CONCRETE FOR CURTAIAN WALL

PROBLEM TO BE SOLVED: To provide an ultra-lightweight concrete for curtain walls having large strengths even though it is light, excellent in surface finishing properties, contraction caused by drying and durability against freezing and thawing. SOLUTION: This concrete for curtain walls having =35 N...

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Bibliographische Detailangaben
Hauptverfasser: HAYANO HIROYUKI, OKAMOTO YUKIHISA, TOCHIGI TAKASHI, HIGO YASUHIDE
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide an ultra-lightweight concrete for curtain walls having large strengths even though it is light, excellent in surface finishing properties, contraction caused by drying and durability against freezing and thawing. SOLUTION: This concrete for curtain walls having =35 N/mm2 compressive strength the concrete is obtained by constituting the concrete of a coarse aggregate and a fine aggregate, wherein the coarse aggregate comprises granular artificial light aggregate having =800 N crushing load and 5% water absorption and the fine aggregate comprises an artificial lightweight aggregate having