Buildings,
Journal Year:
2024,
Volume and Issue:
15(1), P. 38 - 38
Published: Dec. 26, 2024
Using
silty
clay
as
roadbed
filling
can
lead
to
diseases.
In
this
paper,
was
modified
with
lignin
and
BFS
(GGBS).
Then,
the
mechanical
properties,
freeze-thaw
characteristics,
microscopic
mechanisms
were
investigated
using
unconfined
compression
tests,
California
bearing
ratio
rebound
modulus
cycling
scanning
electron
microscopy
(SEM),
X-ray
diffraction
(XRD).
The
results
showed
that
curing
age
increased,
compressive
strength
(UCS)
of
gradually
relationship
between
stress
axial
strain
samples
transitioned
from
strain-softening
strain-hardening.
As
content
decreased
UCS,
(CBR),
first
increased
then
tended
stabilize.
Adding
effectively
resist
volume
increase
mass
loss
during
cycles.
When
4%:8%,
growth
rate
CBR,
largest,
change
in
UCS
under
cycle
smallest,
improvement
effect
most
significant.
experimental
indicated
a
large
amount
hydrated
calcium
silicate
products
interunit
connections,
filled
soil
pores,
reduced
pore
number
size.
research
further
improve
applicability
engineering,
protect
environment,
reduce
waste
resources.
Geosciences,
Journal Year:
2024,
Volume and Issue:
14(7), P. 182 - 182
Published: July 8, 2024
Stabilization
using
industrial
by-products
is
presently
gaining
importance
in
the
construction
sector
for
improving
geotechnical
characteristics
of
soft
soils.
The
optimum
dosage
stabilisers
has
become
great
interest
to
experimenters
terms
improved
strength,
time,
and
economy
projects.
This
work
presents
utilization
biomedical
waste
ash
strength
soil.
In
this
paper,
response
surface
methodology
(RSM)
was
adopted
determine
combination
curing
period
(C)
(BA)
quantity
attaining
maximum
unconfined
compressive
(UCS)
soil
reduce
number
trial
tests
required.
factors
C
BA
were
varied
from
0
14
days
4%
20%,
respectively,
experiments
conducted
according
experimental
plan
provided
by
RSM
design.
Based
on
a
Face-centred
Central
Composite
Design
(FCCCD),
mathematical
equation
created
results.
Analysis
variance
(ANOVA)
used
generated
model’s
significance,
results
indicated
statically
significant
model
(p
≤
0.05).
revealed
that
imparts
more
influence
towards
improvement,
19.912%
BA,
with
yield
UCS
203.008
kPa.
optimization
technique
may
be
suggested
obtain
preliminary
estimation
prior
stabilization.
Materials,
Journal Year:
2024,
Volume and Issue:
17(21), P. 5154 - 5154
Published: Oct. 23, 2024
The
extraction
of
mining
resources,
as
well
processing
processes
such
ore
beneficiation
and
smelting,
generate
large
amounts
tailings
that
are
difficult
to
directly
utilize.
Meanwhile,
substantial
filling
materials
required
for
the
voids
formed
after
operations,
environmental
issues
safety
hazards
brought
on
by
massive
solid
waste
disposal
cannot
be
ignored.
By
utilizing
with
alkaline
pozzolanic
activity
binder
component
gold
filler
aggregate
prepare
material
fill
up
void
areas,
purpose
treatment
can
achieved.
In
this
study,
salt
sludge,
steel
slag,
ground
granulated
blast
furnace
were
used
all-solid
fluidized
mine
which
not
only
solves
engineering
problem
easy
collapse
airspace
in
process
but
also
ensures
a
backfill
effect
high
strength,
continuously
guarantees
uninterrupted
progress
project.
At
same
time,
preparation
consume
amount
other
waste,
solving
their
stockpiling.
components
wastes
all
general
industrial
wastes,
so
will
have
an
impact
surrounding
environment.
effects
ratios
workability
investigated
means
slump
flow
tests.
Combined
unconfined
compressive
strength
test,
change
curing
age
water-binder
ratio
was
studied.
experimental
results
showed
value
positively
correlated
ratio.
range
satisfying
180~260
mm
less
than
400
0.95~1.106.
However,
decreased
increase
ratio,
conforming
hyperbolic
relationship.
had
strengths
0.22,
1.09,
1.95
MPa
at
3,
7,
28
d,
respectively,
meeting
requirements.
Finally,
method
determining
optimal
considering
both
performance
is
proposed
based
relationship
between
value,