CONCRETE COMPOSITION FOR RECOVERY METHOD OF CONCRETE PAVEMENT

A concrete composition for concrete pavement overlays is provided to secure the strength of concrete within a short time and good application for old or new concrete. A concrete composition for concrete pavement overlays is composed of 380 ~ 460 kg/m^3 of three kinds of cement, 3 ~ 7 wt% of black fe...

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Bibliographische Detailangaben
Hauptverfasser:	BAE, JONG OH, KWON, SOO AHN, KIM, KI HEUN, CHO, YOON HO, JUNG, WON KYONG
Format:	Patent
Sprache:	eng
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:	A concrete composition for concrete pavement overlays is provided to secure the strength of concrete within a short time and good application for old or new concrete. A concrete composition for concrete pavement overlays is composed of 380 ~ 460 kg/m^3 of three kinds of cement, 3 ~ 7 wt% of black ferric oxide(Fe3O4)-based pigment and 0.1 ~ 2 wt% of AE water reducing agent on a basis of the cement. A ratio of water-cement is 30 ~ 40wt%. A ratio of fine aggregate is 34 ~ 42 wt%. The maximum size of coarse aggregate is 25 mm. 93 ~ 98 % of the coarse aggregate passes through a 19mm sieve.