Fırat Üniversitesi Mühendislik Bilimleri Dergisi,
Год журнала:
2024,
Номер
36(2), С. 935 - 944
Опубликована: Сен. 29, 2024
This
study
investigated
the
thermal
properties
of
autoclaved
aerated
concrete(AAC)
wall
sections
constructed
with
distinct
mortars.
Within
scope
study,
four
25x25x5cm
dimensions
were
created
using
AAC
special
adhesive
mortar,
cement
lime
mortar
and
cement-lime
mortar.
The
conductivity(λEXP)
that
was
determined
by
heat
flow
meter(HFM)
method
bulk
density(ρEXP)
each
section
in
laboratory.
Specific
values(cEXP)
mortars
concrete
material
experimentally
study.
diffusivity
value(αEXP),
effusivity
value(eEXP)
volumetric
capacity(VHCEXP)
sample
calculated
experimental
data
obtained
In
addition,
αTEO,
eTEO
VHCTEO
theoretically
conductivity,
density
specific
value
given
literature
standards
for
same
sections.
compared
to
theoretical
data.
As
a
result,
walls
differences
formed
due
effect
these
could
be
However,
it
observed
insufficient
detect
differences.
Applied Sciences,
Год журнала:
2024,
Номер
14(21), С. 9775 - 9775
Опубликована: Окт. 25, 2024
Recycled
powder
(RP)
is
the
primary
by-product
generated
during
reclamation
process
of
construction
and
demolition
waste
(CDW).
There
existing
literature
on
use
RP
as
supplemental
cementitious
materials
(SCMs)
in
cement-based
materials,
but
a
comprehensive
evaluation
characteristics
from
concrete
has
been
missing
until
now.
This
paper
critically
reviews
makes
up
significant
amount
CDW
other
components
have
designated
recycling
methods.
In
this
sense,
study
conducted
critical
analysis
an
SCM,
using
detailed
research.
The
technology
used
for
producing
along
with
its
chemical,
mineralogy,
microstructural
characteristics.
Fresh-state
properties
matrices
are
introduced
view
mechanical
grinding,
thermal
activation,
carbonation,
chemical
treatment,
biomineralization,
mineral
addition,
nano
carbonation.
review
highlights
potential
utilizing
materials.
Specifically,
can
be
advantageously
utilized
production
value-added
Case Studies in Construction Materials,
Год журнала:
2024,
Номер
21, С. e03578 - e03578
Опубликована: Июль 29, 2024
Recycled
foam
concrete
(RFC)
possessed
excellent
energy
absorption
capabilities
and
could
be
used
in
the
anti-collision
field.
To
address
insufficient
performance
of
existing
guardrails,
this
paper
presented
a
novel
RFC
beam
guardrail
by
combining
with
box-shaped
steel
shells.
The
quasi-static
compressive
tests
drop
hammer
impact
were
applied
to
analyze
static
dynamic
mechanical
characteristics
different
densities
sand-cement
ratios.
Then,
vehicle
collision
(RBG)
standard
(SBG)
was
tested
LS-DYNA.
results
showed
that,
compared
SBG,
RBG
had
better
guiding
effects,
reduced
peak
vehicular
acceleration
44.15
%
maximum
displacement
73.22
during
collisions,
mitigated
damage
vehicle.
Therefore,
it
is
viable
way
utilize
fabricate
RBG,
which
not
only
repurpose
construction
demolition
wastes
(CDW)
but
also
acquire
guardrails
enhanced
performance.