Vibration,
Journal Year:
2024,
Volume and Issue:
7(1), P. 64 - 82
Published: Jan. 16, 2024
Low-income
regions
do
not
have
the
economic
strength
to
use
conventional
isolators;
therefore,
low-cost
alternatives
are
needed.
The
recent
series
of
earthquakes
in
Turkey
has
once
again
demonstrated
destructive
power
this
natural
disaster
and
highlighted
need
for
high-quality
earthquake-resistant
structures.
In
context,
a
comprehensive
experimental
parametric
study
on
stone
pebbles
(ASL-1)
combination
with
geogrid
layer
(ASL-2)
as
suitable
materials
GSI
system
is
conducted
main
results
presented.
seismic
behavior
five
different
models
was
tested
using
four
acceleration
diagrams
peak
ground
accelerations
(PGAs).
Characteristic
displacements,
accelerations,
strains
were
measured.
conclusions
presented
based
integration
synthesis
several
previously
studies.
Case Studies in Construction Materials,
Journal Year:
2023,
Volume and Issue:
18, P. e01859 - e01859
Published: Jan. 18, 2023
A
large
quantity
of
end-of-life
tire
(ELT)
rubber
is
being
blended
with
thermoplastic
polyurethane
to
provide
a
durable
and
ecologically
friendly
material
for
flexible
surfaces,
while
significant
elastomeric
waste
(left-over
cut-outs)
also
generated.
These
materials
can
be
used
efficiently
seismic
isolation
vibration
damping
at
minimal
cost,
process
known
as
frugal
innovation.
In
this
regard,
(TPE)
material,
which
polyurethane-coated
(PUcR),
obtained
from
the
recycling
industry,
explored
in
study.
Herein,
we
targeted
evaluate
stiffness
energy
dissipation
capabilities
TPE
or
PU-coated
rubber,
which,
best
our
knowledge,
has
never
been
reported
before.
To
that
end,
series
cyclic
triaxial
tests
were
carried
out
on
rubber-soil
mixtures.
comparison
untreated
mixtures,
shear
modulus
mixtures
reduces
by
5.5–12.7%,
ratio
increases
up
12.6%.
Bulletin of Earthquake Engineering,
Journal Year:
2023,
Volume and Issue:
21(8), P. 4037 - 4063
Published: March 18, 2023
Abstract
Soil
liquefaction
is
a
phenomenon
associated
with
strong
earthquakes
and
it
can
affect
large
areas.
High-rise
low-rise
buildings,
residential
structures
typically
of
1–2
storeys,
may
be
equally
prone
to
the
destructive
consequences
liquefaction.
For
case
high-rise
expensive
solutions
like
well-designed
piles
ground
improvement
used.
However,
in
smaller
structures,
this
not
economically
viable.
To
purpose,
current
research
explores
effectiveness
novel
proposed
low-cost
protection
technique,
where
soil
underneath
foundation
replaced
by
sand-tire
chip
mixture
base
reaching
down
certain
depth.
Series
triaxial
shaking
table
tests
were
performed
for
range
parametric
scenarios
to,
mainly
mechanistically,
assess
such
mitigation
since
similar
previous
studies
are
extremely
limited.
The
have
shown
that
closest
considered
surface,
thicker
higher
tire
ratio,
more
effective
become
on
controlling
pore
pressure
rise
leads
Australian Journal of Structural Engineering,
Journal Year:
2023,
Volume and Issue:
24(4), P. 265 - 278
Published: June 29, 2023
Base
isolation
is
a
low-damage
seismic
design
strategy
that
can
be
used
for
constructing
resilient
structures.
Geotechnical
(GSI)
new
category
of
emerging
base
techniques
has
attracted
global
interest
in
the
past
decade.
Research
on
GSI
based
rubber-soil
mixtures
(RSM)
focused
structural
performance
under
earthquake
actions,
whilst
there
are
concerns
over
serviceability
limit
states
(SLS)
requirements
relation
to
(i)
human
comfort
strong
winds
and
(ii)
ground
settlement
gravity,
which
may
induce
cracking
durability
issues
This
article
presents
first
study
buildings
constructed
with
GSI-RSM
system.
The
finite
element
model
coupled
soil-foundation-structure
system
been
validated
by
data
recorded
from
geotechnical
centrifuge
testing.
numerical
estimates
have
also
compared
analytical
predictions.
It
concluded
satisfactorily
fulfill
SLS
requirements.
Journal of Earthquake Engineering,
Journal Year:
2024,
Volume and Issue:
28(9), P. 2422 - 2439
Published: Feb. 12, 2024
This
paper
provides
new
and
useful
insights
into
the
performance
efficiency
of
geotechnical
seismic
isolation
(GSI)
systems
with
gravel-rubber
mixtures
containing
10%,
25%
40%
volumetric
rubber
content
(VRC).
Finite
element
numerical
models
were
developed
in
OpenSees
subjected
to
sinusoidal
ground
motions
varying
input
base
acceleration
frequency.
The
best
was
attained
for
VRC
=
at
a
frequency
8
Hz.
Using
newly
GSI
index,
energy
dissipation
found
vary
between
good
excellent,
while
that
10%
is
poor.
Geosynthetics International,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 16
Published: April 12, 2025
The
rubber
sand
mixture
(RSM)
is
an
effective
seismic
isolation
material,
and
understanding
its
layered
structure
essential
for
optimizing
performance
in
geotechnical
earthquake
engineering.
This
study
investigates
the
dynamic
characteristics
of
multi-layered
RSM
composites,
identifying
optimal
content
(RC)
initial
parameters
their
use
as
buffers.
To
this
end,
a
series
resonant
column
tests
were
conducted
to
compare
differences
between
rubber-sand
(LR-S)
conventional
by
measuring
shear
modulus
damping
ratio
at
small
strain
amplitudes.
experiments
on
LR-S
involved
constructing
configurations
with
three-,
five-,
seven-layer
structures,
while
varying
RC
confining
pressure
assess
influence
composite’s
behavior.
Results
show
that
reduced
6–13
times
compared
RSM.
Additionally,
decreases
increasing
RC,
contrasting
As
rises,
ratios
pure
decrease,
whereas
increases,
akin
rubber.
demonstrates
continuous
upward
trend
strain.
These
findings
are
pivotal
designing
mitigation
underground
systems.
