Evaluation of the mechanical behavior of concrete with the addition of dry corn fiber
Innovative Infrastructure Solutions,
Год журнала:
2025,
Номер
10(1)
Опубликована: Янв. 1, 2025
Язык: Английский
Role of porous aggregate types on the sulfate attack resistance of cement mortar
Construction and Building Materials,
Год журнала:
2025,
Номер
483, С. 141781 - 141781
Опубликована: Май 14, 2025
Язык: Английский
Study on Key Properties and Model Establishment of Innovative Recycled Aggregate Pervious Concrete
Опубликована: Июнь 4, 2024
Traditional
concrete
pavements
have
poor
water
permeability,
while
the
strength
of
pervious
is
low.
To
solve
these
problems,
this
study
designed
Innovative
recycled
aggregate
(I-RAPC)
with
controllable
permeability
and
high
by
using
response
surface
methodology,
investigated
effects
different
pore
parameters
(number,
diameter,
material,
distribution
form,
etc.)
on
performance
I-RAPC.
And
discount
factor
method
was
proposed
to
construct
theoretical
calculation
model
compressive
pipe
parameters,
coefficient
established
at
same
time.
The
results
show
that
fewer
number
holes
smaller
diameter
I-RAPC,
higher
its
coefficient.
can
accurately
evaluate
discounting
effect
maximum
relative
error
only
7.52%,
4.42%.
I-RAPC
has
advantages
performance,
which
overcomes
problems
random
space,
uncertainty
ordinary
concrete.
Язык: Английский
Investigating the properties of sprayed insulating cementitious materials with corn cobs
Lianjun Chen,
Lingnan Cui,
Ping Wang
и другие.
Case Studies in Construction Materials,
Год журнала:
2024,
Номер
20, С. e03330 - e03330
Опубликована: Май 22, 2024
As
the
mining
depth
increases,
underground
space
will
face
more
serious
thermal
hazards.
By
using
corn
cobs,
an
agricultural
waste,
to
prepare
cementitious
insulation
materials,
active
layers
are
constructed
by
injecting
materials
into
spaces
material
spraying
techniques.
This
article
designed
ratios
of
cob
sprayed
and
analyzed
changes
in
properties
obtained
adding
0-25%
cobs.
The
results
study
showed
that
addition
different
proportions
cobs
improved
6.9%-75.5%
as
compared
ordinary
mortar
material.
mechanical
became
25.9%-113.6%
original.
When
is
wetted
for
than
10
min,
fluidity
sufficient
reach
minimum
standard
operations.
Considering
comprehensive
performance
material,
it
concluded
wetting
time
30
20%,
particle
size
200
mesh,
amount
sand
doping
40%
optimal
studied
materials.
lightweight
spray
great
significance
controlling
ambient
temperature
deep
space,
promoting
cleaner
production
improving
use
environmental
resources.
Язык: Английский
A novel biomass bamboo coarse aggregate concrete: Cyclic axial compression behaviour and modelling
Soil Dynamics and Earthquake Engineering,
Год журнала:
2024,
Номер
188, С. 109096 - 109096
Опубликована: Ноя. 18, 2024
Язык: Английский
High-Performance Concrete from Rubber and Shell Waste Materials: Experimental and Computational Analysis
Materials,
Год журнала:
2024,
Номер
17(22), С. 5516 - 5516
Опубликована: Ноя. 12, 2024
Waste
and
its
environmental
impact
have
driven
the
search
for
sustainable
solutions
across
various
industries,
including
construction.
This
study
explores
incorporation
of
solid
waste
in
production
eco-friendly
structural
concrete,
aiming
to
reduce
pollution
promote
ecological
construction
practices.
In
this
context,
two
types
concrete
were
produced
using
marine
shells
recycled
rubber
as
materials
compared
with
conventional
through
experimental
computational
approaches.
The
results
demonstrated
that
achieved
a
compressive
strength
32.4
MPa,
26.5%
higher
than
1%
reduction
weight.
contrast,
exhibited
22.5
2
MPa
decrease
but
4.3%
density.
Computational
analysis
revealed
porosity
affects
Young’s
modulus,
directly
resulting
maximum
achievable
strength.
work
demonstrates
it
is
feasible
produce
proper
integration
industrial
waste,
contributing
decarbonization
valorization.
Язык: Английский
Simulation of Heavy Metal Removal in Irrigation Water Using a Shell-Derived Biochar-Integrated Ecological Recycled Concrete
Water,
Год журнала:
2024,
Номер
16(24), С. 3646 - 3646
Опубликована: Дек. 18, 2024
Water
pollution
intensifies
water
scarcity
and
poses
a
significant
threat
to
ecosystems
human
health.
Construction
waste
generated
by
rapid
urbanization
also
imposes
considerable
burden
on
the
environment.
Fortunately,
large
portion
of
this
can
be
efficiently
converted
into
recycled
aggregates
reused
in
various
fields
including
environmental
remediation.
In
study,
three
types
eco-recycled
concretes
(ERC)
(Control-ERC,
Biochar-ERC-1,
Biochar-ERC-2)
were
formulated
integrating
shell-derived
biochar
with
aggregates.
The
porosity
permeability
these
characterized,
their
efficacy
evaluated
treating
polluted
six
primary
heavy
metals
(HMs),
i.e.,
cadmium
(Cd),
chromium
(Cr),
arsenic
(As),
manganese
(Mn),
lead
(Pb),
copper
(Cu).
Biochar
addition
significantly
enhanced
continuous
concrete,
substantially
its
adsorption
capacity
HMs.
Specifically,
Biochar-ERCs
removed
over
90%
As,
Cd,
Mn,
achieved
removal
rate
exceeding
60%
for
other
HMs,
surpassing
performance
Control-ERC.
This
study
not
only
lays
solid
foundation
wide
application
field
protection
remediation,
but
provides
strong
technical
support
practical
examples
advancing
circular
economy
model
converting
resources
while
addressing
challenge
global
scarcity.
Язык: Английский
Study on Key Properties and Model Establishment of Innovative Recycled Aggregate Pervious Concrete
Materials,
Год журнала:
2024,
Номер
17(14), С. 3535 - 3535
Опубликована: Июль 17, 2024
In
order
to
meet
the
needs
of
low-impact
development
and
sustainable
development,
there
is
an
urgent
desire
develop
innovative
recycled
aggregate
pervious
concrete
(I-RAPC)
that
high
strength
permeability.
this
study,
I-RAPC
was
prepared
based
on
response
surface
methodology
(RSM)
using
aggregate,
river
sand,
different
types
pipes
as
materials,
effects
pipe
parameters
(number,
diameter,
material,
distribution
form)
performance
were
investigated.
addition,
calculation
model
compressive
permeability
coefficient
proposed.
The
results
showed
frontal-
lateral-compressive
strengths
39.8
MPa
42.5
MPa,
respectively,
when
material
acrylic,
position
1EM,
diameter
10
mm-at
which
time
3.02
mm/s,
highest
in
study.
maximum
relative
errors
only
7.52%
4.42%,
shown
by
post
hoc
test.
Therefore,
has
advantages
expected
be
applied
cities
with
heavy
sediment
content
rainfall.
Язык: Английский