European Journal of Environmental and Civil engineering,
Год журнала:
2024,
Номер
unknown, С. 1 - 15
Опубликована: Дек. 31, 2024
Self-compacting
concrete
(SCC)
represents
a
significant
advancement
in
technology,
providing
solutions
to
traditional
challenges
associated
with
placement.
Despite
its
many
advantages,
SCC
faces
difficulties
maintaining
coherence,
stability,
and
resistance
segregation.
This
study
examines
the
properties
behaviors
of
SCC,
focusing
on
homogeneity,
bleeding,
their
relationships
various
rheological
parameters.
The
research
uses
experimental
analysis
correlation
studies
elucidate
these
phenomena.
In
this
work,
we
employed
new
tools
assess
water
accumulation
due
bleeding
evaluate
stability
homogeneity
using
ultrasonic
velocity
method.
Experimental
regression
analyses
further
robust
relationship
between
parameters
characteristics,
valuable
information
for
optimization
mixtures.
Matéria (Rio de Janeiro),
Год журнала:
2025,
Номер
30
Опубликована: Янв. 1, 2025
ABSTRACT
Self-Compacting
Concrete
(SCC)
is
a
very
flexible
concrete
that
flows
through
intricate,
heavily
reinforced
structural
components
and
compacts
under
its
own
weight.
Natural
sand
in
extremely
high
demand
developing
countries
because
of
the
rapid
expansion
infrastructure.
Many
researchers
are
substituting
some
fine
aggregate
with
materials
based
on
slag.
Environmental
contamination
increased
by
production
casting
slag,
by-product
industries
can
be
used
to
make
concrete.
Casting
slag
coagulation
process
result
solid
iron
industry.
After
being
identified
as
garbage,
it
usually
disposed
utility
disposal
site.
As
result,
an
effort
has
been
undertaken
assess
how
affects
amount
Fine
Aggregate
(FA)
replacement
percentage
0%,
10%,
20%,
30%
abovementioned
tests
were
conducted.
The
results
demonstrated
may
utilized
efficiently
substitute
part
for
self-compacting
concrete,
resulting
sustainable
construction.
Materials,
Год журнала:
2024,
Номер
17(7), С. 1537 - 1537
Опубликована: Март 28, 2024
The
aim
of
this
study
is
to
promote
the
application
excited
zeolite
powder
(ZP)with
aeolian
sand
(ASP)
in
field
aeolian-sand
concrete
(ASC)
production.
This
utilises
NaOH
treat
composite
cementitious
materials
containing
and
powders,
which
were
used
replace
50%
cement
(ASC).
Production
alkali-inspired
cement-based
windswept
concrete(AAZC).The
mechanical
properties
treated
ASC
considerably
improved,
especially
when
dosage
was
4%
by
mass.
After
curing
sample
(denoted
as
AAZC-4)
for
28
d,
its
compressive
strength
improved
17.2%,
split
tensile
increased
16.3%.
Potassium
feldspar
montmorillonite
SiO2
decomposed
OH−
combined
with
other
elements
generate
various
silicate
gels
A-type
potassium
crystals
inside
concrete.
Microscopic
examination
showed
that
intertwined
fill
pores,
decreasing
(increasing)
percentage
large
(small)
thus
optimising
pore
structure.
substantially
ASC.
Freeze–thaw
salt-intrusion
tests
extent
mass
loss,
degree
damage
loss
AAZC-4
similar
those
ordinary
but
reduced
36.8%,
19%
52.1%,
respectively,
compared
Therefore,
has
a
sustainable
working
performance
chloride-ion
permeable
environments
cold
arid
areas.
Research on Engineering Structures and Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
The
present
paper
investigates
the
valorisation
of
three
local
Algerian
waste
materials,
namely
Marble
Powder
(MP),
Ground
Granulated
Blast
Furnace
Slag
(GGBS),
and
Glass
Fibre-Reinforced
Plastic
Waste
(GFRPW),
as
mineral
additions
in
Self-Compacting
Concrete
(SCC).
A
mixture
design
modeling
approach
was
used
to
evaluate
impact
these
materials
their
interactions
on
fresh
hardened
properties
SCC.
Experimental
tests
were
performed,
including
slump
flow,
V-funnel,
L-box,
air
content,
compressive
strength
tests.
Regression
models
developed
understand
behaviour
SCC
based
proportions
MP,
GGBS,
GFRPW
both
binary
ternary
systems.
statistical
analysis
software
Minitab
employed
for
modeling.
results
revealed
that
combination
GGBS
systems
has
a
synergistic
effect
flow
L-box
ratio.
highest
value
ratio
achieved
at
approximately
38%
37%
25%
GFRPW.
V-funnel
time
affected
by
decreasing
with
higher
MP
increasing
proportion.
In
GFRPW-based
systems,
proportion
increased
but
combining
significantly
reduced
it.
Furthermore,
interaction
between
enhanced
development
28-day
strength,
where
54
MPa
reached
32%
68%
GGBS.
After
90
days
curing,
mixtures
containing
100%
exhibited
66
MPa.
This
study
provides
valuable
insights
optimising
use
SCC,
potentially
leading
more
sustainable
cost-effective
concrete
production.
E3S Web of Conferences,
Год журнала:
2024,
Номер
529, С. 01002 - 01002
Опубликована: Янв. 1, 2024
This
paper
presents
the
investigation
results
on
self-consolidating
concrete
(SCC)
produced
with
slag
aggregate
(SA).
The
characteristics
of
materials,
sieve
distribution
aggregates,
design
mixture
and
its
fresh
properties
test
such
as
slump
flow
test,
V-funnel,
U-funnel
L-box
are
analyzed.
mechanical
SCC
two
different
grades
is
tested
for
compressive
strength
(f’c),
split
tensile
(fst),
young’s
modulus
(Ec)
durability
test.
result
shows
that
mix
larger
exhibits
higher
values
than
companion
smaller
aggregate.
Although
it
fairly
optimum
substitution
but
percentage
replacement
affects
properties.
study
leaves
a
positive
way
application
in
concrete.
