Study on the effect of limestone replacement by steel slag on the interface interaction between asphalt and aggregate
Construction and Building Materials,
Journal Year:
2025,
Volume and Issue:
471, P. 140709 - 140709
Published: March 12, 2025
Language: Английский
Analysis of foaming mechanism and adhesion of foam rubberised asphalt from the perspective of molecular scale
International Journal of Pavement Engineering,
Journal Year:
2024,
Volume and Issue:
25(1)
Published: Oct. 14, 2024
Rubberised
asphalt
faces
challenges
such
as
viscosity
and
construction
energy
consumption.
These
problems
can
be
ameliorated
by
the
use
of
foaming
technology.
However,
existing
studies
lack
a
microscopic-level
understanding
mechanism
interfacial
properties
foam
rubberised
asphalt.
Therefore,
this
study
used
molecular
dynamics
simulation
methods
to
establish
models
interface
models.
The
were
analysed
from
aspects
model
density,
change,
agglomeration
behaviour
adhesion
work.
Results
revealed
that
increased
temperature
water
consumption
caused
difficulties
in
volumetric
compression
model.
diffusion
aggregation
molecules
altered
distribution
other
model,
effectively
reducing
without
affecting
chemical
structure.
In
contribute
migration
mineral
surface,
which
exists
two
forms:
aggregating
within
diffusing
interface.
enhance
electrostatic
interaction
between
minerals.
due
random
nature
molecule
diffusion,
it
is
difficult
form
regular
layer
at
interface,
leads
failure
Language: Английский
Effect of moisture diffusion on the properties of rubber-modified asphalt and aggregate interface considering multiple influencing factors
Siting Chen,
No information about this author
Lei Lu,
No information about this author
Ya Gao
No information about this author
et al.
Construction and Building Materials,
Journal Year:
2024,
Volume and Issue:
449, P. 138358 - 138358
Published: Sept. 19, 2024
Language: Английский
Spatiotemporal Moisture Field
Buildings,
Journal Year:
2024,
Volume and Issue:
14(11), P. 3510 - 3510
Published: Nov. 2, 2024
For
monitoring
capillary
moisture
conduction,
the
most
important
parameter
is
conductivity
coefficient,
which
a
material
characteristic;
however,
its
use
in
practical
calculations
not
very
common.
further
development
field
of
liquid
propagation,
an
automated
measuring
apparatus
has
been
developed
and
granted
European
patent.
Its
essence
lies
detecting
water
content
based
on
well-known
physical
phenomenon:
electromagnetic
radiation
microwave
range.
The
determination
spatiotemporal
first
fundamental
step
for
describing
transportation
phenomena.
thus
created
allows
viewing
one
parameters
phenomena
as
function
moisture.
presence
building
materials
can
significantly
affect
their
properties,
such
mechanical
or
thermal–technical
characteristics.
This
may
lead
to
unacceptable
consequences,
might
only
manifest
after
certain
period
time.
In
case
multi-layered
structures,
transfer
from
another.
Therefore,
it
essential
address
this
process.
advantage
software
solution
described
by
methodology
open
communication
protocol
form
synchronized
array,
common
typical
applications
type.
principle
separating
hardware
modules
also
unusual
devices
type,
requires
independent
each
module
with
control
software.
Mutual
handled
exclusively
at
level,
making
possible
modify,
optimize,
parameterize
procedures
needed.
Upon
closer
examination
wetting
curves
various
materials,
anomalies
were
revealed
some
structures.
be
advantageously
utilized
research
newly
composite
materials.
assembled
system
instruments,
integration,
provide
foundation
application
methods
determining
parameterization
individual
processes,
well
access
data,
optimization
methodology,
entirely
different
characteristics
require
approach,
will
certainly
contribute
advancement
science
area.
Currently,
work
being
followed
extensive
studies,
yet
published
authors,
focusing
evaluate
coefficient
dependent
material’s
mass
content.
Their
specific
mathematical
programming
approaches
due
significant
volume
data
involved.
Language: Английский
Analysis of the Performance Improvement Mechanism of Foamed Rubber Asphalt Based on Micro and Macro Perspectives
Bin Ren,
No information about this author
Wei Wang,
No information about this author
Zhengtang Guo
No information about this author
et al.
Coatings,
Journal Year:
2024,
Volume and Issue:
14(12), P. 1541 - 1541
Published: Dec. 9, 2024
Foamed
rubber
asphalt
has
attracted
wide
attention
in
cold-recycled
pavement
projects
due
to
its
excellent
performance,
strong
construction
performance
and
resource
conservation,
but
the
mechanism
of
improvement
after
foaming
is
still
unclear.
In
order
explore
difference
before
foaming,
this
study
systematically
analyzed
from
nano,
micro
macro
perspectives.
Molecular
dynamics
simulation
results
show
that
density
modulus
decrease
foaming.
After
glass
transition
temperature
decreased
by
4.4
K,
free
volume
fraction
4.7%,
which
indicated
low-temperature
toughness
was
enhanced.
The
also
illustrate
enhancement
asphalt.
Rubber
are
physically
mixed
do
not
undergo
chemical
reactions.
However,
makes
particles
more
evenly
distributed,
helping
improve
fatigue
properties
Macroscopic
test
high-temperature
foamed
reduced,
while
improved.
molecular
consistent
with
experimental
results,
providing
a
comprehensive
explanation
for
performance.
Language: Английский