IOP Conference Series Earth and Environmental Science,
Journal Year:
2024,
Volume and Issue:
1374(1), P. 012055 - 012055
Published: Aug. 1, 2024
Abstract
Hilla
city,
located
in
Babil
Governorate,
suffers
from
high
traffic
congestion,
because
it
lacks
ring
roads
to
solve
the
problem
of
internal
congestion.
Therefore,
this
study
highlights
importance
helping
Three
were
proposed
for
city
and
changes
performance
are
discussed.
Each
these
will
connect
external
connected
“60th
Street”
(the
artery
city)
with
each
other
outside
city.
Through
economic
evaluation
that
was
conducted,
became
clear
best
route
can
be
chosen
is
proposal
No.
2,
as
most
economical
among
rings;
its
total
cost
amounted
approximately
90.5
billion
Iraqi
dinars.
In
order
investigate
impact
on
level
service
access
time,
Vissim
program
used.
It
has
been
shown
adding
a
road
contribute
reducing
congestion
by
24%.
also
noticed
60th
Street
improved
Level
(F)
(C).
Finally,
future
volumes
calculated
analyzed
year
2030.
found
worsened
one
level;
shifted
(C)
(D)
Street.
Land,
Journal Year:
2025,
Volume and Issue:
14(3), P. 523 - 523
Published: March 3, 2025
The
expansion
of
road
networks
profoundly
affects
ecological
systems
by
intensifying
habitat
fragmentation,
altering
hydrological
processes,
and
exacerbating
pollution.
However,
our
understanding
the
multi-scale
spatiotemporal
coupling
between
quality
remains
limited.
Thus,
taking
Fuzhou
City
in
Southeastern
China
as
a
case
study
(~12,000
km2),
we
apply
bivariate
spatial
autocorrelation,
geographical
detectors
(GDs),
geographically
weighted
regression
(MGWR)
to
explore
interactions
quality.
Results
reveal
following:
(1)
From
2016
2021,
kernel
density
estimation
(KDE)
analysis
network
indicates
coordinated
growth
both
urban
rural
areas,
with
an
increase
0.759
km/km2.
Analysis
based
on
remote
sensing-based
index
(RSEI)
shows
decrease
from
2000
2016,
then
trend
increasing
gradually
center
area.
(2)
Predominant
tradeoff
relationships
exist
KDE
RSEI
while
notable
synergistic
emerge
ΔKDE
ΔRSEI.
(3)
Multi-scale
GD
identifies
principal
factor
influencing
ΔRSEI,
MGWR
reveals
their
significant
associations
at
optimal
scale
3000
m.
These
findings
highlight
unequal
impact
quality,
underscoring
pivotal
role
changes
its
dynamics.
They
offer
essential
insights
for
sustainable
transport
planning.
Applied Sciences,
Journal Year:
2025,
Volume and Issue:
15(5), P. 2781 - 2781
Published: March 5, 2025
Prefabricated
cantilever
systems
(PCSs)
are
essential
for
mountainous
road
infrastructure,
yet
their
structural
behavior
under
traffic
loads
remains
insufficiently
studied.
This
study
innovatively
integrates
scaled
experiments,
finite
element
simulations,
and
field
test
data
to
develop
validate
a
full-scale
PCS
model
extreme
conditions.
The
results
reveal
that
the
beam–column
junction
is
highly
vulnerable
stress
concentrations,
risking
concrete
cracking.
To
address
this,
novel
prestressed
reinforcement
design
proposed,
optimizing
rebar
placement
reduce
local
stresses
enhance
integrity.
Ultimate
load
analysis
confirms
prestressing
improves
stiffness,
resistance,
ductility.
provides
systematic
framework
optimization,
promoting
its
application
in
complex
engineering
environments.
Land Degradation and Development,
Journal Year:
2024,
Volume and Issue:
35(11), P. 3552 - 3566
Published: May 20, 2024
Abstract
Understanding
the
evolutionary
patterns
of
ecological
quality
in
transport
corridor
areas
and
their
driving
mechanisms
is
essential
for
maintaining
regional
sustainable
development.
However,
an
integrated
assessment
ecology
plateau
corridors
still
lacking.
This
study
focuses
on
Sino‐Nepalese
Transport
Corridor
(SNTC)
comprehensively
evaluates
spatio‐temporal
evolution
eco‐environmental
from
2000
to
2021
based
remote
sensing
data
quantifies
explores
potential
factors.
The
results
indicate
significant
spatial
heterogeneity
SNTC,
with
overall
bipolar
“northeast‐southwest”
distribution
pattern.
area
poor
worse
largest
(32,471.75
km
2
),
accounting
about
47.20%
total
distributed
bare
land
Yarlung
Tsangpo
River
valley.
From
2021,
showed
initial
decline
then
increase,
a
relatively
gentle
trend.
increase
index
Region
(I)
0.314
first
10
years
0.334
second
years,
6.37%,
was
mainly
attributed
afforestation
projects
“One
two
tributaries
Nature
Reserve”
region.
SNTC
influenced
by
multiple
factors
including
human
activities,
climate,
topography.
Grazing
intensity,
population
density,
digital
elevation
model
are
main
negative
disturbance
factors,
while
temperature,
precipitation,
gross
domestic
product,
promote
quality.
In
particular,
partially
offset
impact
activities.
These
will
provide
useful
information
understanding
complex
effects
activities
natural
region
formulating
conservation
policies.
Journal of Advanced Transportation,
Journal Year:
2025,
Volume and Issue:
2025(1)
Published: Jan. 1, 2025
The
smart
highway
(SH)
has
an
important
role
in
realizing
the
strategy
of
strong
transportation
power,
and
operation
maintenance
(O&M)
management
plays
a
decisive
ensuring
safe
stable
SH.
This
paper
takes
Shandong
F
section
SH
project
as
example
constructs
risk
evaluation
index
system
O&M
stage.
Then,
by
empowering
with
hierarchical
analysis
method,
this
evaluates
stage
using
fuzzy
comprehensive
method
proposes
response
measures.
results
show
that
overall
is
medium
risk,
which
business
are
large,
green
natural
environment
level,
financial
small.
can
help
enterprises
effectively
respond
to
challenges
facing
process
promote
sustainable
development
