Leveraging machine learning to evaluate the effect of raw materials on the compressive strength of ultra-high-performance concrete
Results in Engineering,
Год журнала:
2025,
Номер
25, С. 104542 - 104542
Опубликована: Март 1, 2025
Язык: Английский
Effects of aggregate morphology and particle size distribution modulus on the rheological properties and microstructure of low water/binder cement-based composites (LW/B-CC)
Powder Technology,
Год журнала:
2025,
Номер
unknown, С. 120608 - 120608
Опубликована: Янв. 1, 2025
Язык: Английский
Kaolinite plastic binder in mortars: Rheological and mechanical properties
Powder Technology,
Год журнала:
2024,
Номер
444, С. 120072 - 120072
Опубликована: Июль 9, 2024
Язык: Английский
Studying the role of fine materials characteristics on the packing density and rheological properties of blended cement pastes
Applied Rheology,
Год журнала:
2025,
Номер
35(1)
Опубликована: Янв. 1, 2025
Abstract
This
study
explores
the
use
of
ten
different
fine
materials
to
partially
substitute
cement,
aiming
reduce
greenhouse
gas
emissions
from
cement
production.
The
include
two
types
fly
ash
(coarse
and
fine),
blast
furnace
slag,
silica
fume
(SF),
three
grades
limestone
powder
(coarse,
medium,
quartz
powder.
physical,
chemical,
mineralogical
properties
these
were
analyzed,
51
pastes
produced
effects
particle
characteristics
on
packing
density
(PD)
fresh
paste
properties.
Parameters
such
as
size
distribution,
specific
surface
area,
shape
examined
in
relation
PD,
flowability,
rheological
behavior
(yield
stress
plastic
viscosity).
Both
De
Larrard
centrifugal
consolidation
methods
used
measure
PD.
experimental
results
revealed
that
incorporation
coarse
increases
PD
61.5%,
while
addition
decreases
it
55.1%.
SF
up
10%
replacement;
however,
with
excess
content,
due
high
fineness
particles.
Additionally,
exhibited
lowest
flow
spread,
112
mm
(62%
reference
paste).
Plastic
viscosity
area
Fly
can
be
replace
by
50%
without
deteriorating
flowability
pastes.
Язык: Английский
Influence of silica fume on pore structure, mechanical properties and carbon emission of reactive powder concrete prepared by ice crystal homogenization technology
Case Studies in Construction Materials,
Год журнала:
2024,
Номер
unknown, С. e03972 - e03972
Опубликована: Ноя. 1, 2024
Язык: Английский
Optimization of UHPC based on reactive powder concrete: Box-Behnken Design, analysis of variance, components interaction effects and sensitivity analysis
Journal of Building Engineering,
Год журнала:
2024,
Номер
unknown, С. 111291 - 111291
Опубликована: Ноя. 1, 2024
Язык: Английский
Study on the Performance of High-Performance Mortar (HPM) Prepared Using Sodium-Silicate-Modified Graphite Tailing Sand
Ruixin Jiang,
Zhengjun Wang,
Yingxin Du
и другие.
Buildings,
Год журнала:
2024,
Номер
14(10), С. 3269 - 3269
Опубликована: Окт. 15, 2024
In
order
to
rationalize
the
consumption
of
graphite
tailing
sand
and
reduce
its
pollution
environment—with
sodium
silicate
being
a
commonly
used
activator
for
improving
strength
concrete
composites—in
this
study,
joint
effects
(SS)
tail
(GT)
on
frost
resistance
high-performance
mortar
(GT-HPM)
were
investigated.
Experiments
conducted
evaluate
bulk
density,
water
absorption,
compressive
strength,
speed
sound,
working
performance
status
GT-HPM
before
after
freezing
thawing
at
different
SS
dosages
GT
substitution
rates.
The
microstructural
properties
also
analyzed
by
X-ray
diffraction
(XRD),
Fourier-transform
infrared
spectroscopy
(FT-IR),
scanning
electron
microscopy
(SEM/EDS).
results
showed
that
4%
doping
improved
more
obviously.
Moreover,
with
an
increase
in
rate,
mechanical
increased
firstly
then
decreased,
best
was
obtained
when
rate
20%.
At
6%
doping,
gradually
decreased
rate.
FT-IR
testing
there
no
significant
change
type
hydration
products
used,
Si–O–T
absorption
peak
average
bond
length
GT-4
largest.
promoted
generation
products.
Microstructural
analysis
reaction;
addition,
appropriate
amount
pore
structure
HPM,
resistance,
provided
fundamental
insights
subsequent
comprehensive
utilization
sand.
Язык: Английский