%0 Journal Article %T FEATURES OF FIBER OF THE DIFFERENT COMPOSITION AS AN ELEMENT OF THE SELF-CLEANING SURFACE %A Ischenko, A.V. %A Ogurtsova, Y.N. %A Strokova, V.V. %K fiber, hydrophobic additive, cement stone, contact angle of wetting, strength %J Bulletin of Belgorod State Technological University named after. V. G. Shukhov %D 2017 %N 2 %P 6 %I Belgorod State Technological University named after V.G. Shukhov