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    • 4. 发明公开
    • 중량골재 및 중량콘크리트
    • 重量重量和重量混凝土
    • KR1020090125743A
    • 2009-12-07
    • KR1020097002785
    • 2009-01-16
    • 다이헤이요 세멘토 가부시키가이샤
    • 요시모토,미노루히고,야스히데마나베,에이치
    • C04B14/02
    • C04B28/02C04B2111/0031C04B2111/00862C04B14/368C04B20/0076
    • Provided are a heavy fine aggregate and a heavy aggregate both for stiff-consistency heavy concretes having a slump of 0-3 cm. The aggregate materials are less apt to separate from the cement paste. Also provided is a stiff-consistency heavy concrete having a slump of 0-3 cm and containing the heavy fine aggregate and heavy aggregate. The heavy fine aggregate comprises 20 mass% or more aggregate particles having a diameter less than 0.15 mm and 20 mass% or more aggregate particles having a diameter of 2.5-5 mm, excluding 5 mm. When incorporated into a heavy concrete, the aggregate materials can be effectively inhibited from separating from the cement paste. When incorporated into a heavy concrete for filling a vessel, the aggregate materials can effectively heighten the percentage filling of the vessel.
    • 提供了一种重质细骨料和一种具有0-3厘米坍落度的刚性稠度重混凝土的重骨料。 骨料不易与水泥浆分离。 还提供了一种具有0-3厘米坍落度并含有重质细骨料和重骨料的硬质稠度重型混凝土。 重细粒子包含直径小于0.15mm的20质量%以上的骨料粒子和除了5mm以外的直径为2.5-5mm的骨料粒子的20质量%以上。 当结合到重混凝土中时,可以有效地抑制骨料与水泥浆分离。 当装入用于填充容器的重混凝土中时,骨料可以有效地提高容器的填充百分比。