Materials Research Express,
Год журнала:
2024,
Номер
11(11), С. 115503 - 115503
Опубликована: Ноя. 1, 2024
Abstract
In
contrast
to
conventional
hot
mix
asphalt
technology
(HMA),
warm
(WMA)
permits
the
mixing
and
compaction
of
mixture
at
lower
temperatures.
This
innovative
approach
is
characterized
by
significant
energy
savings
reduced
emissions,
making
it
a
sustainable
choice
for
production.
paper
used
coal
gangue
prepare
WMA
additive.
By
leveraging
free
water
in
its
zeolite-like
structure,
which
evaporates
upon
heating,
bubbles
form
within
bitumen.
causes
bitumen
expand
lose
viscosity,
thereby
achieving
purpose
mixing.
Both
achieve
decline
mixture’s
temperature
provide
an
effective
method
utilizing
resources.
It
helps
mitigate
environmental
hazards
associated
with
massive
accumulation
gangue,
including
soil
contamination
resource
pollution.
Therefore,
based
on
alkali
activation
theory,
this
aimed
develop
novel
geopolymer
(CG)
CG
was
through
microscopic
testing
analysis
storage
stability.
The
impact
varying
dosages
performance
examined.
foaming
test
elucidated
mechanism
behavior
CG.
Additionally,
road
analyzed.
findings
indicate
that
has
abundant
pore
structures,
providing
space,
as
additive
exhibits
good
stability
ambient
temperature.
When
dosage
5%
mass
bitumen,
viscosity
130∼140
°C
appropriate,
results
performance.
Compared
HMA,
range
20∼50
°C.
Case Studies in Construction Materials,
Год журнала:
2024,
Номер
20, С. e03097 - e03097
Опубликована: Март 26, 2024
To
reduce
automobile
exhaust,
self-purified
asphalt
concrete
was
prepared
with
a
tourmaline/biochar/diatomite
(TBD)
purifying
agent.
The
road
performance
of
clarified.
purification
effect
on
exhaust
explored,
and
the
efficiency
mechanism
revealed.
results
indicated
that
high-temperature
water
stability
improved,
while
low-temperature
first
improved
then
decreased
increase
TBD
content.
best
content
20%.
rate
increased
increasing
temperature.
maximum
rates
for
CO,
CO2,
NOx,
HC
were
34.31%,
37.87%,
61.79%,
44.79%,
respectively.
in
height.
At
different
heights,
has
distribution
42.3%-55.85%.
adsorbed
through
porous
structure
degraded
it
by
spontaneous
polarization
effect.
