Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
EXPANSION COMPOSITION, CEMENT COMPOSITION, AND CEMENT CONCRETE
To provide an expansion composition excellent in storage stability and capable of exhibiting an appropriate expansion performance.SOLUTION: An expansion composition contains a free lime, a hydraulic compound and an anhydrous gypsum, and has a highest pH, measured by Fuchs test method, of 11.5-13.0, wherein: preferably, the arrival time to pH of 3.0, measured by the Fuchs test method, is 10 seconds or less; and more preferably, the lapsed time in which pH of 3.0 is retained, measured by the Fuchs test method, is more than 100 minutes and 130 minutes or less.SELECTED DRAWING: None
【課題】貯蔵安定性に優れ、適正な膨張性能を発現できる膨張組成物を提供する。【解決手段】遊離石灰、水硬性化合物、および無水セッコウを含有し、Ｆｕｃｈｓ法試験で測定した最高ｐＨが１１．５〜１３．０である膨張組成物であり、好ましくは、Ｆｕｃｈｓ法試験で測定したｐＨ3．０までの到達時間が１０秒以内であり、更に好ましくは、Ｆｕｃｈｓ法試験で測定したｐＨ３．０以上を保持する経過時間が、１００分を超えて、１３０分以内である。【選択図】なし
EXPANSION COMPOSITION, CEMENT COMPOSITION, AND CEMENT CONCRETE
To provide an expansion composition excellent in storage stability and capable of exhibiting an appropriate expansion performance.SOLUTION: An expansion composition contains a free lime, a hydraulic compound and an anhydrous gypsum, and has a highest pH, measured by Fuchs test method, of 11.5-13.0, wherein: preferably, the arrival time to pH of 3.0, measured by the Fuchs test method, is 10 seconds or less; and more preferably, the lapsed time in which pH of 3.0 is retained, measured by the Fuchs test method, is more than 100 minutes and 130 minutes or less.SELECTED DRAWING: None
【課題】貯蔵安定性に優れ、適正な膨張性能を発現できる膨張組成物を提供する。【解決手段】遊離石灰、水硬性化合物、および無水セッコウを含有し、Ｆｕｃｈｓ法試験で測定した最高ｐＨが１１．５〜１３．０である膨張組成物であり、好ましくは、Ｆｕｃｈｓ法試験で測定したｐＨ3．０までの到達時間が１０秒以内であり、更に好ましくは、Ｆｕｃｈｓ法試験で測定したｐＨ３．０以上を保持する経過時間が、１００分を超えて、１３０分以内である。【選択図】なし
EXPANSION COMPOSITION, CEMENT COMPOSITION, AND CEMENT CONCRETE
膨張組成物、セメント組成物およびセメント・コンクリート
MAEDA TAKUMI (Autor:in) / MORI TAIICHIRO (Autor:in) / SHIMAZAKI DAIKI (Autor:in)
28.05.2020
Patent
Elektronische Ressource
Japanisch
IPC:
C04B
Kalk
,
LIME
HYDRAULIC CEMENT COMPOSITION AND CEMENT-CONCRETE COMPOSITION
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