Journal of Rock Mechanics and Geotechnical Engineering,
Journal Year:
2023,
Volume and Issue:
16(1), P. 231 - 241
Published: April 12, 2023
Monitoring
shear
deformation
of
sliding
zones
is
great
significance
for
understanding
the
landslide
evolution
mechanism,
in
which
fiber
optic
strain
sensing
has
shown
potential.
However,
correlation
between
measurements
quasi-distributed
Bragg
grating
(FBG)
arrays
and
displacements
surrounding
soil
remains
elusive.
In
this
study,
a
direct
model
test
was
conducted
to
simulate
zones,
internal
captured
using
FBG
sensors
surface
measured
by
particle
image
velocimetry
(PIV).
The
results
show
that
there
were
two
main
slip
surfaces
secondary
ones,
developing
spindle-shaped
band
soil.
formation
successfully
sensors.
A
sinusoidal
proposed
describe
cable
behavior.
On
basis,
widths
calculated
measurements.
This
work
provides
important
insight
into
deduction
soil-embedded
Georisk Assessment and Management of Risk for Engineered Systems and Geohazards,
Journal Year:
2023,
Volume and Issue:
17(1), P. 169 - 180
Published: Jan. 2, 2023
Due
to
complex
interactions
between
immersed
tunnel
and
surrounding
environment,
it
is
difficult
apply
theoretical
analysis
for
axial
displacement
(DIS)
of
immersion
joints.
To
develop
a
generalised
model
DIS
prediction,
Deep
Neural
Network
(DNN)
could
be
considered.
However,
the
spatial
generalisation
black-box
DNN
models
not
always
convincible
small
data.
In
this
study,
we
proposed
novel
hybrid
physical
data
(HPD)
informed
with
improved
prediction
DIS.
The
mechanism
firstly
analysed
by
correlation
other
monitoring
HPD
then
created
based
on
contributes
as
substituting
feature
rather
than
an
additional
feature.
Three
fed
different
groups
features
are
compared,
while
HPD-DNN
has
outperformed
others
in
terms
both
well
accuracy.
permutation
importance
reveals
that
effectively
enhanced
interpretation
DNN,
which
supports
results
stated
analysis.
application
further
verified
enhance
only
but
also
models,
promising
insufficient
problems
geotechnical
engineering.
Journal of Rock Mechanics and Geotechnical Engineering,
Journal Year:
2024,
Volume and Issue:
16(4), P. 1411 - 1424
Published: Jan. 9, 2024
Recently,
the
application
of
Bayesian
updating
to
predict
excavation-induced
deformation
has
proven
successful
and
improved
prediction
accuracy
significantly.
However,
ground
settlement
profile,
which
is
crucial
for
determining
potential
damage
nearby
infrastructures,
received
limited
attention.
To
address
this,
this
paper
proposes
a
physics-guided
simplified
model
combined
with
framework
accurately
profile.
The
advantage
that
it
eliminates
need
complex
finite
element
modeling
makes
user-friendly.
Furthermore,
physically
interpretable,
can
provide
valuable
references
construction
adjustments.
effectiveness
proposed
method
demonstrated
through
two
field
case
studies,
showing
yield
satisfactory
predictions
Journal of Rock Mechanics and Geotechnical Engineering,
Journal Year:
2023,
Volume and Issue:
16(1), P. 231 - 241
Published: April 12, 2023
Monitoring
shear
deformation
of
sliding
zones
is
great
significance
for
understanding
the
landslide
evolution
mechanism,
in
which
fiber
optic
strain
sensing
has
shown
potential.
However,
correlation
between
measurements
quasi-distributed
Bragg
grating
(FBG)
arrays
and
displacements
surrounding
soil
remains
elusive.
In
this
study,
a
direct
model
test
was
conducted
to
simulate
zones,
internal
captured
using
FBG
sensors
surface
measured
by
particle
image
velocimetry
(PIV).
The
results
show
that
there
were
two
main
slip
surfaces
secondary
ones,
developing
spindle-shaped
band
soil.
formation
successfully
sensors.
A
sinusoidal
proposed
describe
cable
behavior.
On
basis,
widths
calculated
measurements.
This
work
provides
important
insight
into
deduction
soil-embedded
