Case Studies in Construction Materials,
Год журнала:
2024,
Номер
20, С. e02917 - e02917
Опубликована: Янв. 26, 2024
The
development
and
improvement
of
cementless
concrete,
including
by
use
various
types
refuse,
is
especially
important
due
to
their
economic
environmental
efficiency.
Sulfur
as
a
refuse
the
oil
gas
industry
can
act
production
binder
new
environmentally
friendly
building
material
-
sulfur
concrete
(SC).
purpose
study
was
improve
effective
designs
SC
containing
from
stone
processing
industries,
analyze
rheological
physical
mechanical
appearances.
Methods
laboratory
testing
samples,
well
microscopic
analysis
its
structure,
were
applied.
with
best
values
compressive
strength
(CS)
water
occlusion
has
following
formula
according
content
main
components:
20%
mass;
flour
10%
crushed
40%
sand
30%
bitumen
modifying
additive
6%
weight
sulfur.
mobility
these
combinations
enhanced
up
2.2
times
adding
addition
formulations.
Compared
control
design,
optimal
design
modified
presented
an
enhancement
in
CS
105%
reduction
70%.
structure
samples
does
not
have
shrinkage
cavities
pronounced
phase
boundaries,
contrast
design.
Developments in the Built Environment,
Год журнала:
2023,
Номер
16, С. 100284 - 100284
Опубликована: Ноя. 30, 2023
Researchers
seek
sustainable
materials
for
eco-friendly
cement
and
concrete
to
reduce
CO2
emissions.
This
paper
offers
an
extensive
overview
of
the
research
conducted
on
technology
with
minimal
zero-carbon
review
reviews
technologies
lowering
construction
industry's
carbon
footprint,
focusing
alternative
binders
supplementary
cementitious
(SCMs).
Additionally,
explores
transformative
potential
capture
utilization
sustainability.
It
also
explored
life
cycle
assessments,
economic
aspects,
financial
implications
this
technology.
Overall,
summarizes
low-carbon
in
context
development
climate
change
mitigation.
has
been
found
that
substituting
SCMs
reduces
emissions
without
compromising
strength
durability.
Materials
such
as
slag,
metakaolin,
calcined
clay,
limestone
can
replace
clinker,
eliminating
production.
study
highlights
challenges,
including
market
adoption
material
availability,
offering
insights
successful
implementation.
Developments in the Built Environment,
Год журнала:
2023,
Номер
16, С. 100273 - 100273
Опубликована: Ноя. 15, 2023
Comprehending
civil
engineer's
crucial
role
in
promoting
sustainable
construction
practices
is
becoming
increasingly
essential
as
the
globe
faces
severe
environmental
and
economic
concerns.
This
study
discusses
pivotal
concrete
construction,
highlighting
need
for
their
expertise
creating
environmentally
friendly
resilient
infrastructure.
The
manuscript
further
importance
of
procurement
rules
endorsing
development,
emphasizing
well-crafted
policies
guidelines
that
incentivize
eco-friendly
practices.
possible
collaborative
efforts
between
engineers
policymakers
are
highlighted
a
fundamental
driver
construction.
Furthermore,
emergence
low-carbon
3D
printing
technology
also
explored
an
innovative
technique
addressing
its
potential
to
reduce
carbon
emissions
enhance
efficiency.
Moreover,
valuable
insights
future
research
directions
opportunities
identified
encourage
investigation
advancing
Buildings,
Год журнала:
2024,
Номер
14(1), С. 136 - 136
Опубликована: Янв. 4, 2024
Over
the
last
decades,
cement
has
been
observed
to
be
most
adaptive
material
for
global
development
in
construction
industry.
The
use
of
ordinary
concrete
primarily
requires
addition
cement.
According
record,
there
an
increase
direct
carbon
footprint
during
production.
International
Energy
Agency,
IEA,
is
working
toward
net
zero
emissions
by
2050.
To
achieve
this
target,
should
a
decline
clinker-to-cement
ratio.
Also,
deployment
innovative
technologies
required
production
alternative
binding
materials
can
easy
solution.
There
are
several
options
substitute
as
agent,
which
available
commercially.
Non-crystalline
alkali-aluminosilicate
geopolymers
have
gained
attention
researchers
over
time.
Geopolymer
uses
byproduct
waste
reduce
dioxide
Despite
being
advantageous,
its
utilization
still
limited
it
shows
quasi-brittle
behavior.
Using
different
fibers
started
overcome
weakness.
This
article
emphasizes
and
reviews
various
mechanical
properties
fiber-reinforced
geopolymer
concrete,
focusing
on
implementation
wide
range
applications.
study
concludes
that
commercialized
after
establishment
proper
standards
manufacturing.
Journal of Building Engineering,
Год журнала:
2024,
Номер
84, С. 108631 - 108631
Опубликована: Янв. 24, 2024
This
study
investigated
electric
arc
furnace
oxidizing
slag
(EOS)
and
reducing
(ERS),
byproducts
of
the
steelmaking
industry,
as
partial
replacements
for
ordinary
Portland
cement
(OPC)
in
a
CO2
curing
environment.
Carbonation
depth,
compressive
strength,
mercury
intrusion
porosimetry,
X-ray
diffraction,
thermogravimetry,
microhardness
analyses
were
performed,
sequestered
total
content
was
quantified
on
pastes
containing
30
%
EOS
(EOS-P)
ERS
(ERS-P).
EOS-P
ERS-P
more
deeply
carbonated
than
OPC
paste
(OPC-P).
enhanced
strengths
ERS-P,
its
effect
pronounced
ERS-P.
cured
with
6
days
showed
2.38-
1.20-times
higher
strength
normally
OPC-P,
respectively.
The
carbonation
associated
inherent
minerals
(γ-C2S
merwinite)
raw
ERS.
35.5
g
per
50
mm
cubic
specimen,
which
1.16
1.14
times
development
under
condition
owing
to
formation
CaCO3
by
carbonation.
Case Studies in Construction Materials,
Год журнала:
2024,
Номер
20, С. e02930 - e02930
Опубликована: Фев. 2, 2024
The
article
provides
a
comprehensive
overview
of
the
research
utilizing
waste
engine
oil
(WEO)
in
asphalt
binders
for
multiple
application
purposes
and
economic
environmental
implications.
It
covers
various
types
sources
WEO
information
on
their
characteristics
process
preparing
WEO-asphalt
binders.
study
collects
effects
different
applications,
including
modification,
aged
rejuvenation,
self-healing
agents,
composites.
also
discusses
work
appraisal
associated
with
wide
utilization.
exhibits
both
positive
negative
influences
properties.
Generally,
it
improves
performance
at
low
temperatures,
specifically
terms
reducing
issues
like
thermal
cracking
enhancing
fatigue
resistance.
However,
may
have
impact
modified
high
temperatures.
WEO,
due
to
its
concentration
light
components,
enhances
overall
asphalt.
integration
reclaimed
can
enhance
crack
resistance,
which
however
highly
relies
added
quantity.
Future
should
be
prioritized
understand
binder
compatibility
between
rejuvenator
compound
asphalt,
effect
durability
mixes.
In
addition,
field
investigation
analyse
are
required
bigger,
inclusive
more
detailed
picture
impacts.
Ain Shams Engineering Journal,
Год журнала:
2023,
Номер
15(2), С. 102548 - 102548
Опубликована: Дек. 28, 2023
Nowadays,
special
concrete-like
self-compacting
concrete
(SCC)
requires
sustainability
by
introducing
recycled
aggregates
as
a
partial
replacement
for
natural
aggregate.
Technological
development
initiatives
in
the
construction
sector
estimate
28
days'
compressive
strength
before
casting
due
to
faster
requirement;
one
method
selected
is
an
artificial
neural
network.
From
works
of
literature,
515
mixed
design
are
collected
and
utilized
training,
validation,
testing
data
prepare
models.
Different
applications
SCC
require
different
strengths
concrete.
Based
on
control
mix
strength,
designs
grouped
into
three
families
low,
medium,
high
apart
from
common
family.
The
correlation
between
input
output
variables
analyzed.
ANOVA
analyses
done
parameters.
Coefficient
relation
(R2)
used
sensitive
assessment
results
family
I
(R2
=
0.9299),
II
0.824),
III
0.8775),
IV
0.7991).
Two
further
sensitivity
indicate
that
parameters'
influence
varies
families.
