European Journal of Environmental and Civil engineering,
Год журнала:
2024,
Номер
unknown, С. 1 - 25
Опубликована: Дек. 28, 2024
This
study
aimed
to
develop
engineered
geopolymer
composites
(EGCs)
having
considerably
greater
ductility
than
that
of
the
cementitious
composite
(ECC)
for
similar
compressive
strength.
For
this,
three
groups
fly
ash
(FA)-based
EGC
mixtures
with
different
total
binder
(AL+FA)
and
alkali
liquids/fly
(AL/FA)
were
produced.
After
observing
workability
characteristics
EGCs
ECC,
subjected
initial
curing
conditions:
48
h
at
100
°C,
24
70
°C.
The
test
results
showed
almost
all
exhibited
strain-hardening
behaviour.
While
temperature
time
increased,
strength
flexural
improved
as
well
decreasing
ductility.
Moreover,
mechanical
properties
including
enhanced
by
increment
AL+FA.
cured
°C
ultra-ductile
also
supported
XRD,
TGA/DTA
FTIR.
International Journal of Applied Ceramic Technology,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 29, 2025
Abstract
This
research
targets
to
produce
new
composites
from
a
highly
reactive
metakaolin‐based
geopolymer
matrix
reinforced
with
natural
particles
for
use
in
sustainable
ceramics,
building
and
construction.
Commercial
waterglass
added
mineral
were
optimized
provide
higher
strength,
stability,
durability.
The
design
method
implicated
flexural
strength
of
one
type
commercial
metakaolin,
formulation,
single‐low‐energy
processing,
seven
types
particles.
particulate
reinforcement
formulations
the
were:
(1)
20
wt%
chamotte
40
Prairie
fine
sand;
(2)
Quikrete
medium
(3)
(4)
ball‐milled
(5)
sand
(6)
(7)
10
50
sand.
Potassium
metasilicate
Kasolv
16
11
M
water,
Metamax
sand,
(BF20PF40)
resulted
highest
composite.
BF20PF40
also
yielded
lower
mass
loss,
packing
density,
better
thermal
stability.
