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  • Testing of SFRC by the Schmidt rebound hammer
    Šušteršič, Jakob ; Rebić, Milenko ; Urbančič, Stanislav
    The rebund number, its relationship to fundamental frequency and correlations with compressive strength and erosion - abrasion resistance are discused. Nine mix proportions were used. The w/c ratios ... were varied from 0.30 to 0.65. The volumetric parcentage of hooked steel fibres was varied from 0.25 to 2.0 vol.% of 0.30; at the others the quantity of fibres was constant. In addition,mixes without fibres were made at each w/c. The rebund number and the fundamental frequency are decreased by an incraese of steel fibre content. The rebound number correlates with erosion - abrasion resistance. It does not correlate with compressive strength of concretes with constant w/c and diffrent contents of fibres.
    Vrsta gradiva - prispevek na konferenci
    Leto - 1991
    Jezik - angleški
    COBISS.SI-ID - 17036293