Infrastructures,
Journal Year:
2024,
Volume and Issue:
9(11), P. 202 - 202
Published: Nov. 11, 2024
This
paper
proposes
a
method
to
investigate
the
design
properties
of
geotechnical
seismic
isolation
(GSI).
technique
has
been
object
many
research
contributions,
both
experimental
and
numerical.
However,
methods
that
may
be
used
by
practitioners
for
procedures
are
still
unavailable.
The
formulation
presented
herein
preliminary
assessments
two
important
properties:
thickness
shear
wave
velocity.
Three-dimensional
advanced
numerical
simulations
were
performed
with
state-of-the-art
platform
OpenSees
in
order
verify
analytical
on
benchmark
case
study.
elongation
ratio
taken
as
relevant
parameter
discuss
efficiency
GSI
decoupling
soil
from
structure.
main
findings
consist
assessing
dependency
parameters:
velocity
layer.
In
this
regard,
novel
was
proposed
make
can
practical
applications.
Buildings,
Journal Year:
2025,
Volume and Issue:
15(8), P. 1242 - 1242
Published: April 9, 2025
As
the
lifespan
of
many
anchored
slope
reinforcements
in
China
approaches
its
end,
there
is
an
increased
need
for
secondary
reinforcement.
This
study
addresses
interaction
between
new
and
existing
anchors,
a
critical
but
challenging
aspect.
The
introduces
Anchor
Rod
Modified
Newmark
Sliding
Block
Method
(AMNB),
which
enhances
traditional
(NSBM)
by
incorporating
maximum
anchor
rod
tension,
dynamic
tension
changes,
group
effects.
improvement
prediction
seismic
displacement
slopes
with
multiple
anchors.
AMNB
method
represents
innovation
stability
analysis,
as
it
first
to
integrate
these
interactive
factors
into
unified
framework.
Validation
through
comparison
established
permanent
calculations
analysis
three
typical
motions
show
AMNB’s
effectiveness
capturing
behaviors
under
excitation.
Additionally,
numerical
simulations
using
FLAC3D
were
conducted
validate
proposed
method.
results
indicate
that
considering
effects
changes
reduces
predicted
up
10%
compared
methods.
aligns
more
closely
simulation
results.
findings
negatively
impact
forces,
yield
accelerations,
displacements,
leading
lower
tensions
accelerations.
This,
turn,
larger
final
displacements
same
conditions.
Structural Control and Health Monitoring,
Journal Year:
2024,
Volume and Issue:
2024(1)
Published: Jan. 1, 2024
Parameter
identification
is
of
great
significance
for
the
postearthquake
performance
evaluation
structure
equipped
with
tuned
mass
damper
(TMD).
However,
soil‐structure
interaction
(SSI)
effects
have
not
been
considered
in
parameter
TMD
yet,
which
influence
dynamic
characteristics
and
seismic
responses
structures.
This
paper
aims
at
proposing
a
framework
identifying
physical
parameters
soil‐structure‐TMD
system.
Firstly,
accelerated
particle
swarm
optimization
(APSO)
algorithm
combined
search
space
reduction
(SSR)
method.
Then,
frequency
response
function
transmissibility
are
adopted
output‐input
input‐only
cases,
respectively,
simplified
mechanical
model
system
employed.
Next,
measured
used
to
identify
considering
SSI
effects.
Finally,
effectiveness
proposed
method
investigated,
influences
band
noise
pollution
on
discussed.
The
results
show
that
strategy
can
accurately
quickly.
It
worth
noting
high
bands
may
lead
estimation
error,
especially
output‐only
case.
Infrastructures,
Journal Year:
2024,
Volume and Issue:
9(11), P. 202 - 202
Published: Nov. 11, 2024
This
paper
proposes
a
method
to
investigate
the
design
properties
of
geotechnical
seismic
isolation
(GSI).
technique
has
been
object
many
research
contributions,
both
experimental
and
numerical.
However,
methods
that
may
be
used
by
practitioners
for
procedures
are
still
unavailable.
The
formulation
presented
herein
preliminary
assessments
two
important
properties:
thickness
shear
wave
velocity.
Three-dimensional
advanced
numerical
simulations
were
performed
with
state-of-the-art
platform
OpenSees
in
order
verify
analytical
on
benchmark
case
study.
elongation
ratio
taken
as
relevant
parameter
discuss
efficiency
GSI
decoupling
soil
from
structure.
main
findings
consist
assessing
dependency
parameters:
velocity
layer.
In
this
regard,
novel
was
proposed
make
can
practical
applications.
