Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Nov. 11, 2024
The
sustainable
use
of
industrial
byproducts
in
civil
engineering
is
a
global
priority,
especially
reducing
the
environmental
impact
waste
materials.
Among
these,
coal
ash
from
thermal
power
plants
poses
significant
challenge
due
to
its
high
production
volume
and
potential
for
pollution.
This
study
explores
controlled
low-strength
material
(CLSM),
flowable
fill
made
ash,
cement,
aggregates,
water,
admixtures,
as
solution
large-scale
utilization.
CLSM
suitable
both
structural
geotechnical
applications,
balancing
management
with
resource
conservation.
research
focuses
on
two
key
properties:
flowability
unconfined
compressive
strength
(UCS)
at
28
days.
Traditional
testing
methods
are
resource-intensive,
empirical
models
often
fail
accurately
predict
UCS
complex
nonlinear
relationships
among
variables.
To
address
these
limitations,
four
machine
learning
models-minimax
probability
regression
(MPMR),
multivariate
adaptive
splines
(MARS),
group
method
data
handling
(GMDH),
functional
networks
(FN)
were
employed
UCS.
MARS
model
performed
best,
achieving
R
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: May 21, 2024
Abstract
India’s
cement
industry
is
the
second
largest
in
world,
generating
6.9%
of
global
output.
Polycarbonate
waste
ash
a
major
problem
India
and
around
globe.
Approximately
370,000
tons
scientific
are
generated
annually
from
fitness
care
facilities
India.
helps
reduce
environmental
burden
associated
with
disposal
decreases
need
for
new
raw
materials.
The
primary
variable
this
study
quantity
polycarbonate
(5,
10,
15,
20
25%
weight
cement),
partial
replacement
cement,
water-cement
ratio
aggregates.
mechanical
properties,
such
as
compressive
strength,
split
tensile
strength
flexural
test
results,
mixtures
were
superior
at
7,
14
28
days
compared
to
those
control
mix.
water
absorption
rate
less
than
that
standard
concrete.
Compared
conventional
concrete,
concrete
undergo
minimal
loss
under
acid
curing
conditions.
utilized
construction
pollution
improve
economy.
This
further
simulated
characteristics
made
using
least
absolute
shrinkage
selection
operator
regression
decision
trees.
Cement,
waste,
slump,
absorption,
main
components
considered
input
variables.
suggested
tree
model
was
successful
unparalleled
predictive
accuracy
across
important
metrics.
Its
outstanding
ability
(R
2
=
0.879403),
0.91197),
0.853683)
confirmed
method
preferred
choice
these
predictions.
Structural Concrete,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 23, 2024
Abstract
A
cement‐based
material
that
meets
the
general
goals
of
mechanical
properties,
workability,
and
durability
as
well
ever‐increasing
demands
environmental
sustainability
is
produced
by
varying
type
quantity
individual
constituents
in
high‐performance
concrete
(HPC)
ultrahigh‐performance
(UHPC).
Expensive
time‐consuming
laboratory
experiments
can
be
used
to
estimate
properties
mixtures
elements.
As
an
alternative,
these
attributes
approximated
means
predictive
models
created
through
application
artificial
intelligence
(AI)
methodologies.
AI
approaches
are
among
most
effective
ways
solve
engineering
problems
due
their
capacity
for
pattern
recognition
knowledge
processing.
Machine
learning
(ML)
deep
(DL)
a
subfield
gaining
popularity
across
many
scientific
domains
result
its
benefits
over
statistical
experimental
models.
These
include,
but
not
limited
to,
better
accuracy,
faster
performance,
greater
responsiveness
complex
environments,
lower
economic
costs.
In
order
assess
critical
features
literature,
comprehensive
review
ML
DL
applications
HPC
UHPC
was
conducted
this
study.
This
paper
offers
thorough
explanation
fundamental
terms
ideas
algorithms
frequently
predict
UHPC.
Engineers
researchers
working
with
construction
materials
will
find
useful
helping
them
choose
accurate
appropriate
methods
needs.
Structural Concrete,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 21, 2024
Abstract
Fiber‐reinforced
polymer
(FRP)‐confined
double‐skin
tubular
columns
(DSTCs)
are
an
innovative
type
of
hybrid
that
consist
outer
tube
made
FRP,
inner
circular
steel
tube,
and
a
concrete
core
sandwiched
between
them.
Available
literature
focuses
on
hollow
DSTCs
with
limited
research
tubes
filled
concrete.
Overall,
have
many
applications,
highlighting
the
importance
studying
effects
filling
strength
composite
system.
To
address
this
gap,
finite
element
models
(FEMs)
both
traditional
machine
learning
(ML)
techniques
were
used
to
develop
accurate
for
predicting
load‐bearing
capacity
confined
ultimate
strain
under
axial
loads.
A
comprehensive
database
60
experimental
tests
45
FEMs
simulations
was
analyzed,
five
parameters
selected
as
input
variables
ML‐based
models.
New
like
gradient
boosting
(GB),
random
forest
(RF),
convolutional
neural
networks,
long
short‐term
memory
compared
established
algorithms
multiple
linear
regression,
support
vector
regression
(SVR),
empirical
mode
decomposition
(EMD)‐SVR.
Regression
error
characteristics
curve,
Shapley
Additive
Explanation
analysis,
statistical
metrics
assess
performance
these
using
containing
105
test
results
cover
range
variables.
While
EMD‐SVR
GB
perform
well
strain,
suggested
EMD‐SVR,
GB,
RF
show
superior
predictive
accuracy
load.
be
more
precise,
load
prediction,
obtain
values
0.99,
0.989,
0.960,
respectively.
The
at
0.690
However,
design
engineers
by
“black‐box”
nature
ML.
In
order
solve
this,
study
presents
open‐source
GUI
based
which
gives
ability
precisely
estimate
various
conditions,
enabling
them
make
well‐informed
decisions
about
mix
proportion.
Heliyon,
Journal Year:
2023,
Volume and Issue:
10(2), P. e23666 - e23666
Published: Dec. 15, 2023
Nowadays,
due
to
the
structural
advantages
gained
by
combining
three
different
materials'
properties,
columns
made
of
carbon-fiber
reinforced
polymer
(CFRP)-confined
concrete
with
inner
steel
tube
have
received
researchers'
interest.
This
article
presents
nonlinear
finite
element
analysis
and
multiple
machine
learning
(ML)
model-based
study
on
behavior
round
corner
rectangular
CFRP-confined
short
high-strength
elliptical
under
axial
load.
The
reliability
proposed
model
was
verified
against
existing
experimental
investigations.
effects
parameters
such
as
grade,
thickness
reinforcing
tube,
cross-sectional
size
CFRP
are
comprehended
in
this
study.
Furthermore,
ML
models
were
predict
ultimate
load,
strain,
lateral
strain
test
specimens.
evaluated
six
distinct
performance
metrics.
From
parametric
investigation,
it
found
that
lower
compressive
strength
more
enhancement
because
confinement
between
than
relative
its
unconfined
strength.
extreme
gradient
boosting
random
forest
provided
best-fit
results
artificial
neural
network
Gaussian
process
regression
predicting
load
strains
columns.