Title:
A blast-furnace-slag content cement slurry constituent and a preparing method of soil cement slurry using this
Document Type and Number:
Japanese Patent JP6132527
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a blast-furnace slag-containing cement slurry composition capable of simultaneously and sufficiently attaining the following 1)-3): 1) the occurrence of carbon dioxide is suppressed by using a blast-furnace slug fine powder in a ratio higher than that of a currently used powder (blast-furnace cement type B), 2) the generation amount of construction sludge to be discarded is restricted by securing the insertability of a stress bearing material (H steel) in a predetermined working time and at the same time, reducing the injection ratio of cement milk into the ground, by imparting sufficient flowability and fluidity retention property to a soil cement slurry, obtained by mixing the cement milk and soil, concretely, imparting the flowability and fluidity retention property to the slurry so that the flow value becomes 200 mm or more, and 3) sufficient water-cutoff performance, strength and the like are developed in a soil cement wall by facilitating uniform mixing between the cement milk and the soil, and to provide a method for preparing a soil cement slurry using the composition.SOLUTION: The method for preparing a soil cement slurry uses the blast-furnace slag-containing cement slurry composition which is prepared so that the mass ratio of water/binder is 100-250% by using, as the binder, a blast-furnace slag composition containing three components of a specific blast-furnace slag fine powder, portland cement, and gypsum in a specific ratio, and using a fluidizing agent in a ratio of 0.1-5 pts.mass per 100 pts.mass of the blast-furnace slag composition, wherein the fluidizing agent contains, as at least a portion of additives, specific two components in a specific ratio.
Inventors:
Takaho Kono
Toshio Yonezawa
Masaji Aoki
Masahiro Ueda
Kouki Kouaki
Mitsuo Kinoshita
Kazuhide Saito
Shinji Tamaki
Toshio Yonezawa
Masaji Aoki
Masahiro Ueda
Kouki Kouaki
Mitsuo Kinoshita
Kazuhide Saito
Shinji Tamaki
Application Number:
JP2012264186A
Publication Date:
May 24, 2017
Filing Date:
December 03, 2012
Export Citation:
Assignee:
TAKENAKA CORPORATION
Takemoto Yushi Co., Ltd.
Takemoto Yushi Co., Ltd.
International Classes:
C04B28/08; C04B14/10; C04B18/14; C04B22/14; C04B24/06; C04B24/10; C04B24/26; C04B28/04; C09K17/20; C09K17/42; C09K17/44; E02D3/12
Domestic Patent References:
| JP2012036044A | ||||
| JP2011026167A | ||||
| JP10007446A | ||||
| JP2006298726A | ||||
| JP2011121793A | ||||
| JP2009035453A | ||||
| JP2010285289A | ||||
| JP2010285292A | ||||
| JP2012051737A | ||||
| JP2013203635A | ||||
| JP2013001603A |
Foreign References:
| WO2010143629A1 | ||||
| WO2010143630A1 | ||||
| US4328039 |
Attorney, Agent or Firm:
Hiromasa Iriyama