MORTAR COMPOSITION FOR SPACER, AND MORTAR

To provide a mortar composition for a spacer and mortar that can produce a high-strength reinforcing bar spacer by combining specific materials.SOLUTION: A mortar composition for a spacer of the invention contains Portland cement, lightweight fine aggregate, pozzolanic fine powder, inorganic carbona...

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Bibliographische Detailangaben
Hauptverfasser:	AIZAWA KAZUHIRO, YANAGISAWA AYUMI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	To provide a mortar composition for a spacer and mortar that can produce a high-strength reinforcing bar spacer by combining specific materials.SOLUTION: A mortar composition for a spacer of the invention contains Portland cement, lightweight fine aggregate, pozzolanic fine powder, inorganic carbonate, and a high-performance water reducing agent, and when hardened with water, the compressive strength at 28 days of age is at least 100 N/mm2.SELECTED DRAWING: None 【課題】特定の材料を組み合わせることで、高強度の鉄筋用スペーサを製造することができるスペーサ用モルタル組成物及びモルタルを提供する。【解決手段】本発明のスペーサ用モルタル組成物は、ポルトランドセメント、軽量細骨材、ポゾラン微粉末、無機炭酸塩及び高性能減水剤を含有し、水を配合して硬化した際の材齢２８日の圧縮強度が１００Ｎ／ｍｍ２以上である。【選択図】なし