Buildings,
Год журнала:
2024,
Номер
14(8), С. 2492 - 2492
Опубликована: Авг. 12, 2024
This
study
is
focused
on
the
punching
strength
of
fiber-reinforced
polymer
(FRP)
concrete
slabs.
The
mechanical
properties
reinforced
slabs
are
often
constrained
by
their
shear
at
column
connection
regions.
Researchers
have
explored
use
reinforcement
as
an
alternative
to
traditional
steel
address
this
limitation.
However,
current
codes
poorly
calculate
FRP-reinforced
aim
was
create
a
robust
model
that
can
accurately
predict
its
strength,
thus
improving
analysis
and
design
composite
structures
with
In
study,
189
sets
experimental
data
were
collected,
six
machine
learning
models,
including
linear
regression,
support
vector
machine,
BP
neural
network,
decision
tree,
random
forest,
eXtreme
Gradient
Boosting,
constructed
evaluated
based
goodness
fit,
standard
deviation,
root-mean-square
error
in
order
select
most
suitable
for
study.
optimal
obtained
compared
models
proposed
researchers.
Finally,
explainability
conducted
using
SHapley
Additive
exPlanations
(SHAP).
results
showed
forests
performed
best
among
all
outperformed
existing
suggested
effective
depth
important
proportional
strength.
not
only
provides
guidance
but
also
informs
future
engineering
practice.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Фев. 10, 2025
The
increasing
demand
for
sustainable
construction
materials
has
led
to
the
incorporation
of
Palm
Oil
Fuel
Ash
(POFA)
into
concrete
reduce
cement
consumption
and
lower
CO₂
emissions.
However,
predicting
compressive
strength
(CS)
POFA-based
remains
challenging
due
variability
input
factors.
This
study
addresses
this
issue
by
applying
advanced
machine
learning
models
forecast
CS
POFA-incorporated
concrete.
A
dataset
407
samples
was
collected,
including
six
parameters:
content,
POFA
dosage,
water-to-binder
ratio,
aggregate
superplasticizer
curing
age.
divided
70%
training
30%
testing.
evaluated
include
Hybrid
XGB-LGBM,
ANN,
Bagging,
LSSVM,
GEP,
XGB
LGBM.
performance
these
assessed
using
key
metrics,
coefficient
determination
(R2),
root
mean
square
error
(RMSE),
normalized
means
(NRMSE),
absolute
(MAE)
Willmott
index
(d).
XGB-LGBM
model
achieved
maximum
R2
0.976
lowest
RMSE,
demonstrating
superior
accuracy,
followed
ANN
with
an
0.968.
SHAP
analysis
further
validated
identifying
most
impactful
factors,
ratio
emerging
as
influential.
These
predictive
offer
industry
a
reliable
framework
evaluating
concrete,
reducing
need
extensive
experimental
testing,
promoting
development
more
eco-friendly,
cost-effective
building
materials.
Buildings,
Год журнала:
2024,
Номер
14(8), С. 2492 - 2492
Опубликована: Авг. 12, 2024
This
study
is
focused
on
the
punching
strength
of
fiber-reinforced
polymer
(FRP)
concrete
slabs.
The
mechanical
properties
reinforced
slabs
are
often
constrained
by
their
shear
at
column
connection
regions.
Researchers
have
explored
use
reinforcement
as
an
alternative
to
traditional
steel
address
this
limitation.
However,
current
codes
poorly
calculate
FRP-reinforced
aim
was
create
a
robust
model
that
can
accurately
predict
its
strength,
thus
improving
analysis
and
design
composite
structures
with
In
study,
189
sets
experimental
data
were
collected,
six
machine
learning
models,
including
linear
regression,
support
vector
machine,
BP
neural
network,
decision
tree,
random
forest,
eXtreme
Gradient
Boosting,
constructed
evaluated
based
goodness
fit,
standard
deviation,
root-mean-square
error
in
order
select
most
suitable
for
study.
optimal
obtained
compared
models
proposed
researchers.
Finally,
explainability
conducted
using
SHapley
Additive
exPlanations
(SHAP).
results
showed
forests
performed
best
among
all
outperformed
existing
suggested
effective
depth
important
proportional
strength.
not
only
provides
guidance
but
also
informs
future
engineering
practice.