A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
ADDITIVE FOR HYDRAULIC MATERIAL FOR CAST-IN-PLACE CONCRETE-BASED PILE, HYDRAULIC MATERIAL FOR CAST-IN-PLACE CONCRETE-BASED PILE AND CAST-IN-PLACE CONCRETE-BASED PILE
PROBLEM TO BE SOLVED: To provide an additive for hydraulic material capable of constructing a high strength cast-in-place concrete-based pile and excellent in material non-separability and bleeding inhibition, a hydraulic material and a high strength cast-in-place concrete-based pile.SOLUTION: An additive for hydraulic material for cast-in-place concrete pile contains an A component and a B component, where the A component is at least one kind selected from dialdehyde treated water-soluble alkyl cellulose, dialdehyde treated water-soluble hydroxyalkyl alkyl cellulose or the like, viscosity of 1 wt.% solution of the A component at 20°C is 1,000 to 100,000 mPa s, the treated amount of the A component by dialdehyde is 2 to 10 wt.% to the cellulose, the B component is at least one kind selected from an ester-based antifoam agent, and polyether-based antifoam agent, and weight ratio of the A component and the B component (A/B) is 1 to 99.SELECTED DRAWING: Figure 1
【課題】高強度の現場打ちコンクリート系杭を築造可能であり、材料不分離性及びブリージング抑制に優れる水硬性材料用混和剤及び水硬性材料と、高強度の現場打ちコンクリート系杭とを提供する。【解決手段】現場打ちコンクリート系杭用の水硬性材料用混和剤は、Ａ成分及びＢ成分を含み、前記Ａ成分が、ジアルデヒド処理水溶性アルキルセルロース、ジアルデヒド処理水溶性ヒドロキシアルキルアルキルセルロース等から選ばれる少なくとも１種であり、前記Ａ成分の１重量％の水溶液の２０℃における粘度が１，０００〜１００，０００ｍＰａ・ｓであり、前記Ａ成分のジアルデヒドによる処理量がセルロースに対して２〜１０重量％であり、前記Ｂ成分がエステル系消泡剤、ポリエーテル系消泡剤等から選ばれる少なくとも１種であり、前記Ａ成分と前記Ｂ成分との重量比（Ａ／Ｂ）が１〜９９である。【選択図】図１
ADDITIVE FOR HYDRAULIC MATERIAL FOR CAST-IN-PLACE CONCRETE-BASED PILE, HYDRAULIC MATERIAL FOR CAST-IN-PLACE CONCRETE-BASED PILE AND CAST-IN-PLACE CONCRETE-BASED PILE
PROBLEM TO BE SOLVED: To provide an additive for hydraulic material capable of constructing a high strength cast-in-place concrete-based pile and excellent in material non-separability and bleeding inhibition, a hydraulic material and a high strength cast-in-place concrete-based pile.SOLUTION: An additive for hydraulic material for cast-in-place concrete pile contains an A component and a B component, where the A component is at least one kind selected from dialdehyde treated water-soluble alkyl cellulose, dialdehyde treated water-soluble hydroxyalkyl alkyl cellulose or the like, viscosity of 1 wt.% solution of the A component at 20°C is 1,000 to 100,000 mPa s, the treated amount of the A component by dialdehyde is 2 to 10 wt.% to the cellulose, the B component is at least one kind selected from an ester-based antifoam agent, and polyether-based antifoam agent, and weight ratio of the A component and the B component (A/B) is 1 to 99.SELECTED DRAWING: Figure 1
【課題】高強度の現場打ちコンクリート系杭を築造可能であり、材料不分離性及びブリージング抑制に優れる水硬性材料用混和剤及び水硬性材料と、高強度の現場打ちコンクリート系杭とを提供する。【解決手段】現場打ちコンクリート系杭用の水硬性材料用混和剤は、Ａ成分及びＢ成分を含み、前記Ａ成分が、ジアルデヒド処理水溶性アルキルセルロース、ジアルデヒド処理水溶性ヒドロキシアルキルアルキルセルロース等から選ばれる少なくとも１種であり、前記Ａ成分の１重量％の水溶液の２０℃における粘度が１，０００〜１００，０００ｍＰａ・ｓであり、前記Ａ成分のジアルデヒドによる処理量がセルロースに対して２〜１０重量％であり、前記Ｂ成分がエステル系消泡剤、ポリエーテル系消泡剤等から選ばれる少なくとも１種であり、前記Ａ成分と前記Ｂ成分との重量比（Ａ／Ｂ）が１〜９９である。【選択図】図１
ADDITIVE FOR HYDRAULIC MATERIAL FOR CAST-IN-PLACE CONCRETE-BASED PILE, HYDRAULIC MATERIAL FOR CAST-IN-PLACE CONCRETE-BASED PILE AND CAST-IN-PLACE CONCRETE-BASED PILE
現場打ちコンクリート系杭用の水硬性材料用混和剤、現場打ちコンクリート系杭用の水硬性材料及び現場打ちコンクリート系杭
ICHIMURA HITOSHI (author) / TAKAHASHI SHUICHI (author) / SUGA MASANORI (author) / UEMURA KAZUFUMI (author) / KITANO KENICHI (author)
2016-08-04
Patent
Electronic Resource
Japanese
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