CEMENT COMPOSITION, REPAIRING METHOD USING THE SAME, AND CONCRETE STRUCTURE

To provide a cement composition having high acid tolerance, initial cracking resistance, high adhesiveness, and fluidity retention.SOLUTION: A cement composition includes calcium aluminate and pozzolan, where the calcium aluminate includes SO3, ZrO2, and P2O5 as a chemical component, the total amoun...

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Bibliographische Detailangaben
Hauptverfasser:	SASAKI TAKASHI, TAKAGI SATOSHI, YAMAGISHI TAKANORI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ARTIFICIAL STONE BUILDING BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE FIXED CONSTRUCTIONS FORMS HANDLING BUILDING MATERIALS ON THE SITE LIME, MAGNESIA METALLURGY REFRACTORIES REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS SCAFFOLDING SHUTTERING SLAG TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	To provide a cement composition having high acid tolerance, initial cracking resistance, high adhesiveness, and fluidity retention.SOLUTION: A cement composition includes calcium aluminate and pozzolan, where the calcium aluminate includes SO3, ZrO2, and P2O5 as a chemical component, the total amount of SO3, ZrO2, and P2O5 is 0.05 mass% or more and 2.0 mass% or less with respect to 100 pts.mass of the calcium aluminate, and the content of the P2O5 (P2O5/(SO3+ZrO2+P2O5)) is 10 mass% or more and 45 mass% or less.SELECTED DRAWING: None 【課題】優れた耐酸性と初期ひび割れ抵抗性、高い付着性、流動保持性を有するセメント組成物を提供する。【解決手段】アルミン酸カルシウム及びポゾランを含有してなるセメント組成物であって、前記アルミン酸カルシウムが化学成分としてＳＯ３とＺｒＯ２とＰ２Ｏ５を含有し、前記アルミン酸カルシウム１００質量部に対してＳＯ３とＺｒＯ２とＰ２Ｏ５の合計量が０．０５質量％以上２.０質量％以下であり、前記Ｐ２Ｏ５の含有量（Ｐ２Ｏ５／（ＳＯ３＋ＺｒＯ２＋Ｐ２Ｏ５））が１０質量％以上４５質量％以下である、セメント組成物である。【選択図】なし