International Journal of Science Technology Engineering and Mathematics,
Год журнала:
2024,
Номер
4(4), С. 66 - 82
Опубликована: Дек. 1, 2024
The
construction
industry
is
constantly
seeking
sustainable
alternatives
to
traditional
materials
due
growing
environmental
concerns
and
resource
depletion.
This
study
explores
the
potential
of
using
Jhama
Brick
Dust
(JBD)
as
a
substitute
for
fine
aggregate
in
concrete.
bricks,
which
are
over-burnt
often
considered
waste,
were
processed
into
dust
incorporated
concrete
mixes
at
varying
percentages
(0%,
10%,
20%,
30%,
40%)
partially
replace
natural
sand.
tested
their
workability,
compressive
strength,
tensile
durability.
Results
showed
that
containing
20%
JBD
replacement
exhibited
strength
increase
8%
compared
control
mix.
also
improved
by
5%
same
level.
However,
higher
replacements
30%
40%
decline
both
workability.
Durability
tests
revealed
with
had
better
resistance
water
penetration,
making
suitable
applications
requiring
enhanced
research
indicates
can
serve
sustainable,
cost-effective
material
production,
offering
cost
savings
broader
applicability
within
its
performance
availability.
Incorporating
partial
contributes
practices
while
maintaining
satisfactory
mechanical
properties.
Engineering Construction & Architectural Management,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 18, 2025
Purpose
Unlike
the
design
or
planning
phases,
construction
phase
necessitates
coordination
of
multiple
project
stakeholders,
real-time
problem-solving
and
effectively
managing
physical
resources
under
fluctuating
site
conditions.
However,
recent
green
rating
systems
are
not
yet
designed
to
accommodate
unique
nature
this
stage.
Thus,
study
aims
develop
an
empirical
measurement
model
evaluate
performance
sites
(GCS),
focusing
on
Vietnamese
industry.
Design/methodology/approach
Initially,
a
list
assessment
criteria
was
identified
by
reviewing
previous
studies
semi-structured
interviews.
After
that,
questionnaire
survey
used
collect
practitioners’
views
regarding
GCS
performance.
The
155
valid
responses
were
analyzed
employing
fuzzy
synthetic
evaluation
(FSE)
method.
Findings
findings
showed
that
in
Vietnam
is
at
moderate
level,
with
index
5.48.
Indeed,
human-related
factor
most
significant
group
for
Vietnam.
Construction
site,
energy,
innovation
material-related
factors
among
average
factors.
Moreover,
water
waste-related
lowest
Originality/value
This
highlights
importance
factors,
such
as
worker
safety
environmental
training,
achieving
effective
It
recommended
governments
should
enforce
stricter
guidelines
using
low-embodied
carbon
materials,
sustainable
sourcing
waste
management
improve
Neighboring
countries
can
also
use
valuable
insights
from
enhance
their
Aquatic Conservation Marine and Freshwater Ecosystems,
Год журнала:
2025,
Номер
35(3)
Опубликована: Фев. 25, 2025
ABSTRACT
Natural
resource
mining
is
a
vital
global
industry
serving
sectors
such
as
construction,
infrastructure
and
electronics.
The
negative
impacts
of
mining,
exacerbated
by
poor
governance
lax
legislation,
have
detrimental
consequences
on
the
environment,
especially
in
freshwater
systems.
Mining
shown
to
disrupt
hydrological
regimes,
sediment
dynamics
vegetation
structure,
which
affect
water
quality,
species
composition
overall
ecosystem
health.
However,
little
known
about
extent
biodiversity,
ultimately
hindering
mitigation
efforts
effective
policy
implementation.
Here,
we
address
this
knowledge
gap
developing
an
impact
probability
model
generate
threat
maps
based
for
fish,
macrophytes
odonatan.
We
show
that
differs
significantly
between
taxonomic
groups,
with
hotspots
risk
coinciding
high‐biodiversity
wilderness
areas.
Using
random
forest
machine
learning
model,
driven
primarily
environmental
anthropogenic
variables,
land
surface
runoff
Human
Development
Index.
This
overview
distribution
mining's
urgently
needed
conservation
plans
mitigate
biodiversity.
Journal of Hydraulic Research,
Год журнала:
2025,
Номер
63(2), С. 141 - 155
Опубликована: Март 3, 2025
Sea
level
rise
(SLR)
significantly
impacts
morphodynamics,
altering
hydrodynamics,
sediment
transport,
and
riverbed
morphology.
This
study
examines
these
effects
in
the
Dong
Nai-Sai
Gon
River
(DNSG)
basin,
focusing
on
Soai
Rap
mouth.
Using
an
integrated
numerical
model
(TELEMAC-2D–SISYPHE–TOMAWAC),
simulations
were
conducted
under
three
SLR
scenarios:
baseline
(SCE0),
SLR+0.5
m
(SCE1),
SLR+1.0
(SCE2).
Results
indicate
erosion
Zone
1
(upstream),
balance
2
(midstream),
deposition
3
(estuary
coastal
areas).
Regression-based
linear
equations
developed
to
understand
relationships
among
zones
varying
conditions.
We
have
discovered
new
insights
into
dynamics,
providing
predictive
tools
for
sustainable
management
adaptation
estuaries.
Additionally,
this
work
contributes
understanding
regional
morphodynamic
responses
informs
strategies
managing
resources
estuarine
systems.
