Title:
地盤の改良工法
Document Type and Number:
Japanese Patent JP7326384
Kind Code:
B2
Abstract:
To provide a ground improvement method capable of improving compression strength of soil cement even when using acid soil containing an organic material such as humic acid, fulvic acid, humin, and bitumen.SOLUTION: A ground improvement method includes the following steps 1 to 3. In the step 1, a slurry is prepared by mixing water, hydraulic powder, and (A) colloidal silica with 0 mV or more and +50 mV or less of surface electric potential (hereinafter referred to as (A) component). In the step 2, the slurry obtained in the step 1 is injected into a ground and a mixture is obtained by mixing the slurry with soil. In the step 3, the mixture of the slurry and soil obtained in the step 2 is solidified.SELECTED DRAWING: None
More Like This:
| JPH02215881 | GROUT |
| JP2000220133 | FACILITY AND METHOD FOR INJECTING WATER GLASS-BASED GROUT |
| JP6695095 | Excavation stirrer |
Inventors:
Toshiyuki Shimada
Application Number:
JP2021103742A
Publication Date:
August 15, 2023
Filing Date:
June 23, 2021
Export Citation:
Assignee:
Kao Corporation
International Classes:
E02D3/12; C09K17/06; C09K17/10
Domestic Patent References:
| JP6108455A | ||||
| JP2004167342A | ||||
| JP59066483A | ||||
| JP5280032A | ||||
| JP2006241316A | ||||
| JP10102476A | ||||
| JP11172248A | ||||
| JP57164186A |
Foreign References:
| KR102141914B1 |
Attorney, Agent or Firm:
Satoshi Furuya
Yoshitsune Kazumasa
Yoshitsune Kazumasa