| abstract |
The present invention provides a ground improvement method capable of suppressing thickening of soil cement even when soil having a high mineral content, such as marine clay, is used. A cement containing 5% by mass or more and 15% by mass or less of C 3 A in a soil, at least one polymer (A) selected from polyacrylic acid and a salt thereof, an organic acid having a molecular weight of 500 or less, A ground improvement method comprising mixing one or more acid compounds (B) selected from inorganic acids, one or more compounds (C) selected from metal carbonates and metal bicarbonates, and water. [Selection diagram] None |