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Petrovna L.N.,Bryansk State Engineering and Technology Academy BGITA | Germanovna L.I.,Belgorod State Technological University | Gennadievich K.E.,Bryansk State Engineering and Technology Academy BGITA
International Journal of Applied Engineering Research | Year: 2014

Wollastonite-based nano-dispersion additive has been developed. It allows obtaining high-performance fine concrete due to additional formation of lowbase hydro-silicate-calcium phases in the cement matrix increasing density and strength with compression 2,3 – 2,9 times. © 2014, Research India Publications. Source


Petrovna L.N.,Bryansk State Engineering and Technology Academy BGITA | Sergeevich K.A.,Belgorod State Technological University | Alexeevich P.A.,Bryansk State Engineering and Technology Academy BGITA | Vladimirovich N.A.,Bryansk State Engineering and Technology Academy BGITA | And 2 more authors.
International Journal of Applied Engineering Research | Year: 2014

Environmentally safe nano-dispersionadditive to concrete has been obtained by ultrasonic dispersion in the aquatic environment of the intergrinding product of shungite-bearing rock and anionic surfactant of naphthalene-formaldehyde type. The nature of the influence of ultrasonic dispersion on the size, zeta-potential, the composition and structure of the particles of nano-dispersionadditive have been determined. The efficiency of usage of nano-dispersionadditive compounds to improve the structure and physical and technical characteristics of hydration hardening concrete has been shown. © Research India Publications. Source


Petrovna L.N.,Bryansk State Engineering and Technology Academy BGITA | Stanislavovich L.V.,Belgorod State Technological University | Andreevna P.O.,Bryansk State Engineering and Technology Academy BGITA | Yrevna G.E.,Bryansk State Engineering and Technology Academy BGITA | And 2 more authors.
International Journal of Applied Engineering Research | Year: 2014

The article deals with the nano-dispersed additive based on the white pigment - titanium dioxide obtained by ultrasonic dispersion in the organic solvent medium. The properties of the additive are investigated by selecting an appropriate stabilizer. The properties of fine-grained concrete modified with the nano-disperse additive based on titanium dioxide are studied. The method of orthogonal experimental design is used to study the effect of the developed additive on physical and mechanical properties of fine concrete. © 2014, Research India Publications. Source

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