HIGH STRENGTH CONCRETE MEMBER FOR HIGH SPEED TRAFFIC SYSTEM CONSTRUCTION

摘要

PROBLEM TO BE SOLVED: To provide a high strength concrete member for high speed traffic system construction having improved strength and toughness, and in addition greatly reducing creep. SOLUTION: This concrete member consists of cured body of a composition comprising at least cement, pozzolan fine powder, aggregate under 2 mm size, water, water reducing agent, metal fiber and/or organic fiber, fibrous or flaky particle having average size under 1 mm.