Seismic response of geostructures to obliquely incident pulse-type near-fault P and SV waves
Engineering Structures,
Год журнала:
2025,
Номер
330, С. 119917 - 119917
Опубликована: Фев. 19, 2025
Язык: Английский
Reliable Structural Stability and Damage Control of Concrete Gravity Dams During Earthquakes
Journal of studies in civil engineering.,
Год журнала:
2025,
Номер
unknown, С. 3 - 3
Опубликована: Март 20, 2025
In
this
work,
meta
models
considering
the
non-linearity
of
problem
are
dedicated
to
determining
displacements
crest
and
foundation
Koyna
dam
model.
ABAQUS
6.14
program
is
used
create
numerical
simulations
by
employing
extended
finite
element
method
XFEM
with
presence
earthquake
time
history
data
for
10
seconds.
Five
factors
related
foundation's
material
properties
reservoir
depth
involved
in
an
optimization
study.
The
Pareto
adopted
support
MATLAB
codes
calculate
optimized
values
participating
factors.
A
multi-objective
function
authorized
two
being
predict
minimum
during
seismic
action
addition
crack
damage
propagation.
results
declared
that
100%
efficient
estimating
response
structural
system
dam.
five
were
determined.
displacement
was
1.372
m
0.319
m,
which
approved
optimality
compared
model
outputs
generated
models.
Consequently,
dam's
stability
control
accomplished
high
reliability
verifying
benchmark.
Язык: Английский
Advances in the structural performance of reinforced concrete flat plate-column connections under gravity and seismic loads
Abathar M. Al-Yaseri,
Laith Kh. Al-Hadithy
Journal of Building Pathology and Rehabilitation,
Год журнала:
2025,
Номер
10(1)
Опубликована: Янв. 26, 2025
Язык: Английский
Comparative analysis of stochastic variables for seismic vulnerability assessment of concrete gravity dams
Multiscale and Multidisciplinary Modeling Experiments and Design,
Год журнала:
2025,
Номер
8(5)
Опубликована: Март 28, 2025
Язык: Английский
Comprehensive Review on Sustainable Dam Infrastructure: Issues and Challenges, Factors Causing Dam Failure and Future Direction in a Globally Changing Climate
Pertanika journal of science & technology,
Год журнала:
2025,
Номер
33(3)
Опубликована: Апрель 4, 2025
A
dam
is
a
hydraulic
structure
built
to
achieve
the
Sustainable
Development
Goals
(SDGs)
and
provide
safe
reliable
water
supply
in
world
where
climate
change
severe.
This
article
provides
comprehensive
review
of
sustainability
aspects
dams
terms
current
issues
challenges
safety
factors
causing
failure
based
on
selected
case
studies.
In
addition,
guidelines
are
compared
addressed
with
studied
issues,
leading
failure,
as
these
two
elements
represent
an
integrated
relationship.
Future
directions
identified
highlight
high-risk
scenarios
fascinating
research
areas
for
sustainability.
The
mainly
related
impacts
operations.
study
offers
wealth
benefits,
such
identification
(hydrological
impacts,
geotechnical
condition,
geological
characteristics
ageing
structure),
improvements
decision-making
(shortened
time
scale)
important
fundamental
(fluid-structure
interactions)
modification
emergency
plans
development
early
warning
systems.
could
solid
reference
accurate
formulation
amendment
design
standards,
selection
construction
methods
previous
failures,
appropriate
measures
(monitoring
response).
nutshell,
evaluation
crucial
dams,
engineering
decisions
regular
maintenance
protection
against
failures.
Язык: Английский
Impact of concrete degradation and heterogeneity on fragility assessment of concrete gravity dams
Structure and Infrastructure Engineering,
Год журнала:
2025,
Номер
unknown, С. 1 - 16
Опубликована: Май 7, 2025
Язык: Английский
Seismic Response Assessment of Concrete Gravity Dam with Dam-Foundation-Reservoir Interaction by Adopting Finite Element Technique
Journal of Vibration Engineering & Technologies,
Год журнала:
2025,
Номер
13(5)
Опубликована: Май 27, 2025
Язык: Английский
Systematic quantification of modeling uncertainties in tank–foundation coupled systems
Engineering Structures,
Год журнала:
2024,
Номер
306, С. 117876 - 117876
Опубликована: Март 19, 2024
Язык: Английский
Advancement of Finite Element Method Solver Used in Dam Safety Monitoring System by Interpolation of Pore Pressure and Temperature Values
Applied Sciences,
Год журнала:
2024,
Номер
14(21), С. 9680 - 9680
Опубликована: Окт. 23, 2024
In
this
paper,
we
focused
on
the
advancement
of
Dam
Monitoring
Software
that
incorporates
Finite
Element
Method
(FEM),
as
these
large
infrastructure
constructions
are
crucial
for
ensuring
a
dependable
water
supply,
irrigation,
flood
control,
renewable
electric
energy
generation,
and
safe
operation,
which
is
utmost
importance
to
any
country.
However,
material
properties
geotechnical
environments
dams
can
change
(deteriorate)
over
time,
while
standards
legal
norms
govern
them
become
more
rigorous,
so
in
order
accurately
assess
state
dam
detect
concerning
behavior,
software
must
be
updated
well.
The
custom-developed
FEM
solver,
unlike
many
commercial
alternatives,
adaptable
reconfigured
function
within
System.
present
procedure
interpolating
numerical
values
at
measurement
points,
when
position
point
does
not
align
with
node
element,
allowing
additional
instrument
locations
added
monitored
system
without
need
remeshing
model.
This
used
compare
actual
pore
pressures
temperature
concrete
structure
prediction
model,
agreement
much
greater
new
interpolation
algorithm
comparison
nearest
nodal
values,
average
relative
difference
pressure
reduced
from
8.89%
8.10%,
justifying
implementation.
Язык: Английский
Numerical Analysis Calculations of Ductile Concrete Gravity Dams Under Seismic Action
Lecture notes in civil engineering,
Год журнала:
2024,
Номер
unknown, С. 25 - 31
Опубликована: Окт. 15, 2024
Abstract
Finite
element
analysis
was
conducted
on
the
stress,
vertical
displacement,
and
horizontal
displacement
of
ordinary
concrete
ductile
gravity
dams
under
different
working
conditions.
The
results
show
that:
with
decrease
height
dam,
stresses
two
gradually
increase,
displacements
a
decreasing
trend
during
operation
period.
Under
effect
earthquakes,
maximum
stress
kinds
appears
at
weak
point
dam
body.
normal
water
level
falling
reach
9.91
MPa
9.85
respectively.
types
seismic
conditions
is
approximately
4
times
that
conditions,
are
always
smaller
than
concrete.
Язык: Английский