International Journal of Hydropower and Civil Engineering,
Journal Year:
2023,
Volume and Issue:
4(1), P. 24 - 26
Published: Jan. 1, 2023
This
research
paper
delves
into
the
multifaceted
application
of
ultrasonic
techniques
aimed
at
refining
concrete
setting
process
within
domain
Indian
construction
projects,
specifically
focusing
on
dam
construction.
Employing
a
systematic
review
approach,
study
synthesizes
and
evaluates
diverse
methodologies
including
testing,
pulse
velocity
measurement,
attenuation
analysis,
echo-based
assessments.
These
non-destructive
play
pivotal
role
in
scrutinizing
early-age
properties,
time,
strength
evolution
concrete,
aspects
ensuring
structural
robustness
infrastructures.
Analysis
relevant
literature
highlights
efficacy
optimizing
placement
quality
assessment,
discerning
their
suitability
intricate
framework
scenarios.
The
further
outlines
technological
advancements,
challenges,
potential
directions,
thereby
elucidating
crucial
augmenting
efficiency
construction,
notably
ambit
projects.
International Journal of Low-Carbon Technologies,
Journal Year:
2023,
Volume and Issue:
18, P. 530 - 541
Published: Jan. 1, 2023
Abstract
Climate
action
around
the
world
has
shifted
to
potential
of
global
warming
contribution
from
design
and
construction
infrastructures,
especially
those
in
demand
for
concrete.
Concrete
production
use
have
been
identified
as
contributing
>5%
world’s
greenhouse
gas
(GHG)
emissions.
The
main
aim
this
research
work
is
critically
study
net-zero
sustainability
potentials
that
can
leverage
on
development,
flowability
self-compacting
concrete
(SCC).
Conventional
made
>50%
ordinary
cement,
which
contributes
>7%
GHG
But
1988,
a
fluidized
compacts
under
its
self-weight,
known
SCC,
was
formed
developed
overcome
need
durability,
skill
manpower
were
dwindling
Japan
at
time.
This
created
pathway
cement
be
replaced
partially
or
totally
by
certain
pozzolanic
materials
function
viscosity-modifying
admixture,
high-water
reducing
agent
microencapsulated
phase-change
mix.
However,
findings
shown
these
alter
there
reduced
yield
stress
moderate
viscosity
allowable
internal
friction
based
Bingham
model,
achieved
same
water–cement
ratio.
Fortunately,
implication
admixtures
replacements
cleaner
and,
such,
CO2
emission
associated
with
process.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: April 10, 2024
Abstract
In
this
research
paper,
the
intelligent
learning
abilities
of
gray
wolf
optimization
(GWO),
multi-verse
(MVO),
moth
fly
optimization,
particle
swarm
(PSO),
and
whale
algorithm
(WOA)
metaheuristic
techniques
response
surface
methodology
(RSM)
has
been
studied
in
prediction
mechanical
properties
self-healing
concrete.
Bio-concrete
technology
stimulated
by
concentration
bacteria
utilized
as
a
sustainable
structural
concrete
for
future
built
environment.
This
is
due
to
recovery
tendency
structures
after
noticeable
failures.
However,
it
requires
somewhat
expensive
exercise
create
medium
growth
needed
ability.
The
method
data
gathering,
analysis
adopted
propose
parametric
relationships
between
usage
performance
terms
strength
durability.
makes
cheaper
design
based
on
optimized
mathematical
models
proposed
from
exercise.
was
tested
using
coefficient
determination
(R
2
),
root
mean
squared
errors,
absolute
variance
accounted
error.
At
end
protocol
model
evaluation,
found
that
classified
outclassed
RSM
their
ability
mimic
human
animal
genetics
mutation.
Furthermore,
can
be
finally
remarked
GWO
other
methods
predicting
slump
(Sl)
with
R
0.998
0.989
train
test,
respectively,
PSO
rest
flexural
0.937
respectively
MVO
others
compressive
0.958
respectively.
Infrastructures,
Journal Year:
2025,
Volume and Issue:
10(2), P. 26 - 26
Published: Jan. 21, 2025
Accurate
estimation
of
concrete
compressive
strength
is
very
important
for
the
improvement
mix
design,
quality
assurance,
and
compliance
with
engineering
specifications.
Most
empirical
traditional
models
have
failed
to
capture
complex
relationships
inherent
within
varied
constituents
mixes.
This
paper
develops
a
machine
learning
model
prediction
using
design
variables
curing
age
from
“Concrete
Compressive
Strength
Dataset”
obtained
UCI
Machine
Learning
Repository.
After
comprehensive
data
preprocessing
feature
engineering,
various
regression
classification
were
trained
evaluated,
including
gradient
boosting,
random
forest,
AdaBoost,
k-nearest
neighbors,
linear
regression,
neural
networks.
The
boosting
regressor
(GBR)
achieved
highest
predictive
accuracy
an
R2
value
0.94.
Feature
importance
analysis
showed
that
water–cement
ratio
are
most
crucial
factors
affecting
strength.
Advanced
methods
such
as
SHapley
Additive
exPlanations
(SHAP)
values
partial
dependence
plots
used
attain
deep
insights
about
interaction
view
enhancing
interpretability
fostering
trust
in
models.
Results
highlight
potential
improve
aim
sustainable
construction
through
optimization
material
usage
waste
reduction.
It
recommended
future
research
be
undertaken
expanding
datasets,
more
features,
richer
enhance
power.
Heliyon,
Journal Year:
2023,
Volume and Issue:
9(4), P. e14976 - e14976
Published: March 29, 2023
The
civil
construction
sector
is
a
major
contributor
to
the
emissions
of
greenhouse
gases
(GHGs),
and
accounts
for
40
50%
total
GHGs
produced
all
over
world.
Concrete
utility
poles
are
considered
as
pillars
power
distribution
systems
in
many
developing
regions
This
study
has
analysed
environmental
sustainability
low-tension
(LT)
high-tension
(HT)
types
precast-concrete
(PC)
used
Pakistan.
Life
cycle
analysis
(LCA)
method
assessment
burdens
associated
with
production-manufacturing
stages
these
PC
poles.
LCA
scores
illustrated
five
impact
categories:
climate
change,
acidification,
eutrophication,
fine-particulate
matter
formation
fossil
resource
scarcity.
significant
have
been
depicted
change
abiotic
depletion
categories
as;
4.60E+01
kg
CO2
eq.
1.24
E+01
oil
eq
(for
LT
pole)
1.55E+02
3.00E+01
HT
pole),
respectively.
analytics
further
depict
that
manufacturing
pole
highly
energy
intensive
process,
hauling
raw
materials
finished
product
which
causes
towards
resources
depletion.
Overall,
this
research
can
offer
several
novel
contributions
field
sustainable
development
engineering,
including
comprehensive
impacts
practices
technologies
identification
links
between
economic
growth.