The invention concerns a concrete wherein are dispersed metal fibres obtained by mixing with water a composition containing: a) a cement; b) fine elements with pozzolanic reaction; c) granular elements divided into two granular categories C1 1 mm and 5 mm and C2 from 5 to 15 mm; d) cement additives; e) an amount E of water added in the mixture; f) a dispersing agent, and preferably a superplasiticizer; g) metal fibres in amount not more than 120 kg/m3 of concrete; the contents of the different constituents (a), (b), (C1), (C2), (d) and the amount of water E, expressed in volume, satisfying the following relationships: ratio 1: 0.50
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机译：本发明涉及一种混凝土，其中分散的金属纤维是通过与水混合而得到的，该组合物包含：a）水泥; b）具有火山灰反应的细元素; c）颗粒元素分为两个颗粒类别C1> 1 mm和<5 mm，C2从5到15 mm; d）水泥添加剂; e）在混合物中加入一定量的水; f）分散剂，优选超增塑剂; g）金属纤维的混凝土用量不超过120 kg / m 3;满足以下关系的不同成分（a），（b），（C1），（C2），（d）的含量和水量E（以体积表示）：比率1：0.50
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