Engineering Performance and Mechanism of Alkali-Activated Ground Granulated Blast Furnace Slag–Zeolite Powder Grouting Materials
Applied Sciences,
Год журнала:
2025,
Номер
15(6), С. 3345 - 3345
Опубликована: Март 19, 2025
Geopolymer-based
grouting
materials
often
have
a
higher
early
strength,
better
durability,
and
lower
environmental
impact
than
those
of
traditional
cement-based
grouts.
However,
existing
geopolymer
grouts
face
common
challenges
such
as
rapid
setting
low
compatibility
with
treated
substrates.
This
study
develops
new
material
using
industrial
byproducts
to
overcome
these
limitations
while
optimizing
performance
for
reinforcing
silty
mudstone
slopes.
The
base
used
were
ground
granulated
blast
furnace
slag
(GGBFS)
zeolite
powder,
calcium
lignosulphonate
(CL)
serving
the
retarding
agent
NaOH
alkali
activator.
investigation
focused
on
effects
mix
ratio
water–binder
time,
flowability,
bleeding
rate,
concretion
compressive
strength
material.
Scanning
electron
microscope
(SEM)
X-ray
diffraction
(XRD)
analyses
employed
examine
action
mechanism
components
in
slurry.
one-factor
standard
deviation
method
Grey
Relational
Analysis
(GRA)
assess
influence
each
component
slurry
indices
correlation
between
index
its
optimal
ratio.
Subsequently,
was
ascertained.
results
indicate
that
time
is
positively
correlated
powder
CL
dosages
ratio,
it
inversely
related
dosage.
flowability
significantly
enhanced
increasing
dosages,
but
decreases
at
dosage
insight
crucial
workability
under
various
conditions.
grout
powder:GGBFS:CL:NaOH
=
30:70:5:7,
0.6.
Compared
commercial
materials,
this
comparable
mudstone.
reduces
problem
stress
concentration
grout–rock
interface
due
differences,
thus
effectively
reducing
risk
secondary
cracking
interface.
These
findings
provide
solution
repairing
fractured
Язык: Английский
Performance evaluation of geopolymer grout materials derived from high-volume circulating fluidized bed fly ash and ground granulated blast furnace slag
Construction and Building Materials,
Год журнала:
2025,
Номер
474, С. 141082 - 141082
Опубликована: Апрель 4, 2025
Язык: Английский
Evaluation of mechanical properties and cracking resistance of shrinkage-compensating concrete reinforced by expansive agents with polypropylene fibers
Case Studies in Construction Materials,
Год журнала:
2024,
Номер
22, С. e04171 - e04171
Опубликована: Дек. 28, 2024
Язык: Английский