Materials,
Journal Year:
2024,
Volume and Issue:
17(17), P. 4293 - 4293
Published: Aug. 30, 2024
Urban
construction
generates
significant
amounts
of
residue
soil.
This
paper
introduces
a
novel
soil
stabilizer
based
on
industrial
waste
to
improve
its
utilization.
is
primarily
composed
blast
furnace
slag
(BFS),
steel
(SS),
phosphogypsum
(PG),
and
other
additives,
which
enhance
strength
through
physical
chemical
processes.
study
investigated
the
mechanical
properties
cured
with
this
stabilizer,
focusing
effects
organic
matter
content
(Oo),
dosage
(Oc),
curing
age
(T)
unconfined
compressive
(UCS).
Additionally,
water
stability
wet–dry
cycle
tests
stabilized
were
conducted
assess
long-term
performance.
According
findings,
UCS
increased
higher
longer
periods
but
reduced
content.
A
15–20%
recommended
for
optimal
stabilization
efficacy
cost-efficiency
in
engineering
applications.
The
samples
lost
their
when
immersed
water.
However,
adding
more
stabilizers
can
effectively
stability.
Under
conditions,
initially
then
decreased,
remaining
lower
than
that
under
standard
conditions.
findings
provide
valuable
data
practical
application
residual
stabilization.
Water,
Journal Year:
2024,
Volume and Issue:
16(4), P. 606 - 606
Published: Feb. 18, 2024
High-pile
foundation
is
a
common
form
of
deep
commonly
used
in
ocean
environments,
such
as
docks
and
bridge
sites.
Aiming
at
the
problem
bearing
capacity
high
pile
foundations,
this
paper
proposes
calculation
analysis
scour
depth
foundations
under
action
based
on
modified
p-y
curve.
In
paper,
three
kinds
mechanisms—natural
evolution
scour,
general
local
scour—are
described;
methods
widely
present
are
compared
analyzed.
The
solution
vertical
stress
soil
around
solved
applied
to
β
method
solve
lateral
resistance
scour.
erosion
equivalent
whole
erosion,
expression
ultimate
before
after
calculated,
respectively,
according
principle
that
certain
point
above
end
remains
unchanged.
distance
from
surface
can
be
obtained
simultaneously,
then
depth,
curve
sand
different
depths,
obtained.
Finally,
it
found
bending
moment
single
body
varies
along
parabola,
maximum
below
mud
increases
with
increase
horizontal
load.
When
scouring
30
m,
load
25
KN,
about
150
N·m.
data
relative
error
greater
than
10%
accounted
for
only
16.6%
total
data,
between
calculated
value
measured
was
small.
formula
predict
more
accurately.
Marine Georesources and Geotechnology,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 11
Published: March 18, 2024
Drainage
is
a
common
practice
in
geotechnical
engineering
concerning
dredged
marine
soils.
Current
drainage
techniques,
including
surcharge
preloading,
vacuum
and
combined
vacuum-surcharge
have
been
proven
to
be
effective
soft
soil
treatment,
but
are
also
criticized
for
their
high
energy
consumption.
This
paper
made
brief
review
on
existing
techniques
proposed
some
prospects
the
next-generation
response
public
concern
of
sustainability.
It
found
that
all
conventional
preloading
well
studied
from
tests
modeling,
improved
tends
used
combination
with
other
techniques.
lower
consumption
can
realized
either
by
using
renewable
or
designing
biomimetic
devices.
The
expected
provide
comprehensive
while
concise
report
recent
advances
soils
meanwhile
give
an
insight
into
further
development
towards
more
sustainable
future.
Frontiers in Earth Science,
Journal Year:
2024,
Volume and Issue:
12
Published: June 12, 2024
Debris
flow
is
a
prevalent
geological
disaster
in
Beijing,
particularly
the
Mentougou
District,
situated
mountainous
southwestern
region
of
Beijing
City.
The
past
irrational
exploitation
minerals
has
led
to
substantial
accumulation
slag,
providing
abundant
loose
materials
for
formation
debris
study
area.
Different
from
traditional
method
using
hazard
and
vulnerability
carry
out
risk
assessment,
this
paper
proposes
assessment
based
on
(a)
possibility
occurrence,
(b)
value
disaster-affected
object,
(c)
destructiveness
flow.
41
gully
flows
occurring
was
determined
through
theoretical
calculations.
Using
SFLOW
model,
runout
potential
simulated.
On
basis,
an
investigation
objects
carried
out.
At
same
time,
according
simulated
movement
information
flow,
its
determined.
According
results
occurrence
destructiveness,
levels
gullies
District
were
obtained.
research
can
guide
warning
systems
Beijing.
Sustainability,
Journal Year:
2023,
Volume and Issue:
15(19), P. 14620 - 14620
Published: Oct. 9, 2023
The
cost
and
environmental
impact
of
sludge
disposal
methods
highlight
the
necessity
new
solutions
for
resource
recovery.
This
study
aims
at
concurrently
producing
activated
carbon
while
recovering
phosphorous
by
applying
an
integrated
thermo-chemical
treatment
to
a
industrial
origin.
was
first
subjected
slow
pyrolysis
on
laboratory
scale
different
temperatures,
produced
chars
were
processed
leaching
obtain
biocoal.
Leaching
tests
enabled
us
define
optimal
temperatures
maximize
performances.
Then,
in
pilot-scale
plant,
char
acid
finally
physical
activation.
Chemical
precipitation
then
applied
liquid
leachate
recover
as
salt.
Laboratory-scale
showed
that
higher
temperature
leads
lower
degree
demineralization
leaching.
reduce
ash
content
almost
88%,
extracting
100%
P,
Mg,
Ca,
Fe
90%
Al.
Physical
activation
biocoal
with
CO2
700
800
°C
materials
surface
area
353
417
m2
g−1,
respectively,
make
them
potentially
applicable
adsorbents
wastewater
or
emissions
processes.
Moreover,
carbons
atomic
H/C
O/C
ratios
anthracite,
which
opens
wide
range
alternative
market
applications
fossil
coal,
such
metallurgy
advanced
material
sector.
In
addition,
high
P
K
concentrations
salt
obtained
it
promising
fertilizing
product
line
current
regulations.
