HYDRAULIC GROUT MATERIAL FOR PAVING AND GROUT

PURPOSE:To improve injecting properties into an asphalt mixture, strength and durability by comprising a cement substance comprising Portland cement and specific blast furnace slag fine powder, a blast furnace slag fine aggregate and a high-performance water reducing agent therein. CONSTITUTION:This...

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Hauptverfasser:	NIIZAKI YOSHIYUKI, HOSHI TOSHIHIKO, ISHIKAWA SEIJI
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	PURPOSE:To improve injecting properties into an asphalt mixture, strength and durability by comprising a cement substance comprising Portland cement and specific blast furnace slag fine powder, a blast furnace slag fine aggregate and a high-performance water reducing agent therein. CONSTITUTION:This hydraulic grout material for paving is obtained by blending 100 pts.wt. cement comprising 10-70 pts.wt. Portland cement and 90-30 pts.wt. blast furnace slag fine powder having >=600cm /g Blaine specific surface area with 50-150 pts.wt. blast furnace stag fine aggregate having 30mum to 0.3mm particle size and 0.2-3.0 pts.wt. high-performance water reducing agent. Furthermore, this grout is prepared by adding 20-40 pts.wt. water to 100 pts.wt. resultant hydraulic grout material for paving and kneading the obtained mixture. The prepared grout has 15-20sec flow time measured with a P-funnel.