Case Studies in Construction Materials,
Год журнала:
2024,
Номер
20, С. e03035 - e03035
Опубликована: Март 5, 2024
Aquatic
environments
can
be
severely
harsh,
so
structures
need
suitable
materials
to
endure
them.
Among
the
promising
for
aquatic
are
cementitious
composites;
however,
their
ability
withstand
degrading
should
evaluated.
This
study
aims
evaluate
composite's
mechanical
and
fracture
behavior
with
seven
mix
designs
in
three
submerged
fresh
saltwater
exposed
a
simulated
offshore
tidal-splash
regime.
Environmental
exposure
durations
were
chosen
as
28,
90,
365
days.
Cementitious
composites
developed
glass,
PVA,
PP
fibers.
The
results
show
different
behaviors,
from
fully
brittle
(without
fiber)
strain-hardening
(made
of
PVA
fibers).
In
splash
zone
environment,
up
25%
strength
degradation
is
seen
most
severe
conditions.
parameters,
indexes
reduced
more
severely.
failure
patterns
investigated,
some
SEM
photos
presented,
statistical
evaluations
(including
trends
correlations)
presented.
Cement and Concrete Composites,
Год журнала:
2024,
Номер
148, С. 105449 - 105449
Опубликована: Янв. 23, 2024
Blasts
resulted
from
industrial/residential
accidents
and
deliberate
attacks
can
impose
extremely
hazardous
loading
conditions
upon
nearby
structures.
The
repercussions
of
these
blasts
encompass
not
only
direct
effects
such
as
blast
overpressure
fragments
but
also
indirect
outcomes
like
progressive
collapse
In
the
pursuit
enhanced
protection
for
concrete
structures,
substantial
endeavors
have
been
directed
towards
developing
innovative
construction
materials
with
outstanding
properties,
among
which
ultra-high
performance
(UHPC)
has
emerged
a
notable
representative.
Drawing
existing
experimental,
numerical
theoretical
studies,
this
paper
presents
an
inclusive
overview
recent
progress
in
UHPC
structural
members
(slabs,
beams
columns)
UHPC-based
composite
structures
(mesh
reinforced
UHPC,
UHPC-filled
steel
tube
strengthening
normal
(NRC)
structures)
their
ability
to
withstand
loads.
While
discussing
exceptional
material
dynamic
recommendations
are
offered
further
research
directions
utilising
resist
loads,
include
exploring
eco-friendly
integrating
3D
printing
technology
employing
machine
learning
analytical
methods.
