Buildings,
Journal Year:
2022,
Volume and Issue:
12(12), P. 2253 - 2253
Published: Dec. 17, 2022
The
construction
process
of
cable
net
structure
is
complicated,
which
leads
to
the
strong
randomness
errors.
safety
state
very
sensitive
Obtaining
coupling
relationship
between
errors
and
force
response
efficiently
accurately
critical
developing
technique
structures.
This
paper
proposed
an
analysis
method
based
on
a
genetic
algorithm
optimized
back
propagation
neural
network
(GA-BPNN)
judge
influence
error
single-layer
orthogonal
Taking
speed
skating
stadium
2022
Winter
Olympic
Games
as
research
object,
this
analyzed
form
venue.
According
characteristics
GA-BPNN
calculation,
principle
was
put
forward.
load-bearing
cables
stable
analyzed.
degree
different
component
structural
forces
obtained,
most
unfavorable
key
components
were
obtained.
For
components,
trend
analyzed,
fitting
formula
given.
Driven
by
GA-BPNN,
it
can
realize
mechanical
responses
under
action
multi-type,
multi-component,
multi-combination
results
show
that
obtains
performance
law
error,
effectively
predicts
influencing
factors
risk,
avoids
accidents
caused
error.
in
provide
reference
for
similar
application.
Energies,
Journal Year:
2023,
Volume and Issue:
16(10), P. 4181 - 4181
Published: May 18, 2023
The
construction
world
has
changed
day
by
and
is
becoming
more
digitalized
introducing
new
technologies.
Three-dimensional
concrete
printing
(3DCP)
one
such
technology
that
automated
building
process
along
with
several
benefits
as
reduced
material
waste,
human
hazard,
time
savings.
Traditionally,
this
technique
utilizes
cement
to
construct
numerous
structures,
resulting
in
a
significant
carbon
footprint
negative
environmental
impact.
There
need
find
alternate
solutions
reduce
consumption.
Alkali
activation
replaced
completely.
scope
of
development
alkali-activated
3D
printable
utilizing
agro-industrial
byproducts
presented
study.
A
review
the
fresh
hardened
properties
was
primary
objective.
change
mixes
variation
additives
influence
ultimate
strength
parameters
presented.
This
study
explores
curing
conditions
in-depth
behavior
uses
3DCP
industry.
over
conventional
concreting
are
As
per
previous
studies,
optimum
mix
composition
cubic
meter
600–700
kg/m3
binder
content,
450
alkali
activator
solution,
600–800
fine
aggregate
content.
contributes
making
concrete.
Buildings,
Journal Year:
2022,
Volume and Issue:
13(1), P. 90 - 90
Published: Dec. 30, 2022
The
construction
industry
is
a
high-energy-consumption
industry.
Nearly
40%
of
global
carbon
emissions
derive
from
the
Prefabricated
assembly
technology
an
effective
means
emission
reduction,
but
incremental
cost
prefabricated
components
much
more
expensive
than
that
cast-in-place
components.
It
not
conducive
for
enterprises
to
choose
decrease
emissions.
Most
current
studies
focus
on
carbon-reduction
effect
assembled
buildings,
and
there
are
fewer
related
impact
factors
enterprises’
participation
in
building
reduction.
factor
will
affect
choice
reduce
Therefore,
it
necessary
analyze
relationship
between
costs
buildings.
Aiming
at
this
problem,
paper
proposes
dual-objective
method
optimize
by
using
improved
optimization
algorithm
solve
problem.
Through
analysis
actual
cases,
results
show
when
prefabrication
rate
35–40%,
can
obtain
better
carbon-emission-reduction
appropriately
increasing
cost.
When
higher
40%,
be
obtained
greatly
limited.
decide
range
they
able
maximum
with
minimum
This
study
provide
reference
government
formulate
relevant
policies
energy
conservation
reductions
buildings
also
make
decisions
reduction
Springer tracts in civil engineering,
Journal Year:
2024,
Volume and Issue:
unknown, P. 215 - 256
Published: Oct. 31, 2024
Abstract
The
concepts
of
“modularity”
and
“prefabrication”
require
a
deeper
understanding
being
crucial
to
investigate
their
relation
with
the
circular
economy.
Prefabrication
involves
pre-manufacturing
building
elements
off-site
transport
construction
site
assembly.
can
be
divided
into
different
categories:
Component,
Non-volumetric,
Volumetric,
Modular
construction,
Hybrid
structures,
or
Whole
prefabrication;
based
on
linear
(e.g.,
columns
pillars),
bidimensional
walls
floor
panels),
tri-dimensional
modules
whole
prefabricated
houses).
most
commonly
used
materials
are
steel,
wood,
concrete,
although
plastic,
composite,
nature-based
increasingly
explored.
While
comparing
materials,
steel
has
high
embodied
impacts
but
recycle
reuse
potential,
timber
biogenic
content
concrete
poses
assembly
challenges.
refurbishment
buildings
use
in
also
discussed.
main
benefits
adopting
prefabrication
impact,
cost,
material,
waste,
time
reduction,
quality
increase;
challenges
cultural,
technical,
market
aspects
some
investment
required.
A
bibliometric
analysis
explores
relationship
between
modularity,
prefabrication,
concludes
that
link
three
seems
fragile
unclear.
Buildings,
Journal Year:
2024,
Volume and Issue:
14(12), P. 4018 - 4018
Published: Dec. 18, 2024
Prefabrication
is
increasingly
recognized
as
a
sustainable
construction
practice,
with
the
efficiency
of
prefabricated
component
(PC)
production
lines
playing
critical
role
in
its
success.
However,
supplier
selection
for
PC
has
become
more
complex
due
to
evolving
industrial
demands,
uncertain
supply
chain
conditions,
and
operational
complexities.
This
study
addresses
this
gap
by
developing
lean-based
AHP–improved
VIKOR
decision-making
framework
enhance
lines.
The
integrates
advanced
lean
principles
universal
specific
evaluation
criteria,
identified
through
comprehensive
literature
review
expert
interviews.
Its
validity
was
tested
via
real-world
case
Yizhong
Construction
Co.,
Ltd.,
Tianjin,
China.
results
show
that
three
suppliers
are
ranked
Zhongjian
>
Tianyi
Xindadi,
where
best
study,
index
0.156.
findings
developed
can
improve
aligning
enhancing
performance
By
addressing
challenges
selection,
provides
practical
tool
advance
adoption
prefabrication
construction.
Furthermore,
it
contributes
development
industry
offering
robust
method
suitable
suppliers,
which
help
optimize
support
practices
