Buildings,
Journal Year:
2024,
Volume and Issue:
14(10), P. 3226 - 3226
Published: Oct. 11, 2024
Waste
slag
and
rubber
particles
are
commonly
used
to
modify
concrete,
offering
benefits
such
as
reduced
cement
consumption
lower
greenhouse
gas
emissions
during
production.
In
this
study,
these
two
environmentally
friendly,
sustainable
waste
materials
were
proposed
for
the
preparation
of
mortar
intended
snow-melting
pavements.
A
series
experiments
conducted
evaluate
performance
material
determine
whether
its
compressive
flexural
strengths
meet
requirements
pavement
specifications.
The
mortar’s
suitability
pavements
was
assessed
based
on
thermal
conductivity,
impermeability,
freeze–thaw
resistance.
results
indicate
that
slag,
when
in
different
volume
fractions,
can
enhance
strength
mortar.
Slag
also
provides
excellent
resistance
cycles,
contributing
overall
When
content
20%,
optimal,
with
reaching
58.5
MPa
8.1
MPa,
respectively.
loss
rate
under
cycles
8.03%,
conductivity
reached
2.2895
W/(m
*
K),
impermeability
pressure
value
0.5
MPa.
Conversely,
addition
found
decrease
material’s
mechanical
properties.
However,
small
amounts,
improved
cycles.
5%
by
volume,
which
166.7%
than
ordinary
Under
test
block
a
25%
fraction
9.83%
Smart Cities,
Journal Year:
2024,
Volume and Issue:
7(6), P. 3458 - 3488
Published: Nov. 12, 2024
This
paper
presents
a
comprehensive
review
of
the
transformative
impacts
3D
printing
technology
on
smart
cities.
As
cities
face
rapid
urbanization,
resource
shortages,
and
environmental
degradation,
innovative
solutions
such
as
additive
manufacturing
(AM)
offer
potential
pathways
for
sustainable
urban
development.
By
synthesizing
66
publications
from
2015
to
2024,
study
examines
how
improves
infrastructure,
enhances
sustainability,
fosters
community
engagement
in
city
planning.
Key
benefits
include
reducing
construction
time
material
waste,
lowering
costs,
enabling
creation
scalable,
affordable
housing
solutions.
The
also
addresses
emerging
areas
integration
with
digital
twins
(DTs),
machine
learning
(ML),
AI
optimize
infrastructure
predictive
maintenance.
It
highlights
use
materials
soft
robotics
structural
health
monitoring
(SHM)
repairs.
Despite
promising
advancements,
challenges
remain
terms
cost,
scalability,
need
interdisciplinary
collaboration
among
engineers,
designers,
planners,
policymakers.
findings
suggest
roadmap
future
research
practical
applications
cities,
contributing
ongoing
discourse
technologically
advanced
Sustainable and Resilient Infrastructure,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 14
Published: Jan. 16, 2025
Adopting
alternative
energy
sources
becomes
imperative,
despite
the
existing
technical
and
practical
obstacles
in
its
implementation.
This
study
aimed
to
explore
harvesting
potential
of
thermoelectric
effect
on
concrete
surfaces.
By
examining
impact
incorporating
graphite
powder
into
(at
0.5–2.5%
cement
weight)
steel
fiber
1–2%
volume),
we
investigated
compared
thermal,
electrical,
mechanical
properties
concrete.
The
findings
revealed
that
adding
at
a
2.5%
weight-to-cement
ratio
led
maximum
upper
surface
temperature
50.4°C
subsequently
generated
voltage
0.27
volts.
However,
side
temperature,
located
same
position,
yielded
lower
results
than
surface.
It
is
crucial
incorporate
device
for
converting
voltage,
necessitating
shallow
placement
near
high-temperature,
well-tempered
pavement
ensure
efficient
harvesting.
Advances in Materials Science,
Journal Year:
2025,
Volume and Issue:
25(1), P. 5 - 36
Published: March 1, 2025
Abstract
This
leading-edge
overview
delivers
an
all-inclusive
knowledge
on
fundamentals,
state-of-the-art,
and
technicalities
of
two
important
polymer
categories
filled
with
graphene
quantum
dots,
namely
conjugated
polymer/graphene
dots
rubber/graphene
nanocomposites.
According
to
the
literature
up
till
now,
facile
efficient
fabrication
methods,
like
in
situ
polymerization,
solution
mixing,
melt
blending,
etc.
have
been
reported
for
these
derived
hybrids.
The
ensuing
based
nanocomposites
were
inspected
microstructural,
electrical
conductivity,
charge
transportation,
thermal/mechanical
resistance,
fluorescence
properties,
allied
valuable
physical
features.
Incidentally,
we
notice
promising
applications
inimitable
hybrids
gas/molecular/piezoelectric
sensors,
supercapacitors,
biomedical
areas.
Nevertheless,
due
limited
reports
applied
sides
conjugated/rubbery
matrices,
future
research
attempts
seem
indispensable
resolve
challenges
optimized/controlled
processing
also
unveil
structure-property-performance
links
synergistic
mechanisms
developing
next
generation
industrial
level
Nanotechnology Reviews,
Journal Year:
2025,
Volume and Issue:
14(1)
Published: Jan. 1, 2025
Abstract
Because
cement
is
the
primary
component
of
concrete,
production
concrete
results
in
a
significant
amount
carbon
dioxide
emissions.
Concrete,
thus,
has
an
impact
on
environment.
Concrete
may
undergo
change
its
nanostructure
if
it
contains
even
trace
number
nanoparticles
(NPs).
Constructions
made
would
be
more
long-lasting
and
have
smaller
Researchers
know
very
little
about
NPs
before
they
are
utilized,
findings
their
investigations
been
inconsistent
despite
fact
that
large
studies
conducted.
In
contrast
to
inclusion
metals,
NPs,
particularly
nano-silica
(NS)
nano-ferrite
(NF),
garnered
lot
attention.
Due
perform
effectively
than
metal
complexes.
To
evaluate
bids,
essential
provide
background
information
most
common
methods
for
manufacture
fabrication
nanomaterials.
The
parameters
influence
behavior
cement-based
materials
also
subject
extensive
research.
There
processes
mixing
dispersion,
as
well
super-plasticizers
nanoparticle
agglomeration.
mechanical
properties
mixtures
containing
assessed.
This
encompasses
modulus
elasticity,
splitting
tensile
strength,
compressive
flexural
strength.
An
assessment
conducted
ascertain
penetration
chloride
ions
water,
permeability,
fire
resistance.
study
examines
various
dispersing
NS
NF
particles
reduce
probability
investigation
how
buildup
affects
nano-modified
concrete.
revealed
augmenting
substitution
by
3–5%
can
enhance
hydration
process
enhanced
extensively
disseminated
which
denser
microstructure.
incorporation
into
enhances
durability,
at
concentrations
minimal
2%.
graphical
abstract
encapsulates
research
this
article.
Deleted Journal,
Journal Year:
2025,
Volume and Issue:
20(1)
Published: April 11, 2025
Abstract
Carbon
quantum
dots
(CQDs)
have
emerged
as
promising
organic
nanomaterials
due
to
their
unique
physicochemical
properties
and
versatile
applications.
In
recent
years,
there
has
been
a
growing
interest
in
exploring
the
role
of
CQDs
improving
performance
construction
building
materials,
including
cement,
concrete,
asphalt.
This
paper
presents
comprehensive
literature
review
articles
focusing
on
synthesis
methods
graphene
(GQDs),
characteristics,
effects
mechanical,
thermal,
durability
cement-based
materials.
Furthermore,
potential
challenges
future
research
directions
this
field
towards
carbon
capture,
utilization,
storage
(CCUS)
direction
are
also
discussed.
The
mechanisms
behind
these
improvements
analyzed,
interfacial
bonding
between
CQDs,
seeding
nucleation
cement
hydration
process,
filling
effect.
Additionally,
addresses
associated
with
CQD
implementation,
such
cost-effectiveness
large-scale
implementation.
Finally,
suggested
outline
for
optimizing
used
materials
many
is
discussed,
suggesting
novel
ways
high-performance,
functional,
sustainable
smart
Graphical
