JP2004067887A5 - - Google Patents
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- JP2004067887A5 JP2004067887A5 JP2002229811A JP2002229811A JP2004067887A5 JP 2004067887 A5 JP2004067887 A5 JP 2004067887A5 JP 2002229811 A JP2002229811 A JP 2002229811A JP 2002229811 A JP2002229811 A JP 2002229811A JP 2004067887 A5 JP2004067887 A5 JP 2004067887A5
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- pile
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- hydraulic composition
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【特許請求の範囲】
【請求項1】 第1の水溶性低分子化合物〔以下、化合物(A)という〕と、化合物(A)とは異なる第2の水溶性低分子化合物〔以下、化合物(B)という〕とを含有するスラリーレオロジー改質剤であって、化合物(A)及び化合物(B)の組合わせが、(1)両性界面活性剤から選ばれる化合物(A)及びアニオン性界面活性剤から選ばれる化合物(B)の組合わせ、(2)カチオン性界面活性剤から選ばれる化合物(A)及びアニオン性芳香族化合物から選ばれる化合物(B)の組合わせ、(3)カチオン性界面活性剤から選ばれる化合物(A)及び臭化化合物から選ばれる化合物(B)の組合わせ、から選択され、化合物(A)の水溶液SA(20℃での粘度が100mPa・s以下のもの)と化合物(B)の水溶液SB(20℃での粘度が100mPa・s以下のもの)とを50/50の重量比で混合した水溶液の20℃における粘度が、混合前のいずれの水溶液の粘度よりも少なくとも2倍高くすることができるスラリーレオロジー改質剤と、水硬性粉体と、水とを含有し、以下の特性1を満足する杭工法用水硬性組成物。
<特性1>
20℃の該組成物について、コーンプレート(直径50mm、角度0.0398rad、GAP0.0508mm)の角速度ωが1〜10rad/sの範囲で測定した貯蔵弾性率の最大値G’maxが50〜10000Paである。
【請求項2】 化合物(A)と化合物(B)との有効分のモル比が化合物(A)/化合物(B)=1/20〜20/1である請求項1記載の杭工法用水硬性組成物。
【請求項3】さらに、膨張材を含有する請求項1又は2記載の杭工法用水硬性組成物。
【請求項4】 化合物(A)と化合物(B)の有効分合計の含有量が水100重量部に対して0.01〜20重量部の範囲である請求項1〜3いずれか記載の杭工法用水硬性組成物。
【請求項5】 請求項1〜4いずれか記載の杭工法用水硬性組成物を硬化させてなる場所打ちコンクリート杭。
【請求項6】 地盤を、掘削攪拌ロッドを用いて支持層まで掘削した後、掘削孔に根固め液を注入し、次いで請求項1〜4いずれか記載の杭工法用水硬性組成物を注入しながら掘削攪拌ロッドを引き上げた後、杭工法用水硬性組成物で満たされた孔中に、既製コンクリートパイルを沈設し、地盤と杭を一体化させる杭の埋込み工法。
[Claims]
1. A first water-soluble low-molecular compound (hereinafter, referred to as compound (A)) and a second water-soluble low-molecular compound (hereinafter, referred to as compound (B)) different from compound (A). A slurry rheology modifier containing a compound (A) and a compound (B), wherein the combination of (1) a compound (A) selected from amphoteric surfactants and a compound (A) selected from anionic surfactants ( Combination of B), (2) Combination of compound (A) selected from cationic surfactants and compound (B) selected from anionic aromatic compounds, (3) Compound selected from cationic surfactants (A) and a combination of a compound (B) selected from a brominated compound, and an aqueous solution S A (having a viscosity at 20 ° C. of 100 mPa · s or less) of the compound (A) and the compound (B). an aqueous solution S B (20 ° C. The viscosity at 20 ° C. of an aqueous solution obtained by mixing a solution having a viscosity of 100 mPa · s or less with a weight ratio of 50/50 at least 20 times higher than the viscosity of any aqueous solution before mixing can be improved. A hydraulic composition for a pile method, which comprises a filler, a hydraulic powder, and water, and satisfies the following property 1.
<Characteristic 1>
For the composition at 20 ° C., the maximum value G ′ max of the storage modulus measured at an angular velocity ω of a cone plate (diameter 50 mm, angle 0.0398 rad, GAP 0.0508 mm) of 1 to 10 rad / s is 50 to 10000 Pa. It is.
Wherein compounds (A) and (B) the molar ratio of the active component is a compound of (A) / compound (B) = 1/20 to 20/1 a Pile water according to claim 1 Symbol placement is Hard composition.
3. Further, according to claim 1 or 2 Pile water hydraulic composition according containing expanding material.
Wherein compounds (A) and (B) the content of the effective component sum is in the range of 0.01 to 20 parts by weight per 100 parts by weight of water according to claim 1-3 pile according any Hydraulic composition for construction method.
5. A cast-in-place concrete pile obtained by curing the hydraulic composition for a pile method according to any one of claims 1 to 4 .
6. A soil, was drilled to the support layer using a drill stirring rod, roots solidify was poured into borehole, then poured the claims 1-4 Pile water hydraulic composition according to any one A pile embedding method in which a precast concrete pile is laid in a hole filled with a hydraulic composition for a pile method, and then the ground and the pile are integrated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002229811A JP3973990B2 (en) | 2002-08-07 | 2002-08-07 | Hydraulic composition for pile method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002229811A JP3973990B2 (en) | 2002-08-07 | 2002-08-07 | Hydraulic composition for pile method |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2004067887A JP2004067887A (en) | 2004-03-04 |
JP2004067887A5 true JP2004067887A5 (en) | 2007-07-12 |
JP3973990B2 JP3973990B2 (en) | 2007-09-12 |
Family
ID=32016077
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002229811A Expired - Fee Related JP3973990B2 (en) | 2002-08-07 | 2002-08-07 | Hydraulic composition for pile method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3973990B2 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4832845B2 (en) * | 2005-10-04 | 2011-12-07 | 花王株式会社 | Slurry production method |
JP4896486B2 (en) * | 2005-10-14 | 2012-03-14 | 花王株式会社 | Hydraulic composition |
JP5695300B2 (en) * | 2009-04-02 | 2015-04-01 | 前田製品販売株式会社 | Ready-made pile rooting solution and embedding method of ready-made pile using this root-setting solution |
JP5864517B2 (en) * | 2013-11-20 | 2016-02-17 | 株式会社ポラス暮し科学研究所 | Column building equipment |
JP7044535B2 (en) * | 2017-12-14 | 2022-03-30 | 花王株式会社 | Hydraulic composition for pile construction method |
-
2002
- 2002-08-07 JP JP2002229811A patent/JP3973990B2/en not_active Expired - Fee Related
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