Desulfurized gypsum regulates the hydration and hardening process of all-solid-waste-based belite sulphoaluminate cement paste
Construction and Building Materials,
Journal Year:
2024,
Volume and Issue:
456, P. 139260 - 139260
Published: Nov. 20, 2024
Language: Английский
Effect of particle size on cement foams
Cement and Concrete Composites,
Journal Year:
2024,
Volume and Issue:
150, P. 105548 - 105548
Published: April 19, 2024
Language: Английский
Influence de la perlite sur le comportement mécanique, l’absorption capillaire et la conductivité thermique des mortiers
Omar Belaribi,
No information about this author
Omar Safer,
No information about this author
Nadia Belas
No information about this author
et al.
The Journal of Engineering and Exact Sciences,
Journal Year:
2024,
Volume and Issue:
10(3), P. 18800 - 18800
Published: May 13, 2024
Le
sol
algérien
est
riche
en
matériaux
pouzzolaniques
naturels,
tels
que
la
perlite
naturelle,
dans
région
ouest
plus
précisément
Hammam
Boughrara
à
Maghnia
(Tlemcen).
Malheureusement,
ils
ne
sont
pas
encore
totalement
exploités.
La
perlite,
grâce
ses
composants
chimiques
l’occurrence
silice
et
l'alumine
qui
lui
procurent
des
propriétés
intéressantes,
s’octroie
le
privilège
d’être
utilisée
comme
un
ajout
minéral
actif
production
du
ciment.
Cette
étude
contribue
apporter
de
données
relatives
valorisation
substitut
partiel
au
Pour
ce
faire
mortiers
contenant
différents
taux
(0%,
10%,
15%,
20%
25%)
ont
été
confectionnés.
Les
comportements
cinq
formulations
l’état
frais
(consistance,
maniabilité
prise)
durci
(absorption
capillaire,
thermo-physiques
résistances
compression)
étudiés.
résultats
l’étude
expérimentale
prouvent
influe
positivement
sur
les
mortiers.
possibilité
l’employer
dosages
allant
jusqu’à
25%
but
diminuer
ciment
implique
avantage
économique
écologique.
Par
ailleurs,
comportement
mécanique
compression
satisfaisant
long
terme
pour
20%,
a
noté.
En
outre,
composés
présentent
faibles
conductivités
thermiques
permet
mettre
évidence
l’effet
bénéfique
isolant
thermique
l’intérêt
valoriser
cet
ajout.
Effect and mechanism of activators on the properties of Yellow River sediment/fly ash/cement-based alkali-activated cementitious materials used for coal mine filling
Ze Yu,
No information about this author
Baomin Wang,
No information about this author
Gaonian Li
No information about this author
et al.
Construction and Building Materials,
Journal Year:
2024,
Volume and Issue:
445, P. 137955 - 137955
Published: Aug. 22, 2024
Language: Английский
Study of the impact of sediments on the mechanical behavior of concrete and towards the penetration of carbon dioxide
Omar Safer,
No information about this author
Adem Ait Mohamed Amer,
No information about this author
Omar Belaribi
No information about this author
et al.
STUDIES IN ENGINEERING AND EXACT SCIENCES,
Journal Year:
2024,
Volume and Issue:
5(1), P. 3022 - 3055
Published: June 18, 2024
Dam
reservoirs
are
exposed
to
a
loss
of
water
storage
capacity
due
the
phenomenon
siltation.
This
particularity
can
be
expressed
by
siltation
and
entrainment
particles
transported
watercourses.
Siltation
is
critical
state
which
causes
reduction
in
dams.
Algeria
characterized
semi-arid
climate,
annually
loses
considerable
volume
storage.
The
carbonation
concrete
influenced
number
parameters
accelerate
its
kinetics.
These
porosity
concrete,
quantity
lime
contained
cement,
concentration
CO2
atmosphere
humidity
environment.
It
should
noted
that,
being
vector
for
moving
aggressive
agents,
carbon
dioxide
only
diffuse
through
if
latter
not
completely
saturated
perfectly
dry
at
same
time.
Another
factor
increasing
permeability
amount
limestone
added
cement
during
manufacture
factory.
allows
diffusion
or
other
agents
concrete.
addition
must
therefore
used
with
caution.
objective
propose
economically
competitive
easy-to-implement
formulations
allow
valorization
these
materials
making
ordinary
partial
substitution
(10,
20
30%)
influence
on
progress
long-term
after
six
years
curing
open
air.
sediment
treated
calcination
750°C
make
it
active.
Natural
tests
were
carried
out
study
concretes
order
evaluate
their
durability.
results
obtained
confirmed
possibility
producing
incorporating
calcined
sludge
dosages
up
30%
without
compromising
quality
from
point
view
behavior
face
attacks
dissolution
air
interstitial
solution
meeting
economic,
ecological
technological
objectives.
Language: Английский
Properties of cement-based materials made with sediment and calcined sediment: A critical review
Can Lin,
No information about this author
Zengfeng Zhao,
No information about this author
Jie-Lin Tao
No information about this author
et al.
Journal of Building Engineering,
Journal Year:
2025,
Volume and Issue:
unknown, P. 112609 - 112609
Published: April 1, 2025
Language: Английский
Physico-mechanical characterization and study of the performance of an ecofriendly mortar based on perlite of Maghnia-Algeria
Mohamadi Saddika,
No information about this author
Arbaoui Ahcène,
No information about this author
Boumaiza Malika
No information about this author
et al.
STUDIES IN ENGINEERING AND EXACT SCIENCES,
Journal Year:
2024,
Volume and Issue:
5(2), P. e12299 - e12299
Published: Dec. 17, 2024
In
the
cement
industry,
search
for
more
economical
binders
using
waste
and
natural
resources
has
become
crucial
to
overcome
shortage
of
Portland
respect
environment.
Algeria
significant
potential
in
such
as
perlite,
a
volcanic
rock
that
can
be
finely
ground
used
an
active
mineral
additive
production
reduce
release
CO2.
This
study
examines
benefits
feasibility
perlite
partial
substitute
mortar
manufacturing,
with
volume
substitution
rates
5%,
10%,
15%,
20%
25%.
Tests
were
carried
out
evaluate
physical,
mechanical
thermal
behavior,
including
consistency,
setting
time,
workability,
capillary
absorption,
strength
conductivity.
The
results
obtained
indicate
presence
increases
water
requirement,
accelerates
time
fresh
state
improves
absorption
hardened
state.
long
term,
containing
develops
resistance
greater
than
reference
(0%
perlite)
which
proportionally
increase
percentage
used.
addition,
perlite-based
presents
interesting
physical
properties,
highlighting
advantages
insulator
interest
reinforcing
this
ecological
addition.
Language: Английский