Materials,
Год журнала:
2024,
Номер
17(24), С. 6280 - 6280
Опубликована: Дек. 22, 2024
Industrial
and
construction
wastes
make
up
about
half
of
all
world
wastes.
In
order
to
reduce
their
negative
impact
on
the
environment,
it
is
possible
use
part
them
for
concrete
production.
Using
experimental–statistical
modeling
techniques,
combined
effect
brick
powder,
recycling
sand,
alkaline
activator
fresh
hardened
properties
self-compacting
production
textile-reinforced
was
investigated.
Experimental
data
flowability,
passing
ability,
spreading
speed,
segregation
resistance,
air
content,
density
mixtures
were
obtained.
The
standard
ability
tests
modified
using
a
textile
mesh
maximize
approximation
real
conditions
To
determine
dynamics
strength
development,
compression
flexural
at
ages
1,
3,
7,
28
days
splitting
tensile
conducted.
preparation
technology
investigated
depending
composition
presented.
resulting
mathematical
models
allow
optimization
compositions
partial
replacement
slag
cement
with
powder
(up
30%),
natural
sand
recycled
100%)
addition
an
in
range
0.5–1%
content.
This
allows
us
obtain
sustainable,
alkali-activated
high-strength
concrete,
which
significantly
reduces
environment
promotes
development
circular
economy
industry.
