TY JOUR TI THE EFFECT OF SIO2 NANOPARTICLES ON PERFORMANCE OF CEMENT-BASED MATERIALS KW nano-SiO2 particles KW ultrafiltration KW cryochemical vacuum sublimation drying KW portland cement KW heat of hydration KW flow KW compressive strength JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Flores-Vivian, I.. AU Pradoto, R.. AU Kozhuhova, M.I. AU Potapov, V.V. AU Sobolev, K.G. PY 2018 IS 3 PB Belgorod State Technological University named after V.G. Shukhov