When Green Transportation Backfires: High-Speed Rail's Impact on Transport-Sector Carbon Emissions from 315 Chinese Cities
Sustainable Cities and Society,
Год журнала:
2024,
Номер
114, С. 105770 - 105770
Опубликована: Авг. 24, 2024
Язык: Английский
Lighting environment design evaluation with digital workflow: A life cycle framework for integrating carbon and cost reduction strategies in tunnels
Li Xu,
Hehua Zhu,
Yi Shen
и другие.
Tunnelling and Underground Space Technology,
Год журнала:
2025,
Номер
157, С. 106363 - 106363
Опубликована: Янв. 8, 2025
Язык: Английский
Carbon emission analysis and evaluation of steel-concrete composite structure bridge based on fuzzy comprehensive evaluation comprehensive evaluation method
Science Progress,
Год журнала:
2025,
Номер
108(2)
Опубликована: Март 31, 2025
Measuring
the
low
carbon
performance
of
buildings
is
a
crucial
method
for
achieving
construction
industry's
strategic
goal
“double
carbon.”
The
emission
factor
calculation
approach
proposed
by
IPCC
utilized
to
create
model
steel-concrete
composite
structure
bridge
across
its
whole
life
cycle.
discount
rate
used
determine
dynamic
emissions
structural
bridge,
which
are
then
compared
static
emissions.
strength
evaluated
using
fuzzy
comprehensive
technique.
application
analysis
conducted
on
basis
in
Beijing.
According
findings,
primarily
concentrated
during
preparation,
production,
and
operation
building
materials.
bridge's
103.966
1378.674
ktCO
2
e,
respectively.
After
material
recovery,
values
95.141
e
1107.751
ratio
ranges
from
7
34,
highlighting
significance
temporal
value.
recycling
components,
dropped
2.565
2.353,
while
fell
2.422
2.210,
both
were
medium
strengths.
this
study
can
successfully
examine
bridges
environmental
economic
perspectives,
it
be
select
more
environmentally
friendly
materials
methods
increase
efficiency.
It
also
provides
valuable
data
assistance
establishment
execution
protection
measures,
thereby
promoting
long-term
sustainable
development.
Язык: Английский
Study on Carbon Emission Calculation During the Materialization Phase of Subway Stations and Comparative Analysis of Carbon Emissions from Various Construction Methods
Yuan Mei,
Dongbo Zhou,
Haokun Wang
и другие.
Case Studies in Construction Materials,
Год журнала:
2024,
Номер
unknown, С. e03923 - e03923
Опубликована: Окт. 1, 2024
Язык: Английский
Exploring the Mechanism of Sustainable Innovation in the Complex System: A Case Study
Systems,
Год журнала:
2025,
Номер
13(4), С. 232 - 232
Опубликована: Март 28, 2025
The
construction
of
complex
systems
is
great
significance
in
enhancing
national
competitiveness
and
promoting
social
development.
However,
the
academic
community
currently
lacks
a
systematic
understanding
its
sustainable
innovation
mechanism.
This
study
selected
China
Manned
Space
Engineering
Application
System
(CMSEAS)
as
representative
case
system.
Research
data
were
collected
by
multi-method
approach
including
document
literature,
internal
data,
field
research,
interviews.
Through
lens
grounded
theory,
delves
into
how
system
achieves
local
to
maintain
sustainability
innovation.
Findings
indicate
that,
firstly,
late-mover
advantage
spiritual
strength
jointly
contribute
knowledge
accumulation
major
task-oriented
systems,
this
significantly
improves
ability
systems.
Secondly,
while
emphasizing
enhancement
capabilities,
it
imperative
for
implement
holistic
risk
management,
which
an
important
guarantee
successfully
achieving
goal.
Thirdly,
context
market
failure,
whole
nation
provides
strong
support
overall
institution
capacity
constitute
backbone
ensuring
Язык: Английский
Quantification of Carbon Emissions of Building Decoration Processes
Buildings,
Год журнала:
2024,
Номер
14(11), С. 3570 - 3570
Опубликована: Ноя. 9, 2024
The
continuous
growth
in
building
decoration
activities
has
led
to
significant
energy
and
material
consumption,
increasing
carbon
emissions
the
construction
sector.
Existing
literature
frequently
overlooks
impact
of
decorations.
This
study
employs
life
cycle
assessment
(LCA)
method
quantify
associated
with
decorations
across
five
typic
types:
residential,
hospital,
educational,
sports
cultural,
office
buildings.
Data
were
gathered
using
a
mix
field
investigations,
document
reviews,
semi-structured
interviews,
ensuring
comprehensive
coverage
all
stages.
results
reveal
that
emission
intensities
studied
ranged
from
70.01
298.79
kg
CO2
eq/m2,
lowest
found
educational
buildings
highest
cultural
production
stage
consistently
emerges
as
major
contributor
emissions,
accounting
for
over
50%
types.
transportation
also
represents
share,
contributing
18.6%
24.5%
It
indicates
ceiling
engineering
well
wall
column
are
primary
sources
terms
activities.
systematically
compares
characteristics
multiple
types,
addressing
gap
been
largely
overlooked
existing
literature.
highlights
key
proposes
targeted
mitigation
strategies.
findings
suggest
future
research
directions,
including
application
innovative
low-carbon
materials,
advanced
technologies,
optimization
logistics.
These
insights
lay
solid
foundation
design
practices
within
Язык: Английский
Carbon Neutrality Benefit by Developing Underground Space and Overlying Green Land: Calculation Methodology and Case Study
Buildings,
Год журнала:
2024,
Номер
15(1), С. 78 - 78
Опубликована: Дек. 29, 2024
The
advancement
of
ecological
civilization
has
heightened
the
urgency
for
urban
emission
reductions.
Currently,
there
is
a
significant
gap
in
quantitative
assessment
carbon
neutrality
benefit
developing
underground
space
and
overlaying
green
land.
To
address
this,
this
study
presents
model
based
on
building
lifecycle
theory.
quantifies
emissions
typical
public
buildings
utilizing
aboveground/underground
assesses
sink
impacts
lands.
Notably,
it
introduces
innovative
parameter
characteristic
time
to
evaluate
how
comprehensive
development
aboveground
land
contributes
achieving
neutrality.
Case
analysis
shopping
mall
northern
China
revealed
that,
comparison
buildings,
exhibit
higher
energy
consumption
construction
lighting;
however,
they
demonstrate
superior
thermal
performance,
providing
warmth
winter
coolness
summer.
Furthermore,
spaces
equivalent
area
can
sequester
portion
produced
by
resulting
lower
overall
profile
system
throughout
its
compared
that
system.
Consequently,
plays
crucial
role
advancing
neutral
objectives.
also
emphasizes
importance
selecting
plant
communities
with
enhanced
sequestration
capacities
corresponding
better
meet
This
research
offers
novel
perspective
evaluating
benefits
systems,
valuable
design
guidance
integrating
spaces.
Язык: Английский
Accounting Method and Indicators of Multilevel CO2 Emissions Based on Cost During Construction of Shield Tunnels
Applied Sciences,
Год журнала:
2024,
Номер
14(20), С. 9552 - 9552
Опубликована: Окт. 19, 2024
With
the
rapid
expansion
of
shield
tunnel
projects
in
China,
precise
accounting
CO2
emissions
throughout
entire
process
is
essential
for
advancing
green
and
low-carbon
construction
practices.
This
paper
introduces
an
innovative
methodology
utilizing
a
cost-based
carbon
emission
coding
system.
It
adopts
multilevel
approach
to
accounting,
aligned
with
this
system,
which
facilitates
detailed
examination
ratios
characteristics
across
various
techniques.
The
analysis
includes
six
typical
varying
diameter,
focusing
on
sub-projects
scrutinize
establish
specific
indicators.
findings
indicate
that
per
10,000
yuan
investment,
approximately
30.25%
(or
3025
kgCO2e/10,000
yuan),
are
more
consistent
than
those
unit
length.
Moreover,
study
highlights
differing
trends
among
compared
whole
projects,
assessing
indicators
distribution
patterns
four
sub-projects:
excavation,
segmental
lining,
internal
structure,
reinforcement.
From
these
findings,
suggests
tailored
strategies
reduction.
research
provides
theoretical
basis
future
planning
management
strategies.
Язык: Английский
Influence of scour depth and flow velocity field on large-diameter pier group pile foundations
Junfeng Shi,
Changhai Han,
Huijuan Guo
и другие.
Frontiers in Marine Science,
Год журнала:
2024,
Номер
11
Опубликована: Ноя. 28, 2024
Sea-crossing
bridges
face
critical
challenges
due
to
scour,
which
can
destabilize
foundations.
This
study
investigates
the
scour
characteristics
of
large-diameter
main
pier
Haiwen
Bridge,
with
a
pile
diameter
4.3
meters.
Seabed
changes
were
monitored
over
630
days
using
field
tests
and
numerical
simulations.
The
analyzed
relationship
between
flow
velocity
depth,
revealing
that
maximum
recorded
depth
was
3.65
meters
at
upstream
side.
A
linear
regression
model,
developed
from
75
sets
data,
produced
formula
estimate
local
depth.
Validation
against
measurements
showed
strong
correlation,
calculated
values
deviating
by
less
than
10%
observed
data.
findings
indicate
pits
1.5
times
wider
deeper
those
downstream,
while
shallow
triangular
zone,
extending
1.2
diameter,
formed
downstream.
Recommendations
for
protection
include
hydrological
considerations,
particularly
on
side
areas
lacking
sediment
sources.
Язык: Английский