A comprehensive study of building materials and bricks for residential construction
Construction and Building Materials,
Год журнала:
2024,
Номер
425, С. 135931 - 135931
Опубликована: Апрель 1, 2024
Язык: Английский
Valorisation of coffee husk as replacement of sand in alkali-activated bricks
Case Studies in Construction Materials,
Год журнала:
2024,
Номер
21, С. e03440 - e03440
Опубликована: Июнь 19, 2024
The
coffee
industry
is
known
to
generate
voluminous
amount
of
waste
during
its
production
process.
Different
types
such
as
hush
ash
and
spent
ground,
name
a
few,
have
been
extensively
researched
substitute
in
the
construction
industry.
However,
utilization
husk
for
materials
has
seen
limited
exploration.
In
particular,
there
are
no
studies
which
investigate
(WCH)
alkali-activated
bricks.
Therefore,
this
research
WCH
was
employed
sand
Alkali-activated
bricks
were
synthesized
with
ground
granulated
blast
furnace
slag
(GGBFS),
fly
(FA),
sand,
sodium
silicate
solution
(SS).
Sand
replaced
at
replacement
rates
0
%,
5
10
15
20
30
%
by
volume.
developed
evaluated
strength,
density,
water
absorption,
porosity,
efflorescence.
Additionally,
structural
morphological
characteristics
assessed
Fourier-transform
infrared
spectroscopy
(FTIR),
X-ray
diffraction
(XRD),
Thermogravimetric
analysis
(TGA),
Scanning
electron
microscopy
(SEM)
analysis.
results
indicate
that
improve
compressive
strength
maximum
value
15.7
MPa,
reduce
density
minimum
1509
kg/m3
composites
WCH,
respectively.
absorption
porosity
increased
incorporation
due
porous
structure
WCH.
physico-chemical
shows
effective
geopolymerization
composite
system
further
depict
thermal
stability
insignificant
weight
loss
575
℃.
Finally,
classify
good
quality
per
IS
1077:
1992
specifications,
will
practical
feasibility
Язык: Английский
The Enhancement Mechanism for Effect of Silane Coupling Agent Modification of Polypropylene‐Based Disposable Medical Masks on the Performance of Fly Ash‐Based Geopolymer
Journal of Applied Polymer Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 19, 2025
ABSTRACT
Incorporation
of
disposable
medical
masks
(DMMs)
can
improve
the
basic
mechanical
performance
and
crack
resistance
geopolymer
composite
(GPC).
To
interfacial
bonding,
DMMs
were
chemically
modified
using
four
silane
coupling
agents:
KH550
(aminopropyl‐triethoxysilane),
KH560
(glycidyletheroxypropyl‐trimethoxysilane),
KH570
(3‐methacryloxypropyltrimethoxysilane),
KH792
(N‐(β‐aminoethyl)‐γ‐aminopropyltrimethoxysilane).
Macroscopic
tests
performed
to
assess
compressive
flexural
strengths
GPC.
Additionally,
microstructural
carried
out
Fourier
transform
infrared
spectroscopy
(FTIR),
Stereomicroscope,
Scanning
electron
microscope
(SEM)
gain
deeper
insights
into
modification
effects.
Results
showed
that
all
agents
enhanced
hydrophilicity
significantly
improved
overall
composites.
Among
them,
demonstrated
most
effective
modification.
The
28‐day
GPC
incorporating
KH560‐treated
reached
49.91
MPa
6.55
MPa,
respectively,
which
8.12%
30.22%
higher
than
those
containing
untreated
DMMs.
FTIR
SEM
analyses
revealed
enhancement
mechanism
involved
physicochemical
interactions
between
matrix,
led
stronger
bonding
performance.
Язык: Английский
Recycled Surgical Mask Waste as a Resource Material in Sustainable Geopolymer Bricks
Recycling,
Год журнала:
2023,
Номер
8(6), С. 93 - 93
Опубликована: Ноя. 19, 2023
With
the
advent
of
COVID-19
pandemic,
global
consumption
single-use
surgical
masks
has
risen
immensely,
and
it
is
expected
to
grow
in
coming
years.
Simultaneously,
disposal
environment
caused
plastic
pollution,
therefore,
exigent
find
innovative
ways
handle
this
problem.
In
study,
were
processed
a
laboratory
using
mechanical
grinding
method
obtain
recycled
(RSM).
The
RSM
was
added
doses
0%,
1%,
2%,
3%,
4%
by
volume
geopolymer
bricks,
which
synthesized
with
ground
granulated
blast
furnace
slag
(GGBS),
rice
husk
ash
(RHA),
sand,
sodium
silicate
(Na2SiO3)
at
ambient
conditions
for
duration
28
days.
developed
bricks
tested
compressive
strength,
flexural
density,
water
absorption,
efflorescence,
drying
shrinkage.
results
study
reveal
that
strength
improved
inclusion
bricks.
highest
values
5.97
MPa
1.62
RSM,
respectively.
Further,
reduction
self-weight
noticed
an
increase
RSM.
There
no
pronounced
effect
on
absorption
efflorescence
properties.
However,
played
role
reducing
shrinkage
sustainability
analysis
divulges
catalytic
improving
material
performance,
thereby
proving
be
potential
candidate
low-carbon
construction
industry.
Язык: Английский
Compressed Earth Blocks with Disposed Polypropylene Masks (COVID-19)
Revista de Gestão Social e Ambiental,
Год журнала:
2024,
Номер
18(12), С. e09772 - e09772
Опубликована: Дек. 5, 2024
Objective:
The
aim
of
this
research
is
to
assess
the
feasibility
incorporating
processed
COVID-19
masks
into
Compressed
Earth
Blocks
(CEBs),
with
goal
providing
a
sustainable
disposal
solution
for
these
materials.
Theoretical
Framework:
This
section
presents
concepts
soil-cement
mixtures
and
polypropylene
reinforcement,
solid
foundation
understanding
context
research.
Method:
experimental
methodology
involved
processing
manufacturing
CEBs.
compressive
strength
CEBs
produced
without
was
tested.
Results
Discussion:
were
using
thermal
mechanical
energy,
resulting
in
fragments
that
compatible
granular
particles.
Furthermore,
not
significantly
affected.
Research
Implications:
practical
implications
are
related
environmentally
correct
masks,
contributing
various
Sustainable
Development
Goals.
Originality/Value:
use
compressed
earth
blocks
novel
promising.
From
technical
perspective,
it
noteworthy
there
no
loss
strength.
an
environmental
incorporated
construction
material
widely
used
types
construction.
Язык: Английский