Basics of Concrete Science by Professor L. Dvorkin, Professor O. Dvorkin - HTML preview
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,
2.11)
cp
where P – porosity of compacting fresh concrete.
More than 90% of all concrete constructions and units are made by
method of vibration.
A.Desov and V.Shmigalsky had offered the parameter of
intensity of vibrations (I) as a criterion of efficiency of vibration
(fig.2.9):
І А2
=
W3
(2.12)