Title:
土壌改質方法
Document Type and Number:
Japanese Patent JP7073088
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a soil granulating additive capable of improving a strength of soil (such as cone index), making it difficult for the soil after solidification to become lumpy, making it easy to select unnecessary waste such as vegetation or rocks from the soil by using a filter, further, making the pH of the soil near, for example, such as rendering to the range of 5.8 to 8.6 that is an effluent standard.SOLUTION: A soil granulating additive includes: 100 parts by mass of inorganic powder; and 0.01 to 50 parts by mass of a thickening material. The inorganic powder has preferably a Blaine specific surface area of 1500 g/cmor larger and is one kind selected from calcium carbonate powder, gypsum hemihydrate, anhydrous gypsum, bentonite, zeolite, silica powder, coal ash, shale powder, sepiolite, activated carbon, activated clay, diatom earth, and dolomite.SELECTED DRAWING: None
Inventors:
Yusuke Matsuyama
Yoshihiko Mori
Akinori Sugiyama
Yasuhide Higo
Yoshihiko Mori
Akinori Sugiyama
Yasuhide Higo
Application Number:
JP2017242839A
Publication Date:
May 23, 2022
Filing Date:
December 19, 2017
Export Citation:
Assignee:
Taiheiyo Cement Co., Ltd.
International Classes:
C09K17/40; E02D3/12; E02F7/00
Domestic Patent References:
| JP2016014097A | ||||
| JP2004244625A | ||||
| JP2015183043A | ||||
| JP9157647A | ||||
| JP2001329563A | ||||
| JP2001329564A | ||||
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Attorney, Agent or Firm:
Hokuta Naoyuki
Akihiko Kitamura
Toshiya Murachi
Akihiko Kitamura
Toshiya Murachi