TY  JOUR
TI  Application of mathematical calculations of the packing density of the spheres to the composition of lightweight concrete
KW  The packing density
KW  efficiency
KW  concrete
KW  aggregate.
JO  Actual directions of scientific researches of the XXI century: theory and practice
AU  Gavrilenko, A..
AU  Zakrevskaya, L.V.
AU  Dvornikov, R..
PY  2015
IS  3
PB  FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov