Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
NON-SHRINK GROUT COMPOSITION
PROBLEM TO BE SOLVED: To provide a grout composition which prevents material separation under not only normal temperature but also low temperature environment while having high flowability, has non-shrink property, and has high strength development.SOLUTION: The non-shrink grout composition contains (A) 100 pts.mass of cement, (B) 3-6 pts.mass of an expansive material, (C) 0.5-1 pt.mass of a water-reducing agent, (D) 0.1-0.3 pt.mass of a setting accelerator, (E) 0.0005-0.002 pt.mass of a foaming agent, (F) 50-90 pts.mass of a limestone aggregate having a particle size composition of 0.5-10 mass% of the limestone aggregate having a particle size of 1.2 mm or more and less than 2.5 mm, 35-55 mass% of the limestone aggregate having a particle size of 0.6 mm or more and less than 1.2 mm, 20-50 mass% of the limestone aggregate having a particle size of 0.3 mm or more and less than 0.6 mm, and 5-35 mass% of the limestone aggregate having a particle size of less than 0.3 mm, and (G) 10-50 pts.mass of a natural aggregate that is other than the limestone aggregate having a particle size composition of 35-70 mass% of the limestone aggregate having a particle size of 1.2 mm or more and less than 2.5 mm, 25-55 mass% of the limestone aggregate having a particle size of 0.6 mm or more and less than 1.2 m and 1-10 mass% of the limestone aggregate having a particle size of less than 0.6 mm, and has a density of 2.3 g/cmor more and less than 3.0 g/cm.SELECTED DRAWING: None
【課題】常温環境下に限らず低温環境下において、高い流動性を有するにも拘わらず材料分離が発生せず、無収縮性を有し、且つ高い強度発現性のグラウト組成物を提供する。【解決手段】（Ａ）セメント１００質量部、（Ｂ）膨張材３〜６質量部、（Ｃ）減水剤０．５〜１質量部、（Ｄ）凝結促進剤０．１〜０．３質量部、（Ｅ）発泡剤０．０００５〜０．００２質量部、（Ｆ）粒径１．２ｍｍ以上２．５ｍｍ未満が０．５〜１０質量％、粒径０．６ｍｍ以上１．２ｍｍ未満が３５〜５５質量％、粒径０．３ｍｍ以上０．６ｍｍ未満が２０〜５０質量％、粒径０．３ｍｍ未満が５〜３５質量％の粒度構成である石灰石骨材５０〜９０質量部および（Ｇ）粒径１．２ｍｍ以上２．５ｍｍ未満が３５〜７０質量％、粒径０．６ｍｍ以上１．２ｍｍ未満が２５〜５５質量％および粒径０．６ｍｍ未満が１〜１０質量％の粒度構成である石灰石骨材以外であり、且つ、密度２．３ｇ／ｃｍ3以上３．０ｇ／ｃｍ3未満の天然骨材１０〜５０質量部を含有することを特徴とする無収縮グラウト組成物。【選択図】なし
NON-SHRINK GROUT COMPOSITION
PROBLEM TO BE SOLVED: To provide a grout composition which prevents material separation under not only normal temperature but also low temperature environment while having high flowability, has non-shrink property, and has high strength development.SOLUTION: The non-shrink grout composition contains (A) 100 pts.mass of cement, (B) 3-6 pts.mass of an expansive material, (C) 0.5-1 pt.mass of a water-reducing agent, (D) 0.1-0.3 pt.mass of a setting accelerator, (E) 0.0005-0.002 pt.mass of a foaming agent, (F) 50-90 pts.mass of a limestone aggregate having a particle size composition of 0.5-10 mass% of the limestone aggregate having a particle size of 1.2 mm or more and less than 2.5 mm, 35-55 mass% of the limestone aggregate having a particle size of 0.6 mm or more and less than 1.2 mm, 20-50 mass% of the limestone aggregate having a particle size of 0.3 mm or more and less than 0.6 mm, and 5-35 mass% of the limestone aggregate having a particle size of less than 0.3 mm, and (G) 10-50 pts.mass of a natural aggregate that is other than the limestone aggregate having a particle size composition of 35-70 mass% of the limestone aggregate having a particle size of 1.2 mm or more and less than 2.5 mm, 25-55 mass% of the limestone aggregate having a particle size of 0.6 mm or more and less than 1.2 m and 1-10 mass% of the limestone aggregate having a particle size of less than 0.6 mm, and has a density of 2.3 g/cmor more and less than 3.0 g/cm.SELECTED DRAWING: None
【課題】常温環境下に限らず低温環境下において、高い流動性を有するにも拘わらず材料分離が発生せず、無収縮性を有し、且つ高い強度発現性のグラウト組成物を提供する。【解決手段】（Ａ）セメント１００質量部、（Ｂ）膨張材３〜６質量部、（Ｃ）減水剤０．５〜１質量部、（Ｄ）凝結促進剤０．１〜０．３質量部、（Ｅ）発泡剤０．０００５〜０．００２質量部、（Ｆ）粒径１．２ｍｍ以上２．５ｍｍ未満が０．５〜１０質量％、粒径０．６ｍｍ以上１．２ｍｍ未満が３５〜５５質量％、粒径０．３ｍｍ以上０．６ｍｍ未満が２０〜５０質量％、粒径０．３ｍｍ未満が５〜３５質量％の粒度構成である石灰石骨材５０〜９０質量部および（Ｇ）粒径１．２ｍｍ以上２．５ｍｍ未満が３５〜７０質量％、粒径０．６ｍｍ以上１．２ｍｍ未満が２５〜５５質量％および粒径０．６ｍｍ未満が１〜１０質量％の粒度構成である石灰石骨材以外であり、且つ、密度２．３ｇ／ｃｍ3以上３．０ｇ／ｃｍ3未満の天然骨材１０〜５０質量部を含有することを特徴とする無収縮グラウト組成物。【選択図】なし
NON-SHRINK GROUT COMPOSITION
無収縮グラウト組成物
AKAE SHINYA (Autor:in) / NAKAHARA KAZUHIKO (Autor:in) / TAKAYAMA KOHEI (Autor:in)
31.08.2017
Patent
Elektronische Ressource
Japanisch
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