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.
Heliyon,
Год журнала:
2024,
Номер
10(17), С. e37005 - e37005
Опубликована: Авг. 29, 2024
So
as
to
extend
the
application
of
upper
bound
limit
analysis
for
slope
stability
in
open-pit
mine,
this
paper
analyzed
failure
mechanism
rock
mass
when
shear
occurred
based
on
plastic
mechanics
principles,
and
combined
with
discrete
mathematical
theory
least
square
principle
propose
a
visualization
method
logarithmic
spiral.
At
same
time,
was
applied
engineering
practice
cycle
algorithm
mine
proposed
through
energy
balance
conditions,
then
results
were
evaluated
reasonably
uniting
equilibrium
method.
The
show
that
spiral
is
highly
consistent
original
curve,
can
ensure
correlation
coefficient
greater
than
0.9995.
What
more,
has
superhigh
accuracy
engineering.
most
dangerous
sliding
surface
obtained
by
satisfy
requirements
velocity
separation,
which
solved
problems
during
process
evolution.
Therefore,
stronger
field
mining.
Frontiers in Earth Science,
Год журнала:
2024,
Номер
12
Опубликована: Окт. 29, 2024
In
landslide
studies,
particle
size
is
a
key
quantitative
indicator,
reflecting
the
formation
and
development
of
sliding
zone.
It
plays
crucial
role
in
understanding
mechanisms
evolutionary
processes
that
lead
to
occurrences.
Precise
measurement
crucial.
This
study
centered
on
soil
samples
from
Lanniqing
Southwest
China.
To
begin,
seven
distinct
methods
were
used
preprocess
samples.
Next,
frequency
distribution
was
measured
using
Mastersizer
2000
laser
analyzer.
Key
parameters,
including
median
size,
mean
sorting
coefficient,
skewness,
kurtosis,
then
compared
analyzed
determine
most
appropriate
preprocessing
method
for
evaluating
characteristics
The
mechanism
occurrence
subsequently
by
examining
characteristics,
mechanical
properties,
mineral
composition
results
suggested
C
provides
reliable
analysis
observed
coarsening
coarse
particles,
along
with
significant
increase
clay
content
within
zone,
indicates
surface
has
undergone
multiple
shear
compression
events.
interplay
upper
traffic
load
slope
cutting
at
front
edge
set
stage
landslide,
prompting
initial
potential
surfaces.
Rainfall
acts
as
catalyst
instability.
high
content,
combined
low-permeability
layer
rich
minerals
surface,
leads
excessive
pore
water
pressure
lubrication.
These
factors
inherently
trigger
accelerate
landslide.
