The results of investigation of the influence of cut from a sheet of steel fiber of NPO "Magnitogorsk Fiber Story" on the strength of the concrete matrix of class B45. Found that one-level particulate reinforcement of concrete steel fiber can improve the tensile strength of concrete in compression by 15% at a rate of three-dimensional reinforcement μfv = 0,5%, on a bend of 50% at μfv = 0,75% compared to concrete without reinforcement.
цементные композиты, стальная фибра, прочность, cement composites, steel fiber, strength
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