The information about the new national
standard GOST R «Self-compacting concrete
mixtures. Specifications», developed by
the «Research Institute for Concrete and
Reinforced Concrete» named after A.A.
Gvozdev, of JSC «Research Center of
Construction», is presented.
The standard applies to ready-to-use selfcompacting
concrete mixtures of heavyweight,
fine-grained, light-weight and reactive
powder concretes, as well as fiber reinforced
concretes, for the production of monolithic or
precast concrete structures and products, the
shape and reinforcement of which makes it
difficult to place and compaction of an ordinary
concrete mixture.
The standard establishes new terms
and definitions, types and designations,
uniform requirements for new technological
characteristics (slump-flow, segregation,
viscosity and flowability), acceptance
rules and test methods, production and
transportation processes, control and
evaluation procedures conformity of quality
indicators of self-compacting concrete
mixes.
The Effect of Incorporation of Ferrite Nano-particles on Compressive Strength and Re-sistivity of Self-Compacting Concrete
