A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
ADDITIVE COMPOSITION FOR IMPROVING GROUND, AND METHOD OF IMPROVING GROUND
To provide an additive composition for improving the ground, capable of improving the fluidity of soil cement slurry while maintaining sufficient strength of hardened soil cement slurry, and a method of improving the ground using the additive composition for improving the ground.SOLUTION: The additive composition for improving the ground, comprises a component (A): a polycarboxylic acid dispersant comprising a polyether chain on its side chain, and a component (B): a polymer of either or both of ethylene oxide and propylene oxide, or a polyol of a weight average molecular weight of from 1,000 to 50,000, with a ratio of the mass of the component (B) relative to the total mass of the component (A) and the component (B):[(B)/(A+B)] being from 10 to 50 mass%.SELECTED DRAWING: None
【課題】ソイルセメントスラリーの固化後の充分な強度を確保しつつ、ソイルセメントスラリーの流動性を向上させることができる地盤改良用添加剤組成物と、この地盤改良用添加剤組成物を用いた地盤改良方法を提供する。【解決手段】（Ａ）成分：側鎖にポリエーテル鎖を有するポリカルボン酸系分散剤と、（Ｂ）成分：エチレンオキサイド及びプロピレンオキサイドの一方又は両方の重合体であって、重量平均分子量が１，０００～５０，０００であるポリオールとを含有し、前記（Ａ）成分と前記（Ｂ）成分の合計質量に対する前記（Ｂ）成分の質量の割合［（Ｂ）／（Ａ＋Ｂ）］が１０～５０質量％である、地盤改良用添加剤組成物。【選択図】なし
ADDITIVE COMPOSITION FOR IMPROVING GROUND, AND METHOD OF IMPROVING GROUND
To provide an additive composition for improving the ground, capable of improving the fluidity of soil cement slurry while maintaining sufficient strength of hardened soil cement slurry, and a method of improving the ground using the additive composition for improving the ground.SOLUTION: The additive composition for improving the ground, comprises a component (A): a polycarboxylic acid dispersant comprising a polyether chain on its side chain, and a component (B): a polymer of either or both of ethylene oxide and propylene oxide, or a polyol of a weight average molecular weight of from 1,000 to 50,000, with a ratio of the mass of the component (B) relative to the total mass of the component (A) and the component (B):[(B)/(A+B)] being from 10 to 50 mass%.SELECTED DRAWING: None
【課題】ソイルセメントスラリーの固化後の充分な強度を確保しつつ、ソイルセメントスラリーの流動性を向上させることができる地盤改良用添加剤組成物と、この地盤改良用添加剤組成物を用いた地盤改良方法を提供する。【解決手段】（Ａ）成分：側鎖にポリエーテル鎖を有するポリカルボン酸系分散剤と、（Ｂ）成分：エチレンオキサイド及びプロピレンオキサイドの一方又は両方の重合体であって、重量平均分子量が１，０００～５０，０００であるポリオールとを含有し、前記（Ａ）成分と前記（Ｂ）成分の合計質量に対する前記（Ｂ）成分の質量の割合［（Ｂ）／（Ａ＋Ｂ）］が１０～５０質量％である、地盤改良用添加剤組成物。【選択図】なし
ADDITIVE COMPOSITION FOR IMPROVING GROUND, AND METHOD OF IMPROVING GROUND
地盤改良用添加剤組成物及び地盤改良方法
SAKUE TOMIO (author) / SHINOHARA AKIRA (author)
2023-09-29
Patent
Electronic Resource
Japanese
GROUND IMPROVING ADDITIVE, GROUND IMPROVING COMPOSITION AND GROUND IMPROVING METHOD
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