Asymmetric failure mechanisms of anisotropic shale under direct shear
Chunfeng Ye,
Heping Xie,
Fei Wu
и другие.
International Journal of Rock Mechanics and Mining Sciences,
Год журнала:
2024,
Номер
183, С. 105941 - 105941
Опубликована: Окт. 31, 2024
Язык: Английский
Introducing standardized field methods for fracture-focused surface process research
Earth Surface Dynamics,
Год журнала:
2024,
Номер
12(1), С. 35 - 66
Опубликована: Янв. 5, 2024
Abstract.
Rock
fractures
are
a
key
contributor
to
broad
array
of
Earth
surface
processes
due
their
direct
control
on
rock
strength
as
well
porosity
and
permeability.
However,
date,
there
has
been
no
standardization
for
the
quantification
in
process
research.
In
this
work,
case
is
made
within
fracture-focused
research,
prior
work
reviewed
identify
various
datasets
methodologies.
Then,
suite
standardized
methods
presented
starting
“baseline”
fracture-based
research
studies.
These
have
shown
pre-existing
from
structural
geology,
geotechnical
engineering,
disciplines
comprise
best
practices
characterization
clasts
outcrops.
This
practical,
accessible,
detailed
guide
can
be
readily
employed
across
all
weathering
geomorphology
applications.
The
wide
adoption
baseline
data
collected
using
same
will
enable
comparison
compilation
among
studies
globally
ultimately
lead
better
understanding
links
feedbacks
between
fracture
landscape
evolution.
Язык: Английский
Analysis of spatial arrangement of fractures in two dimensions using point process statistics
Journal of Structural Geology,
Год журнала:
2022,
Номер
163, С. 104726 - 104726
Опубликована: Сен. 16, 2022
Here
we
present
a
methodology
that
quantifies
fracture
arrangement
in
space
as
function
of
position
(barycenters),
size
(trace
length
2D),
and
orientation
(variation
strike).
We
use
point
process
statistics
to
analyze
distances
between
barycenters
estimate
confidence
interval
for
randomness
is
compared
with
input
data.
The
can
discriminate
at
least
four
types
spatial
arrangements
identifies
preferential
associations
orientation.
apply
our
method
two
naturally
fractured
formations
show
it
determine
under
significant
statistical
confidence.
Язык: Английский
Analysis of fracture spatial distribution and fast reconstruction of discrete fracture network model based on non-parametric kernel density estimation
Engineering Geology,
Год журнала:
2025,
Номер
unknown, С. 108034 - 108034
Опубликована: Март 1, 2025
Язык: Английский
Quantitative characterisation of fracture connectivity from high-resolution borehole image logs
Marine and Petroleum Geology,
Год журнала:
2023,
Номер
155, С. 106405 - 106405
Опубликована: Июль 5, 2023
Язык: Английский
Stochastic reconstruction of fracture network pattern using spatial point processes
Geoenergy Science and Engineering,
Год журнала:
2024,
Номер
236, С. 212741 - 212741
Опубликована: Фев. 29, 2024
Язык: Английский
Characterising spatial effects of individual tree and component biomass for three typical tree species in Yunnan, China
Qinling Fan,
Hui Xu,
Dapeng Luo
и другие.
Ecological Indicators,
Год журнала:
2024,
Номер
159, С. 111705 - 111705
Опубликована: Фев. 1, 2024
The
trees
in
a
given
stand
compete
with
each
other
for
light,
water
and
nutrients,
producing
spatial
effects.
To
understand
effects,
it
is
critical
to
characterise
the
distributions
patterns
of
aboveground
biomass
(AGB)
individual
their
components
(stem,
bark,
branches
foliage).
This
study
investigated
effects
by
examining
AGB
context
typical
sub-tropical
tree
species
Yunnan,
China,
including
Pinus
kesiya
var.
langbianensis
natural
forest
(PN),
plantation
(PP),
Eucalyptus
spp.
(EP),
using
datasets
three
clear-cutting
plots.
Ripley's
L
function
was
employed
identify
components.
Then,
Global
Local
Moran's
I
indices
were
utilised
analyse
autocorrelation,
Intra-group
variance
being
calculated
quantify
heterogeneity.
led
following
findings.
Firstly,
increasing
distance,
heterogeneity
stands
increased
before
stabilising
at
distance
10
m.
Secondly,
excluding
all
PN
exhibited
significant
dispersion.
In
contrast,
PP
showed
EP
indicated
coexistence
clustering
Moreover,
autocorrelations
could
be
noticed
but
depending
on
stands,
distances.
These
findings
provide
theoretical
support
sustainable
management
based
carbon
stocks.
Язык: Английский