Study on the Mechanical Properties of Modified Sludge Soil Based on an SM-C Modifier
Materials,
Год журнала:
2025,
Номер
18(3), С. 483 - 483
Опубликована: Янв. 21, 2025
The
purpose
of
this
study
is
to
solve
the
problem
harmless
treatment
dredged
silt
and
soil
extraction
during
road
construction
in
lake
areas.
project
area
used
as
research
material
evaluate
its
engineering
applicability
an
improved
filling
for
roadbed
lake’s
surrounding
road.
Through
indoor
pretreatment
a
series
mechanical
performance
tests,
including
compaction
unconfined
compressive
strength
tests
(UCS),
bearing
ratio
(CBR),
triaxial
compression
(CU
consolidated
undrained),
consolidation
we
obtained
key
parameters
modified
sludge
soil,
such
maximum
dry
density,
optimal
moisture
content,
strength,
ratio,
shear
characteristics.
results
show
that
with
increase
modifier
dosage,
content
increases,
density
decreases,
significantly
improve.
CBR
value
also
meets
technical
requirements
each
layer
roadbed.
Specifically,
after
7
days
curing,
degree
10%
can
exceed
96%,
reaches
0.819
MPa,
17.5,
cohesion
measured
by
78
kPa,
internal
friction
angle
27°,
it
exhibits
low
compressibility.
These
findings
provide
new
solutions
environmentally
friendly
treatment,
resource
utilization,
river
sediments.
Язык: Английский
Preparing controlled low strength materials with cement-treated construction waste clay improved by sodium hexametaphosphate
PLoS ONE,
Год журнала:
2025,
Номер
20(2), С. e0314077 - e0314077
Опубликована: Фев. 6, 2025
To
solve
the
disposal
of
large
quantities
construction
waste
clay,
this
study
proposes
a
new
method
for
preparing
controlled
low
strength
materials
(CLSM).
Flow
tests,
unconfined
compressive
(UCS)
hydraulic
conductivity
tests
and
scanning
electron
microscope
(SEM)
analyses
were
performed
on
cement-treated
clay
with
different
additive
content
(e.g.
sodium
hexametaphosphate
(SHMP),
water
glass,
phosphogypsum
(PG)).
The
influence
mechanical
microstructural
properties
clay-based
CLSM
was
analyzed.
results
indicated
that
SHMP
greatly
enhanced
flowability
samples,
adding
1%SHMP
increased
fluidity
sample
by
more
than
80%,
whereas
5%
glass
had
negligible
effect.
Additionally,
10%
PG
improved
retention,
making
it
have
higher
after
30
mins
(more
200
mm).
interacted
Ca2+,
significantly
influencing
cement
hydration;
notably,
1%
resulted
notable
reduction
samples
from
167.5
kPa
to
21.5
at
1
day.
Although
increasing
early
strength,
led
decrease
in
later
maximum
late
observed
2%
SHMP.
Both
also
contributed
enhancement,
though
levels
diminished
their
effects.
While
markedly
permeability
resistance
(less
8
×
10-8
cm/s
28d),
showed
minimal
variation
dosage.
combination
SHMP,
effectively
enhances
content,
solving
contradiction
between
strength.
This
promotes
sustainable
development
green
building
materials.
Язык: Английский
Time-dependent small strain properties of a lime-treated lean clay
Construction and Building Materials,
Год журнала:
2025,
Номер
478, С. 141405 - 141405
Опубликована: Апрель 23, 2025
Язык: Английский
Influence of biopolymers on geotechnical properties and erosion resistance of colliery spoil dumps
Environmental Science and Pollution Research,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 30, 2025
Язык: Английский
Finite Element Analysis on the Behavior of Solidified Soil Embankments on Piled Foundations under Dynamic Traffic Loads
Applied Sciences,
Год журнала:
2024,
Номер
14(11), С. 4464 - 4464
Опубликована: Май 23, 2024
Most
research
conducted
so
far
has
primarily
focused
on
pile-supported
gravel
embankments.
The
ability
of
solidified
soil
used
as
an
embankment
filling
material
been
verified,
and
a
clear
view
the
performance
embankments
piled
foundations
is
rather
limited.
three-dimensional
unit
cell
models
are
to
investigate
in
comparison
under
static
dynamic
loads.
Then,
systematic
parametric
analysis
performed
effects
various
factors,
including
cohesion
friction
soil,
velocity
wheel
load
vehicles,
pile
spacing,
height
results
show
that,
compared
with
embankments,
heights
outer
arch
plane
reduces
loads,
piles
bear
more
load.
In
addition,
total
settlements
decrease
increasing
cohesions,
there
economical
25
kPa.
vehicle
load,
significantly
influence
transfer
mechanism
settlement
embankment,
while
angles
velocities
have
little
effect
vertical
stress.
relationship
between
parameters
established
by
multiple
regression
analysis.
This
investigation
highlights
advantage
reducing
provides
insightful
understanding
foundation.
Язык: Английский
Study on mechanical properties and mechanism of soda residue-fly ash stabilised marine clay based on orthogonal matrix method
Road Materials and Pavement Design,
Год журнала:
2024,
Номер
unknown, С. 1 - 22
Опубликована: Дек. 9, 2024
Improving
the
engineering
and
mechanical
properties
of
marine
clay
(MC)
by
modifying
it
with
soda
residue
(SR)
fly
ash
(FA),
stabilising
cement
/or
lime
to
create
Soda
residue-Fly
stabilised
soil
(SRFSS).
Using
orthogonal
design,
SRFSS
were
analyzed,
recommending
a
basic
proportion
70%
SR
+
20%
FA
10%
MC.
Results
showed
significantly
impacted
optimum
water
content
(OWC),
unconfined
compressive
strength
(UCS),
absorption
quality.
influenced
maximum
dry
density
(MDD),
while
cohesion
(c)
was
mainly
affected
cement.
Cement
had
higher
unit
contribution
rate
indices
than
lime,
except
for
MDD
OWC.
The
excellent
derived
from
good
gradation
cementation
action
materials.
This
research
provides
solution
improving
MC
promoting
solid
waste
reutilisation.
Язык: Английский
The engineering performance of EICP-modified municipal solid waste incineration bottom ash for road construction
Cleaner Materials,
Год журнала:
2024,
Номер
unknown, С. 100285 - 100285
Опубликована: Дек. 1, 2024
Язык: Английский
Replacing cement with GGBS to stabilize phosphogypsum-soil mixture in road materials: A comprehensive assessment of mechanical property, water stability and environmental performance
Construction and Building Materials,
Год журнала:
2024,
Номер
458, С. 139631 - 139631
Опубликована: Дек. 24, 2024
Язык: Английский
Mechanical properties of discarded shield residue improved by calcium carbide slag and fly ash as subgrade filling
PLoS ONE,
Год журнала:
2024,
Номер
19(12), С. e0314597 - e0314597
Опубликована: Дек. 3, 2024
To
utilize
discarded
shield
residue
and
alleviate
the
shortage
of
subgrade
filling,
industrial
wastes
such
as
calcium
carbide
slag
(CCS)
fly
ash
(FA)
were
considered
to
enhance
mechanical
properties
residue.
A
series
laboratory
tests,
including
California
Bearing
Ratio
(CBR)
unconfined
compressive
strength
(UCS)
moisture
content
pH
water
stability
dry-wet
cycles
tests
performed
on
with
additive
contents.
The
results
show
that
UCS
CBR
values
enhanced
significantly
increase
in
curing
time.
However,
stabilized
soil
exhibited
a
decreasing
trend.
early
CCS-FA
is
slightly
lower
than
QL-FA
soil.
After
60
days,
all
value
exceeding
1.9
MPa.
In
addition,
more
8
times
higher
those
original
Furthermore,
better
soil,
especially
at
7
days
14
days.
As
for
test,
after
fifth
cycle,
maintained
overall
integrity.
CCS
can
effectively
replace
QL
filling.
Язык: Английский