006-06-08 |
Other References:
河野俊夫: "やさしいコンクリートの知識（その７）水", コンクリート工学, vol. １６巻，１０号, JPN6022038676, 1978, JP, pages 73 - 78, ISSN: 0004872457
Attorney, Agent or Firm:
Shinji Hayami