Performance Evaluation of Asphalt-Pavement Crack-Repair Materials
Materials,
Год журнала:
2025,
Номер
18(7), С. 1611 - 1611
Опубликована: Апрель 2, 2025
Based
on
the
requirements
for
asphalt
pavement
crack
repair
materials,
five
representative
materials
were
selected
testing:
type-A
sealant,
type-B
70#
hot
asphalt,
SBS-modified
and
ambient-temperature
water-based
filler.
A
series
of
material
performance
experiments
conducted
these
materials.
Additionally,
numerical
models
developed
based
actual
structural
conditions.
Under
ambient
temperatures
0
°C,
20
50
considering
two
types
loads,
namely
static
load
dynamic
load,
shear
stress,
tensile
compressive
stress
crack-repair
structure
analyzed
in
detail.
The
state
repaired
was
specifically
examined
under
most
unfavorable
These
analyses
validated
by
comparing
with
laboratory-measured
data,
providing
important
references
application
conclusion
research
indicates
that
B-type
grouting
adhesive,
as
a
special
repair,
has
obvious
advantages
strength,
its
overall
is
best.
It
suitable
expressways,
first-class
roads,
urban
expressways.
Asphalt
heating
construction
have
economic
compared
are
low-grade
relatively
small
pressure
traffic
volume
highways,
branch
secondary
roads.
Normal-temperature
temporary
adverse
conditions
such
cracks
dampness
after
rain.
Язык: Английский
Study on Non-Destructive Testing Method of Existing Asphalt Pavement Based on the Principle of Geostatistics
Materials,
Год журнала:
2025,
Номер
18(8), С. 1848 - 1848
Опубликована: Апрель 17, 2025
In
the
context
of
rapid
advancement
reconstruction
and
expansion
projects,
there
has
been
a
significant
increase
in
demand
for
inspection
evaluation
existing
asphalt
pavements.
order
to
enhance
efficiency
effectiveness
joint
detection
using
3D
ground-penetrating
radar
falling
weight
deflectometers,
this
study
investigates
non-destructive
testing
methods
pavements
based
on
geostatistical
correlation
principles.
The
relationship
between
crack
rate
deflection
is
analyzed
group
average
values.
characteristic
sections
division
method
guideline
was
realized.
Research
prediction
Kriging
interpolation
conducted.
revealed
that
positive
index.
principle
singularity
index
can
be
employed
divide
sections.
deflectometer
capable
conducting
targeted
accordance
with
Furthermore,
superior
performance
predicting
compared
linear
demonstrated.
According
principle,
interval
slow
lane
should
not
more
than
100
m.
one
way
matrix
data
best
effect,
it
predict
limited
amount
hard
shoulder
data.
This
facilitates
analysis
changing
trend
cases
where
conditions
are
constrained.
great
significance
grasping
true
status
pavement
structure.
Язык: Английский