Cement mortar composition for repair with increased chloride penetration resistance comprising calcium-aluminum layered double hydroxide

The present invention relates to a cement mortar composition for repairing salt damage resistance comprising calcium-aluminum-based double layered hydroxide, and a repairing method of a concrete structure with improved salt damage resistance using the same. The cement mortar composition for repairin...

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Bibliographische Detailangaben
Hauptverfasser:	YOO KYUNG SUK, JANG SEUNG YUP, LEE YOUNG JAE, CHOI JUN HOUCK
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	ARTIFICIAL STONE BUILDING BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS CONCRETE FIXED CONSTRUCTIONS FORMS HANDLING BUILDING MATERIALS ON THE SITE INORGANIC CHEMISTRY 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:	The present invention relates to a cement mortar composition for repairing salt damage resistance comprising calcium-aluminum-based double layered hydroxide, and a repairing method of a concrete structure with improved salt damage resistance using the same. The cement mortar composition for repairing salt damage resistance according to the present invention improves salt damage resistance by mixing Cl^- ions and a Ca-Al-based double layered hydroxide with high ion affinity in cement mortar for repair and reinforcement of a concrete structure, thereby improving an effect of repair and reinforcement. 본 발명은 칼슘-알루미늄계 이중층수산화물을 포함하는 염해 저항성 보수용 시멘트 모르타르 조성물 및 이를 이용한 염해 저항성이 개선된 콘크리트 구조물의 보수방법에 관한 것으로, 본 발명에 의한 상기 염해 저항성 보수용 시멘트 모르타르 조성물은 콘크리트 구조물의 보수보강용 시멘트 모르타르에 Cl- 이온과 이온 친화도가 높은 Ca-Al계 이중층수산화물을 혼입하여 내염해성을 향상시킴으로써, 보수보강 효과를 향상시킬 수 있는 장점이 있다.