Polymers,
Journal Year:
2023,
Volume and Issue:
15(5), P. 1278 - 1278
Published: March 2, 2023
Lightweight
concrete
is
one
of
the
effective
means
to
solve
problems
structural
component
weight,
energy
efficiency,
and
fire
safety
in
modern
civil
engineering.
Heavy
calcium
carbonate-reinforced
epoxy
composite
spheres
(HC-R-EMS)
were
prepared
by
ball
milling
method,
HC-R-EMS,
cement,
hollow
glass
microspheres
(HGMS)
mixed
into
mold
molding
method
prepare
lightweight
concrete.
The
relationship
between
HC-R-EMS
volumetric
fraction,
initial
inner
diameter
number
layers
HGMS
volume
ratio,
basalt
fiber
length
content,
multi-phase
density
compressive
strength
was
studied.
experimental
results
show
that
ranges
0.953-1.679
g/cm3
1.59-17.26
MPa,
where
fraction
90%,
internal
8-9
mm,
three.
can
meet
requirements
high
(12.67
MPa)
low
(0.953
g/cm3).
In
addition,
addition
(BF)
effectively
improve
material
without
changing
material.
From
a
micro-level
perspective,
closely
combined
with
cement
matrix,
which
conducive
increasing
Basalt
fibers
connect
matrix
network,
improving
maximum
limit
force
Journal of Building Engineering,
Journal Year:
2024,
Volume and Issue:
84, P. 108514 - 108514
Published: Jan. 19, 2024
In
today's
modern
society,
an
emerging
field
that
has
garnered
notable
attention
pertains
to
the
management
of
sound.
Effective
control
measures
are
needed
because
increase
in
noise
pollution
from
urbanization
and
industrial
growth.
Effectively
regulating
level
across
all
areas
engineering
is
imperative.
The
development
acoustic
materials
with
exceptional
absorption
efficiency
a
frontier
area
study
for
acousticians
architects
alike
industry.
This
material
scientists
owing
multiple
noteworthy
characteristic
properties
it
offers.
Sound
commonly
consist
conventional
chemical
synthetic
constituents
require
replacement
various
justifiable
reasons,
so
substitution
these
natural
very
important.
employment
sustainable,
cost-effective,
recyclable,
reproducible
instead
plays
crucial
role
addressing
myriad
environmental
concerns.
These
concerns
include,
but
not
limited
to,
increasing
greenhouse
gas
emissions
(CO2
levels),
potential
health
risks,
air
ecosystems,
temperature
(global
warming),
reduction
fossil
fuels
raw
materials,
attainment
ecologically
sound
cities.
main
purpose
this
review
draw
most
promising
fibers.
Thus,
focus
will
primarily
be
on
current
trends
fibers,
recycled
fibers
agricultural
wastes.
Today,
popular
also
drive
future
directions,
particularly
by
providing
next
generation
researchers
considerable
opportunities.
Heliyon,
Journal Year:
2023,
Volume and Issue:
10(1), P. e23102 - e23102
Published: Dec. 1, 2023
Aerogels
are
unique
and
extremely
porous
substances
with
fascinating
characteristics
such
as
ultra-low
density,
extraordinary
surface
area,
excellent
thermal
insulation
capabilities.
Due
to
their
exceptional
features,
aerogels
have
attracted
significant
interest
from
various
fields,
including
energy,
environment,
aerospace,
biomedical
engineering.
This
review
paper
presents
an
overview
of
the
trailblazing
research
on
aerogels,
aiming
at
preparation,
characterization,
applications.
Various
methods
aerogel
synthesis,
sol-gel,
supercritical
drying,
discussed.
Additionally,
recent
progress
in
characterization
structures,
morphology,
porosity,
properties,
extensively
reviewed.
Finally,
aerogel's
utilizations
numerous
disciplines,
for
instance,
energy
storage,
insulation,
catalysis,
environmental
remedy,
applications,
summarized.
provides
a
comprehensive
understanding
prospective
uses
diverse
highlighting
properties
future
development.
Materials,
Journal Year:
2025,
Volume and Issue:
18(2), P. 333 - 333
Published: Jan. 13, 2025
The
use
of
vegetable
fibers
(VFs)
in
cement-based
composites
has
increased
recent
years
owing
to
their
minimal
environmental
impact
and
notable
particular
properties.
VFs
have
aroused
interest
within
the
scientific
community
because
potential
as
a
sustainable
alternative
for
construction.
This
study
presents
comprehensive
bibliometric
analysis
cement
using
data
from
Scopus
database
scientometric
tools
explore
publication
trends,
influential
sources,
research
directions.
Key
findings
reveal
steady
increase
publications,
with
Construction
Building
Materials
identified
leading
journal
field
China
Brazil
prominent
contributors
terms
publications
citations.
highlights
strong
focus
on
mechanical
properties
durability,
reflecting
optimizing
VF
Furthermore,
this
includes
revision
most
studies
addressing
classification,
durability
improvements,
advanced
applications
building
applications.
Finally,
future
opportunities
are
outlined,
emphasizing
Life
Cycle
Assessment
(LCA),
industry
integration,
CO2
absorption,
application
machine
learning
techniques
advance
development
composites.
work
provides
overview
field,
suggesting
guidelines
promoting
collaborative
research.
Case Studies in Construction Materials,
Journal Year:
2023,
Volume and Issue:
19, P. e02435 - e02435
Published: Aug. 30, 2023
There
is
much
agriculture
and
non-agricultural
waste
that
contains
pozzolanic
material,
which
can
be
recommended
to
use
as
a
partial
replacement
for
Ordinary
Portland
Cement
(OPC).
One
of
the
products
from
sugar
industries,
possess
properties,
Sugar
Cane
Bagasse
Ash
(SCBA).
Because
negative
impact
associated
with
cement
production,
OPC
being
replaced
by
several
supplementary
cementitious
materials
/
materials.
In
current
study,
an
effort
has
been
made
SCBA
partially
replacing
mortar
studies.
processed
enhance
chemical
physical
properties.
Processed
(PSCBA)
up
30%
5%
increment.
PSCBA
blended
different
proportions
cement:
river
sand
1:3,
1:4,
1:5
water-to-binder
(W/B)
ratios
based
on
flow
Experimental
research
was
done
determine
effects
W/B
ratio,
sand,
formation
cube
compressive
strength
curing
times
7,
14,
28,
56,
112
days.
An
increase
in
about
6.4%,
9.3%,
8.2%
1:4
28
days
reported.
Based
investigational
results,
coefficients
various
relationships
proposed
researchers
have
calculated
binder:
ratio
1:3
period.
Various
relationships,
including
Abraham,
Feret,
Singh,
Bolomey
law
are
used
validate
mixes
periods.
A
novel
relation
developed
through
extension
studies
forecast
times.
Abstract
The
importance
of
using
natural
materials
in
the
construction
field
within
framework
sustainable
and
environmentally
friendly
approaches
is
increasing
day
by
day.
In
this
context,
study
was
aimed
to
develop
a
hemp
fiber‐based
insulating
building
material.
boron
doped
fibers
were
characterized
thermogravimetric
differential
thermal
analysis
(DTA/TGA)
emission
environmental
scanning
electron
microscopy
(FE‐ESEM).
produced
mixing
undoped,
10%
15%
boric
acid
separately
with
lime.
fiber:binder
ratio
determined
as
1:4
weight
all
samples.
To
determine
acoustic
properties
samples;
conductivity
test
heat
flow
plate
method,
sound
absorption
transmission
loss
tests
impedance
tube
method
carried
out.
order
mechanical
strength
materials,
three‐point
bending
performed.
As
result
analyses,
coefficients
samples
fibers,
which
are
solution,
0.0935,
0.1926,
0.1863
W/mK,
respectively;
noise
reduction
(NRCs)
measured
0.425,
0.443,
0.385,
highest
values
recorded
27.17,
33.50,
46.92
dB,
flexural
(
σ
f
)
1.922,
1.992,
2.578
MPa,
respectively.
Construction and Building Materials,
Journal Year:
2023,
Volume and Issue:
399, P. 132568 - 132568
Published: July 24, 2023
Vibration
reduction
and
structure-borne
sound
insulation
create
a
healthy
environment
in
housing
by
reducing
the
exposure
of
habitants
from
sources
outside
or
inside
building
(railway
road
traffic,
neighbors).
Current
solutions
include
textiles,
polymer
foams,
rubber
mats
metal
springs,
but
for
many
applications,
highly
sought
after.
Although
thermal
drives
silica
aerogel
market,
acoustic
applications
are
increasingly
gaining
attention.
Most
studies
focus
on
airborne
absorption,
vibration
isolation
remain
unexplored.
In
this
paper,
we
compare
vibroacoustic
properties
granules
to
those
recycled
expanded
cork
assess
suitability
damping
isolation.
With
remarkably
low
resonance
frequency
(<12
Hz)
dynamic
stiffness
(<0.1
N/mm3),
aerogels
provide
superior
performance
compared
(by
8
dB)
over
wide
range
static
loads
(0.02–0.12
MPa),
may
become
viable
solution
construction.
