CivilEng,
Journal Year:
2024,
Volume and Issue:
5(4), P. 1135 - 1160
Published: Dec. 3, 2024
The
ever-increasing
material
performance
requirements
in
modern
engineering
structures
have
thrust
engineered
cementitious
composites
(ECCs)
into
the
limelight
of
civil
research.
exceptional
tensile,
bending,
and
crack-control
abilities
ECCs
sparked
significant
interest.
However,
current
research
on
mechanical
behavior
primarily
focuses
uniaxial
tensile
compressive
constitutive
relationships,
leaving
a
gap
form
comprehensive
multidimensional
model
that
can
fully
describe
its
complex
at
large
strains.
This
study
rigorously
addresses
this
by
initially
investigating
through
experiments
establishing
one-dimensional
relationship
ECCs.
It
then
introduces
concepts
damage
energy
release
rate
equivalent
strain,
constructs
three-dimensional
introducing
variable
function.
We
write
numerical
algorithm
our
theoretical
terms
VUMAT
subroutine
implement
it
ABAQUS
2019
finite
element
software.
validate
accuracy
practicality
comparing
experimental
data
tension/compression
four-point
bending.
paper
enriches
system
provides
rigorous
guidance
for
optimization
practical
application
such
advanced
materials.
Results in Engineering,
Journal Year:
2024,
Volume and Issue:
22, P. 102162 - 102162
Published: May 3, 2024
Interpenetrating
phase
composites
(IPC)
materials
are
designed
to
combine
the
advantages
of
made-from
or
develop
an
intended
behavior.
Recently,
use
3D
printed
structures
has
received
attention
due
advantages,
such
as
rapid
and
cheap
prototyping
techniques
complex
structures.
However,
most
materials,
polylactic
acid
(PLA)
used
for
conventional
printing,
have
low
strength
insignificant
durability.
To
overcome
these
issues,
excellent
characteristics
polymer
adhesives,
epoxy
resin,
can
be
increase
their
In
this
paper,
PLA-based
samples
resin
adhesive
were
merged
interpenetrating
composite.
The
with
25,
50,
75,
100
infill
percentages
tested
in
direct
tensile,
bending,
mode-I
fracture.
From
results,
it
seen
that
reducing
percentage
25%
reduces
tensile
16,
9,
3
MPa
(-40%,
-66%,
-90%
compared
sample
100%
26
strength),
adding
IPC,
results
24,
29
32
strength.
Compared
3D-printed
parts
same
percentages,
IPCs
150,
320,
1140%
higher
strengths,
respectively.
Also,
failed
reviewed
by
scanning
electron
microscope.
Case Studies in Construction Materials,
Journal Year:
2024,
Volume and Issue:
20, P. e03355 - e03355
Published: May 29, 2024
Green
cementitious
materials
are
usually
developed
by
the
addition
of
high
volumes
mineral
fillers.
However,
minerals
can
result
in
reduction
mechanical
strength.
ECCs
obtain
their
superior
behavior
from
a
volume
fraction
fibers.
In
ECCs,
matrix's
strength
and
bond
between
fibers
matrix
is
critical
parameter,
if
it
becomes
weak,
whole
composite
weak
or
may
pull
out
matrix.
this
study
on
green
to
increase
also
fiber/matrix
bonding,
acrylic
resin
used
4
contents
(e.g.,
0,
2,
4,
6%
weight).
The
tests
performed
ECC
plain
cement
paste
(PCP)
included
tensile,
compressive,
flexural.
results
show
that
increases
tensile
strength,
about
2.0
MPa,
up
20%,
compressive
increased
88
MPa
100
MPa.
Due
ductility,
energy-based
indexes
more
significantly.
Acrylic
optimum
content
was
measured
as
1.5
2.7%
(by
trends
effective
for
because,
enhancing
bonding
fiber.
Seeking
relationship
results,
nonlinear
regression
used,
governing
equations
were
presented.
Also,
using
model,
parameters
predicted
successfully
input
parameters.
Structural Concrete,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 5, 2025
Abstract
Glass
fiber‐reinforced
concrete
is
a
favorable
material
for
constructing
structures,
especially
those
placed
in
watery
environments.
The
the
environments
can
be
roughly
two
conditions,
above
water
(dry)
or
under
(submerged).
On
other
hand,
bodies
also
categorized
as
fresh
salt
water.
In
current
study,
effect
of
fiber
length
(e.g.,
plain,
10,
20,
and
30
mm),
curing
environment
dry,
fresh,
saltwater),
age
(28,
90,
180
days)
was
studied
on
glass
reinforced
concrete.
measured
mechanical
parameters
were
direct
tensile
(
σ
t
)
compressive
c
strengths,
along
with
pure
mode‐I
K
Ic
mode‐II
fracture
IIc
resistance.
results
show
that
strength,
toughness
constantly
increase
to
mm,
while
strength
reduces
if
increases
by
more
than
15
mm.
optimum
obtained
mm
(based
data).
trend
analysis
shows
meaningful
relation
between
mode
I
II
toughness.
Polymer Composites,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 6, 2025
Abstract
This
study
focuses
on
the
numerical
modeling
of
multilayer
composite
pipes,
specifically
those
incorporating
a
glass
fiber‐reinforced
polypropylene
layer.
The
research
investigates
mechanical
properties
high
modulus
grade,
BA212E,
and
material,
PP‐GF30,
which
contains
30
wt.%
fibers.
Various
hyperelastic
material
models
are
evaluated
to
accurately
represent
behavior
these
materials
under
different
loading
conditions.
It
was
found
that
Yeoh
model
combined
with
nonlinear
isotropic
hardening
plasticity
provides
most
suitable
representation
behaviors
materials.
validated
through
simulations
three‐point
bending
pipe
compression
tests,
demonstrating
good
agreement
experimental
data.
Highlights
Glass
pipes
for
improved
stiffness.
Comparative
evaluation
multiple
models.
captures
BA212E
PP‐GF30
accurately.
offers
optimal
behavior.
Validated
via
data
correlation.
