Fiber-containing concrete compositions

A fiber-containing concrete composition containing hydraulically setting binders, 65 to 90 wt % of fillers from the group consisting of gravel and chippings, 0.01 to 15 wt % of one or more fibers, and 0.1 to 5.0 wt % of one or more vinyl ester-ethylene copolymers, the vinyl ester-ethylene copolymers consisting of the following monomers in polymerized form:

• a) one or more vinyl esters selected from the group consisting of vinyl acetate, vinyl propionate, vinyl butyrate and 1-methylvinyl acetate,
• b) ethylene, and optionally
• c) one or more further ethylenically unsaturated comonomers, wherein the further ethylenically unsaturated comonomers are selected from the group consisting of methacrylate esters or acrylate esters with unbranched or branched alcohols with 1 to 15 C atoms, ethylenically unsaturated silanes, vinyl aromatics, vinyl halides, dienes, olefins different from ethylene, ethylenically unsaturated carboxylic acid nitriles, mono and diesters of fumaric acid and maleic acid and ethylenically unsaturated sulfonic acids or salts thereof,
• wherein the statements in wt % each relate to 100 wt % dry mass of the fiber-containing concrete composition, and
• wherein the vinyl ester-ethylene copolymers are stabilized by a protective colloid.