Frontiers in Earth Science,
Год журнала:
2024,
Номер
12
Опубликована: Окт. 30, 2024
The
practical
application
of
micropiles
in
landslide
reinforcement
and
prevention
advanced
before
theoretical
research,
significantly
limiting
their
promotion.
To
determine
the
damage
patterns
stress
distribution
during
sliding
failure
reinforced
shallow
landslides,
three
sets
physical
modeling
tests
were
performed.
These
examined
stability
soil
slopes
with
without
micropiles,
including
single-row
three-row
configurations.
During
tests,
foot
displacement
landslide,
top
strain
within
monitored
throughout
loading
process.
Following
was
excavated
to
observe
micropiles.
experimental
results
showed
that
pile-soil
composite
structure
formed
by
rows
together
between
them,
improved
demonstrated
effective
anti-sliding
effects.
curve
micropile
inversely
S-shaped,
peak
located
near
surface.
Within
group,
first
row
exhibited
highest
stress,
nearest
free
face
experienced
greatest
displacement.
Through
micropile-reinforced
we
identified
stages
slope’s
process
pattern
research
findings
offer
valuable
insights
into
mechanism
which
can
guide
design
construction.
Frontiers in Earth Science,
Год журнала:
2025,
Номер
13
Опубликована: Март 17, 2025
Introduction
The
monitoring
of
soil
displacement
during
highway
slope
instability
currently
faces
challenges
such
as
poor
stability,
low
accuracy,
and
high
costs.
In
this
study,
a
Micro-Electro-Mechanical
System
(MEMS)
sensor
is
proposed
for
measuring
internal
movement.
A
method
converting
MEMS-based
acceleration
signals
into
data
also
developed.
Methods
To
evaluate
the
applicability
MEMS
technology
deep
monitoring,
an
indoor
model
test
was
conducted
using
composed
gravelly
from
Jiangxi
Province
case
study.
Three
models
with
varying
gravel
contents
(20%,
40%,
60%)
were
designed
to
simulate
caused
by
instability.
Displacement
obtained
sensors
analyzed
compared
Particle
Image
Velocimetry
(PIV)
data.
Results
Discussion
results
showed
that
average
relative
errors
vertical
PIV
at
three
measurement
points
in
sliding
area
5.79%,
5.54%,
5.89%
slopes
20%,
60%
content,
respectively.
Similarly,
horizontal
6.11%,
5.21%,
4.73%.
These
findings
indicate
trends
movement
within
correspond
changes
content.
Furthermore,
relatively
small
demonstrate
its
feasibility
potential
stability
studies.
Frontiers in Earth Science,
Год журнала:
2025,
Номер
13
Опубликована: Янв. 20, 2025
The
northwest
part
of
Hubei
Province,
China,
is
characterized
by
steep
topography,
complex
geological
structures,
and
intense
precipitation,
providing
ideal
natural
conditions
for
landslide
disasters.
To
address
the
lack
integration
synthetic
aperture
radar
interferometry
(InSAR)
data
identification
latent
hazards,
in
this
study,
we
incorporated
InSAR
technology
to
identify
potential
landslides
Fang
County,
Province.
With
aid
10
ALOS-2
scenes
high-precision
digital
elevation
models
study
area,
a
displacement
rate
map
with
maximum
value
−70.6
mm/a
was
extracted.
Then,
according
optical
images,
suspected
area
delineated,
comprehensive
analysis
slope
fault
watershed
buffer
zone
performed
obtain
final
results.
Compared
existing
recognition
method,
proposed
method
integrating
can
eliminate
areas
where
are
geologically
unlikely
occur,
thereby
enhancing
efficiency
accuracy
hazard
identification.
results
were
verified
using
image
features,
which
confirmed
its
effectiveness
identifying
hazards.
research
contribute
prediction
early
warning
guide
field
investigations
Frontiers in Earth Science,
Год журнала:
2025,
Номер
13
Опубликована: Янв. 29, 2025
Micro
accelerometers
are
crucial
tools
for
monitoring
and
providing
early
warning
of
geological
disasters.
This
study
focuses
on
the
potential
debris
flow
in
Wangjiayuan,
Fang
County,
Hubei
Province,
aiming
to
explore
relationship
between
clay
content
motion
characteristics.
Physical
model
experiments
were
designed
with
varying
simulate
motion,
micro
employed
monitor
record
vibration
acceleration
changes
during
initiation
motion.
Frequency
spectra
generated
using
Fourier
transform
analyze
characteristics
frequency
domain.
The
results
showed
that
predominant
period
ranged
from
15
Hz
29
Hz,
while
middle
section
area
36
54
Hz.
Higher
particle
was
associated
a
decrease
both
range
mean
period,
as
well
reduction
amplitude
extremum.
These
findings
provide
foundation
predicting
flows,
signal
can
be
used
infer
content,
offering
insights
into
systems
such
hazards.
Frontiers in Earth Science,
Год журнала:
2025,
Номер
13
Опубликована: Март 11, 2025
The
environmental
geological
disaster
of
open-pit
mine
poses
a
great
threat
to
the
safety
surrounding
residents,
stability
urban
social
economy
and
sustainable
development
ecological
environment.
By
combining
system
theory
with
complex
network
theory,
this
study
built
evolution
model
including
45
distinct
nodes
71
connecting
edges
through
analysis
disaster-pregnant
environment,
disaster-causing
factors
disaster-bearing
body
identified
key
in
according
structural
characteristics
network.
results
indicate
that
disasters
are
composed
source
events,
chain-generated
final
events.
controlling
chain
such
as
road
disruption,
inconvenient
living
conditions
water
pollution,
or
by
cutting
off
disruption
→
traffic
obstruction,
disturb
stability,
vegetation
destruction
soil
erosion,
erosion
degradation
function,
drainage
pipe
rupture
poor
other
links
chain-generated,
can
effectively
control
cut
transmission
path
mine.
research
provide
scientific
basis
for
chain-breaking
mine,
help
ensure
mining
areas
promote
cities.
Frontiers in Earth Science,
Год журнала:
2025,
Номер
13
Опубликована: Март 28, 2025
Driven
by
rainfall
and
excavation,
frequent
landslides
in
southwestern
China
pose
a
serious
threat
to
lives
property.
This
study
uses
advanced
small
baselines
subset-interferometric
synthetic
aperture
radar
(SBAS-InSAR)
time
series
analysis
method
Sentinel-1
satellite
data,
combined
with
numerical
simulation
analysis,
the
deformation
stability
characteristics
of
Laoyingpan
Village
landslide
under
different
support
measures
conditions.
The
results
indicate
that
has
24°
average
slope,
covering
approximately
3.8
×
10
5
m
2
volume
about
1.3
7
3
an
“arm-chair”
shape
oriented
at
106°.
Excavation
are
key
factors
impacting
stability,
causing
significant
deformation,
especially
on
left
side
translational
failure.
SBAS-InSAR
indicates
maximum
subsidence
rate
25
mm/month
lower
slope
sections.
Under
extreme
rainfall,
coefficient
dropped
from
1.160
0.871,
transitioning
stable
unstable
before
stabilizing
after
60
h
due
submergence.
implementation
anti-slide
piles
anchor
cables
improved
reaching
1.745
optimal
parameters,
recommending
approach
for
effective
management.
can
provide
useful
reference
guidance
engineering
prevention
landslides.
Sustainability,
Год журнала:
2025,
Номер
17(9), С. 4176 - 4176
Опубликована: Май 6, 2025
Landslide
hazards
on
roadbed
slopes
pose
significant
safety
risks,
leading
to
casualties,
property
losses,
and
environmental
damage.
With
the
rapid
expansion
of
global
railway
highway
construction,
slope
stability
has
become
a
critical
research
focus.
However,
systematic
reviews
prospective
studies
based
bibliometric
analysis
in
this
field
remain
limited;
such
lack
is
likely
lead
lag
theoretical
development
field.
To
address
gap,
study
analyzes
453
papers
from
2014
2023
using
Web
Science
(WOS)
core
collection
tools
like
VOSviewer,
CiteSpace,
Bibliometrix
R.
This
focuses
following:
(i)
Visualizing
trends
through
knowledge
graphs,
covering
document
quantity,
authors,
countries,
keywords.
(ii)
The
objectives,
methods,
specific
objects,
conditions
literature
are
categorized
discussed,
limitations
numerical
simulation
other
shortcomings
pointed
out.
(iii)
Future
directions,
focusing
actual
working
utilizing
advanced
flexible
subroutine
functions
simulate
complex
with
multi-physical
coupling,
discussed
ensure
accuracy
sustainability
road
construction
development.
paper
can
help
scholars
comprehensively
quickly
understand
status
hotspots
research,
view
providing
support
for
future
exploration.
