A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
GROUND IMPROVING MATERIAL, AND GROUND IMPROVING METHOD USING THE SAME
To provide a ground improving material that is slurry containing cement-containing solidification material powder and water, free of separation of materials in the slurry, and excellent in fluidity.SOLUTION: A ground improving material is slurry containing cement-containing solidification material powder, a naphthalenesulfonic acid-based admixture, a setting retarder, and water, and preferably has a mass ratio of water/cement-containing solidification material powder of 0.32-0.47. The setting retarder is made of one or more kinds selected from the group consisting of a tartrate, a hexametaphosphate, and a citrate. Preferably, the amounts of the naphthalenesulfonic acid-based admixture and the setting retarder are 0.3-2.0 pts.mass and 0.01-1.0 pt.mass respectively to 100 pts.mass of the cement-containing solidification material powder.SELECTED DRAWING: None
【課題】セメント含有固化材粉末及び水を含むスラリーである地盤改良材であって、スラリー中における材料の分離が生じず、かつ、優れた流動性を有する地盤改良材を提供する。【解決手段】セメント含有固化材粉末、ナフタレンスルホン酸系混和剤、凝結遅延剤、及び、水を含むスラリーである地盤改良材であって、凝結遅延剤が、酒石酸塩、ヘキサメタリン酸塩、及び、クエン酸塩からなる群より選ばれる一種以上からなる、地盤改良材。水／セメント含有固化材粉末の質量比は、好ましくは、０．３２〜０．４７である。セメント含有固化材粉末１００質量部に対して、ナフタレンスルホン酸系混和剤の量が０．３〜２．０質量部でかつ凝結遅延剤の量が０．０１〜１．０質量部であることが、好ましい。【選択図】なし
GROUND IMPROVING MATERIAL, AND GROUND IMPROVING METHOD USING THE SAME
To provide a ground improving material that is slurry containing cement-containing solidification material powder and water, free of separation of materials in the slurry, and excellent in fluidity.SOLUTION: A ground improving material is slurry containing cement-containing solidification material powder, a naphthalenesulfonic acid-based admixture, a setting retarder, and water, and preferably has a mass ratio of water/cement-containing solidification material powder of 0.32-0.47. The setting retarder is made of one or more kinds selected from the group consisting of a tartrate, a hexametaphosphate, and a citrate. Preferably, the amounts of the naphthalenesulfonic acid-based admixture and the setting retarder are 0.3-2.0 pts.mass and 0.01-1.0 pt.mass respectively to 100 pts.mass of the cement-containing solidification material powder.SELECTED DRAWING: None
【課題】セメント含有固化材粉末及び水を含むスラリーである地盤改良材であって、スラリー中における材料の分離が生じず、かつ、優れた流動性を有する地盤改良材を提供する。【解決手段】セメント含有固化材粉末、ナフタレンスルホン酸系混和剤、凝結遅延剤、及び、水を含むスラリーである地盤改良材であって、凝結遅延剤が、酒石酸塩、ヘキサメタリン酸塩、及び、クエン酸塩からなる群より選ばれる一種以上からなる、地盤改良材。水／セメント含有固化材粉末の質量比は、好ましくは、０．３２〜０．４７である。セメント含有固化材粉末１００質量部に対して、ナフタレンスルホン酸系混和剤の量が０．３〜２．０質量部でかつ凝結遅延剤の量が０．０１〜１．０質量部であることが、好ましい。【選択図】なし
GROUND IMPROVING MATERIAL, AND GROUND IMPROVING METHOD USING THE SAME
地盤改良材及びそれを用いた地盤改良方法
KOSUDA KAZUKI (author) / NOZAKI TAKAHITO (author) / HIGO YASUHIDE (author)
2021-08-02
Patent
Electronic Resource
Japanese
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