A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
GROUND IMPROVING CEMENT-COMPOSITION ADDITIVE, GROUND IMPROVING CEMENT COMPOSITION, GROUND IMPROVING BODY, AND GROUND IMPROVING CONSTRUCTION METHOD
To provide a ground improving material exhibiting excellent fluidity as slurry.SOLUTION: There is provided a ground improving cement-composition additive comprising a structural unit (A) derived from a carboxylic acid monomer represented by formula (1); -(-CR1(R2)-CR3(COOX1)-, (in the formula (1), R1, R3 each represent H, a methyl group, or an ethyl group, R2 represents H or -COOX2, and X1, X2 each represent H, a monovalent metal, a divalent metal, an ammonium group, or an organic amine group), and a structural unit (B) derived from an unsaturated polyalkylene glycol monomer represented by formula (2), (in the formula (2), R4, R5, and R6 each represent H, a methyl group, or an ethyl group, R7 represents an alkylene group, R8 represents H or a hydrocarbon group, P represents a number of from 0 to 2, and m represents a number of from 25 to 100).SELECTED DRAWING: None
【課題】スラリーが流動性に優れる地盤改良材を提供する。【解決手段】式（１）；－（－ＣＲ１（Ｒ２）－ＣＲ３（ＣＯＯＸ１）－）－（式（１）中、Ｒ１、Ｒ３は、Ｈ、メチル基又はエチル基、Ｒ２は、Ｈ又は－ＣＯＯＸ２、Ｘ１、Ｘ２は、Ｈ、一価、二価金属、アンモニウム基又は有機アミン基。）カルボン酸系単量体由来の構造単位（Ａ）と、式（２）；TIFF2022090233000009.tif4193（式（２）中、Ｒ４、Ｒ５及びＲ６は、Ｈ、メチル基又はエチル基、Ｒ７は、アルキレン基、Ｒ８は、Ｈ又は炭化水素基、ｐは、０～２の数、ｍは、２５～１００の数。）で表される不飽和ポリアルキレングリコール系単量体由来の構造単位（Ｂ）とを有する共重合体を含む地盤改良セメント組成物用添加剤。【選択図】なし
GROUND IMPROVING CEMENT-COMPOSITION ADDITIVE, GROUND IMPROVING CEMENT COMPOSITION, GROUND IMPROVING BODY, AND GROUND IMPROVING CONSTRUCTION METHOD
To provide a ground improving material exhibiting excellent fluidity as slurry.SOLUTION: There is provided a ground improving cement-composition additive comprising a structural unit (A) derived from a carboxylic acid monomer represented by formula (1); -(-CR1(R2)-CR3(COOX1)-, (in the formula (1), R1, R3 each represent H, a methyl group, or an ethyl group, R2 represents H or -COOX2, and X1, X2 each represent H, a monovalent metal, a divalent metal, an ammonium group, or an organic amine group), and a structural unit (B) derived from an unsaturated polyalkylene glycol monomer represented by formula (2), (in the formula (2), R4, R5, and R6 each represent H, a methyl group, or an ethyl group, R7 represents an alkylene group, R8 represents H or a hydrocarbon group, P represents a number of from 0 to 2, and m represents a number of from 25 to 100).SELECTED DRAWING: None
【課題】スラリーが流動性に優れる地盤改良材を提供する。【解決手段】式（１）；－（－ＣＲ１（Ｒ２）－ＣＲ３（ＣＯＯＸ１）－）－（式（１）中、Ｒ１、Ｒ３は、Ｈ、メチル基又はエチル基、Ｒ２は、Ｈ又は－ＣＯＯＸ２、Ｘ１、Ｘ２は、Ｈ、一価、二価金属、アンモニウム基又は有機アミン基。）カルボン酸系単量体由来の構造単位（Ａ）と、式（２）；TIFF2022090233000009.tif4193（式（２）中、Ｒ４、Ｒ５及びＲ６は、Ｈ、メチル基又はエチル基、Ｒ７は、アルキレン基、Ｒ８は、Ｈ又は炭化水素基、ｐは、０～２の数、ｍは、２５～１００の数。）で表される不飽和ポリアルキレングリコール系単量体由来の構造単位（Ｂ）とを有する共重合体を含む地盤改良セメント組成物用添加剤。【選択図】なし
GROUND IMPROVING CEMENT-COMPOSITION ADDITIVE, GROUND IMPROVING CEMENT COMPOSITION, GROUND IMPROVING BODY, AND GROUND IMPROVING CONSTRUCTION METHOD
地盤改良セメント組成物用添加剤、地盤改良セメント組成物、地盤改良体及び地盤改良工法
YOKOYAMA YUYA (author) / KAWAI MOE (author) / YAMAGUCHI TAKUMA (author)
2022-06-17
Patent
Electronic Resource
Japanese
| European Patent Office | 2021
| European Patent Office | 2021
GROUND IMPROVING ADDITIVE, GROUND IMPROVING COMPOSITION AND GROUND IMPROVING METHOD
| European Patent Office | 2018
GROUND IMPROVING MATERIAL, CEMENT MILK AND GROUND IMPROVING METHOD
| European Patent Office | 2020
| European Patent Office | 2021