Civilla Jurnal Teknik Sipil Universitas Islam Lamongan,
Год журнала:
2022,
Номер
7(2), С. 205 - 205
Опубликована: Окт. 31, 2022
Porous
asphalt
is
a
type
of
pavement
designed
to
increase
the
coefficient
friction
on
surface.
The
porous
functions
as
drainage
drain
water
in
top
layer
vertically
and
horizontally.
method
used
this
research
an
experimental
by
making
different
tests
laboratory.
Stages
works
include
examining
60/70
penetration
bitumen,
aggregate
testing,
mixing,
preparation
sample
with
variation
level
5%,
5.5%,
6%,
6.5%,
7%
2x50
Marshall
compaction.
Volumetric
measurement
testing
get
optimum
level.
next
test
cantabro
test,
permeability
ITS
UCS
at
As
results
study,
it
was
obtained
that
value
6.15%,
characteristics,
namely
stability
636.32
kg
(specification
min.
500
kg),
Flow
4.0
mm
(specifications
2-6
mm),
Quotient
159.15
kg/mm
max.
400
kg/mm),
VIM
19.828%
18-25%).
At
samples
gave
Cantabro
17.90%
20%),
vertical
horizontal
values
0.145
0.152
cm/sec
0.1-0.5
cm/sec),
158.88
kPa,
916.343
kPa.
Road Materials and Pavement Design,
Год журнала:
2024,
Номер
unknown, С. 1 - 27
Опубликована: Дек. 16, 2024
The
internal
void
structure
of
porous
asphalt
concrete
(PAC)
is
crucial
for
its
drainage
performance.
This
study
employs
X-ray
CT
scanning
and
image
processing
techniques
to
analyze
key
microscopic
parameters
PAC,
including
porosity,
number
voids,
equivalent
diameter,
fractal
dimension.
evolution
these
under
clogging
cleaning
conditions
investigated.
A
predictive
model
the
permeability
coefficient
PAC
established
based
on
findings.
Results
indicate
that
distribution
exhibits
similar
variations
across
specimens
with
different
porosities
during
cleaning.
Notably,
voids
increases
significantly
after
clogging,
while
diameter
decreases
dimension
remains
stable.
All
are
effectively
restored
post-cleaning.
strong
correlation
exists
between
dimension,
coefficient,
ranked
from
best
worst
as:
a
0.991
model.
Civilla Jurnal Teknik Sipil Universitas Islam Lamongan,
Год журнала:
2022,
Номер
7(2), С. 205 - 205
Опубликована: Окт. 31, 2022
Porous
asphalt
is
a
type
of
pavement
designed
to
increase
the
coefficient
friction
on
surface.
The
porous
functions
as
drainage
drain
water
in
top
layer
vertically
and
horizontally.
method
used
this
research
an
experimental
by
making
different
tests
laboratory.
Stages
works
include
examining
60/70
penetration
bitumen,
aggregate
testing,
mixing,
preparation
sample
with
variation
level
5%,
5.5%,
6%,
6.5%,
7%
2x50
Marshall
compaction.
Volumetric
measurement
testing
get
optimum
level.
next
test
cantabro
test,
permeability
ITS
UCS
at
As
results
study,
it
was
obtained
that
value
6.15%,
characteristics,
namely
stability
636.32
kg
(specification
min.
500
kg),
Flow
4.0
mm
(specifications
2-6
mm),
Quotient
159.15
kg/mm
max.
400
kg/mm),
VIM
19.828%
18-25%).
At
samples
gave
Cantabro
17.90%
20%),
vertical
horizontal
values
0.145
0.152
cm/sec
0.1-0.5
cm/sec),
158.88
kPa,
916.343
kPa.
