A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
PROBLEM TO BE SOLVED: To provide a cement-based self leveling mortar suitable for application with ultrathin application thickness, for example 5 mm or less.SOLUTION: There is provided a self leveling mortar containing Portland cement of 100 pts.mass, a cellulose derivative with viscosity at 20°C of 1500 to 15000 mPa s of 0.2 to 0.5 pt.mass, a fiber with length of 1 to 5 mm of 0.1 to 0.3 pt.mass, a water reducing agent of 0.5 to 1.0 pt.mass, an expansive admixture of 4.0 to 12.0 pts.mass, a dry shrinkage reduction agent of 0.5 to 1.5 pts.mass and limestone fine aggregate with particle diameter of over 150 μm (α) and limestone fine aggregate with particle diameter of 150 μm or less (β) of 150 to 220 pts.mass with mass ratio (β)/(α) of 0.7 to 2.0.SELECTED DRAWING: None
【課題】 例えば５ｍｍ以下の極薄の施工厚みでの施工に適したセメント系のセルフレベリング性モルタルの提供を課題とする。【解決手段】 ポルトランドセメント１００質量部、２０℃の粘性が１５００〜１５０００ｍＰａ・ｓのセルロース誘導体０．２〜０．５質量部、長さ１〜５ｍｍの繊維０．１〜０．３質量部、減水剤０．５〜１．０質量部、膨張材４．０〜１２．０質量部、乾燥収縮低減剤０．５〜１．５質量部、粒子径１５０μｍを超える石灰石細骨材（α）及び粒子径１５０μｍ以下の石灰石細骨材（β）を１５０〜２２０質量部含有し、質量比で（β）／（α）が０．７〜２．０であることを特徴とするセルフレベリング性モルタル。【選択図】 なし
PROBLEM TO BE SOLVED: To provide a cement-based self leveling mortar suitable for application with ultrathin application thickness, for example 5 mm or less.SOLUTION: There is provided a self leveling mortar containing Portland cement of 100 pts.mass, a cellulose derivative with viscosity at 20°C of 1500 to 15000 mPa s of 0.2 to 0.5 pt.mass, a fiber with length of 1 to 5 mm of 0.1 to 0.3 pt.mass, a water reducing agent of 0.5 to 1.0 pt.mass, an expansive admixture of 4.0 to 12.0 pts.mass, a dry shrinkage reduction agent of 0.5 to 1.5 pts.mass and limestone fine aggregate with particle diameter of over 150 μm (α) and limestone fine aggregate with particle diameter of 150 μm or less (β) of 150 to 220 pts.mass with mass ratio (β)/(α) of 0.7 to 2.0.SELECTED DRAWING: None
【課題】 例えば５ｍｍ以下の極薄の施工厚みでの施工に適したセメント系のセルフレベリング性モルタルの提供を課題とする。【解決手段】 ポルトランドセメント１００質量部、２０℃の粘性が１５００〜１５０００ｍＰａ・ｓのセルロース誘導体０．２〜０．５質量部、長さ１〜５ｍｍの繊維０．１〜０．３質量部、減水剤０．５〜１．０質量部、膨張材４．０〜１２．０質量部、乾燥収縮低減剤０．５〜１．５質量部、粒子径１５０μｍを超える石灰石細骨材（α）及び粒子径１５０μｍ以下の石灰石細骨材（β）を１５０〜２２０質量部含有し、質量比で（β）／（α）が０．７〜２．０であることを特徴とするセルフレベリング性モルタル。【選択図】 なし
SELF LEVELING MORTAR
セルフレベリング性モルタル
HOSONO KATSUO (author)
2017-10-05
Patent
Electronic Resource
Japanese
IPC:
C04B
Kalk
,
LIME
| European Patent Office | 2022