Case Studies in Construction Materials,
Journal Year:
2024,
Volume and Issue:
20, P. e02913 - e02913
Published: Jan. 26, 2024
Much
research
in
3D
concrete
printing
focuses
on
material
design
and
testing
new
additives
to
improve
performance.
However,
there
are
very
few
examples
of
studies
using
carbon
nanomaterials
mechanical
performance
create
smart
mortars
with
self-sensing
capabilities.
is
a
technology
that
optimizing
the
building
industry,
composition
able
monitor
structural
health
can
provide
important
insights
into
stress
levels
microcrack
concentration
critical
parts.
In
this
study,
multi-walled
nanotubes
(MWCNTs)
were
embedded
printable
concrete,
its
ability
was
investigated.
Four
compositions
different
concentrations
MWCNTs
prepared
assess
porosity
distribution
properties
fresh
hardened
states.
To
evaluate
material,
change
conductivity
measured
resistivity
meter
four-point
Wenner
probe,
while
tested
under
compression
tension.
The
results
showed
porosity,
strongly
influenced
by
matrix,
had
significant
effect
state
behavior
compositions,
better
capabilities
one
content
0.5%
per
binder
content.
Structural Concrete,
Journal Year:
2024,
Volume and Issue:
25(5), P. 3232 - 3245
Published: April 16, 2024
Abstract
The
sustainable
utility
of
industrial
waste
and
by‐products
is
crucial
to
reduce
environmental
impact.
Particularly
relevant
for
the
cement
concrete
industry,
where
recycling
utilization
can
help
replace
normal
promote
stable
growth.
One
such
material
aluminum
computer
numerical
control
(ALCNCW).
This
study
investigated
performance
reinforced
beams
incorporated
with
ALCNCW.
It
was
decided
use
effects
ALCNCW
ratio
proportion
longitudinal
reinforcement
as
parameters.
A
total
12
were
cast
tested
varying
levels
lower
ratios
(0.0125,
0.0074,
0.0032)
(1%,
2%,
3%
by
weight),
in
addition
a
beam.
load‐carrying
capacity,
failure
mode,
crack
patterns,
ductility,
serviceability
analyzed.
findings
experiments
demonstrated
that
cracking
bending
different
depending
on
quantity
tension
used.
results
indicate
adding
1%
or
2%
has
negligible
effect
load
capacity.
However,
ductility
adversely
affected.
Nevertheless,
mix
still
be
implemented
specific
ratio.
Finally,
all
met
limit
state
requirements.
Case Studies in Construction Materials,
Journal Year:
2024,
Volume and Issue:
20, P. e02913 - e02913
Published: Jan. 26, 2024
Much
research
in
3D
concrete
printing
focuses
on
material
design
and
testing
new
additives
to
improve
performance.
However,
there
are
very
few
examples
of
studies
using
carbon
nanomaterials
mechanical
performance
create
smart
mortars
with
self-sensing
capabilities.
is
a
technology
that
optimizing
the
building
industry,
composition
able
monitor
structural
health
can
provide
important
insights
into
stress
levels
microcrack
concentration
critical
parts.
In
this
study,
multi-walled
nanotubes
(MWCNTs)
were
embedded
printable
concrete,
its
ability
was
investigated.
Four
compositions
different
concentrations
MWCNTs
prepared
assess
porosity
distribution
properties
fresh
hardened
states.
To
evaluate
material,
change
conductivity
measured
resistivity
meter
four-point
Wenner
probe,
while
tested
under
compression
tension.
The
results
showed
porosity,
strongly
influenced
by
matrix,
had
significant
effect
state
behavior
compositions,
better
capabilities
one
content
0.5%
per
binder
content.
