Bacterial biomineralization of heavy metals and its influencing factors for metal bioremediation
Souradip Mallick,
Trisnehi Pradhan,
Surajit Das
и другие.
Journal of Environmental Management,
Год журнала:
2025,
Номер
373, С. 123977 - 123977
Опубликована: Янв. 1, 2025
Язык: Английский
Combined effects of low-heat cement, expansive agent and shrinkage-reducing admixture on drying shrinkage and cracking of concrete
Case Studies in Construction Materials,
Год журнала:
2025,
Номер
22, С. e04344 - e04344
Опубликована: Янв. 31, 2025
Язык: Английский
Factors and mechanisms affecting the workability and self-healing performance of microbial self-healing concrete: A review
Structures,
Год журнала:
2025,
Номер
74, С. 108494 - 108494
Опубликована: Март 4, 2025
Язык: Английский
Analysis of limestone mine dust curing based on microbially induced calcium carbonate precipitation and its mechanism
Journal of environmental chemical engineering,
Год журнала:
2024,
Номер
12(5), С. 114041 - 114041
Опубликована: Сен. 4, 2024
Язык: Английский
Synergistic pH-bioadditive strategy for self-healing concrete: Achieving high-efficiency calcite crystallization and sustainable infrastructure rehabilitation
Construction and Building Materials,
Год журнала:
2025,
Номер
484, С. 141835 - 141835
Опубликована: Май 19, 2025
Язык: Английский
Carbonation and Chloride Resistance Characteristics of Self-Developed Limestone Calcined Clay Cement (LC3) Derived from Excavated Spoil
Materials,
Год журнала:
2025,
Номер
18(11), С. 2546 - 2546
Опубликована: Май 28, 2025
To
validate
the
long-term
performance
of
self-developed
limestone
calcined
clay
cement
(LC3),
this
study
evaluated
durability
LC3
produced
using
excavated
spoil.
Results
showed
that
exhibited
a
faster
chloride
adsorption
rate
than
OPC,
achieving
peak
binding
capacity
within
14
days,
although
its
total
chloride-binding
was
slightly
lower.
The
diffusion
coefficient
approximately
one
order
magnitude
lower
enhancing
resistance.
However,
demonstrated
weaker
carbonation
resistance
due
to
complete
decomposition
portlandite
(Ca(OH)2)
and
ettringite
(AFt),
alongside
partial
degradation
calcium
silicate
hydrate
(C-S-H)
gels,
resulting
in
pore
structure
coarsening.
Compared
made
with
commercial
metakaolin
(K0),
K1
K2
clays
from
spoil
comparable
but
penetration
Its
surpassed
K0-based
LC3.
Overall,
matched
metakaolin-based
durability,
validating
use
locally
sourced
clays.
Producing
addresses
environmental
challenges
associated
disposal
while
delivering
satisfactory
durability.
Язык: Английский
Non-Destructive Testing of Concrete Materials from Piers: Evaluating Durability Through a Case Study
NDT,
Год журнала:
2024,
Номер
2(4), С. 532 - 548
Опубликована: Дек. 6, 2024
Concrete
is
currently
the
most
used
construction
material,
mainly
due
to
its
mechanical
strength,
chemical
stability,
and
low
cost.
This
material
affected
by
wear
processes
caused
environment,
which
lead
a
reduction
in
useful
life
of
infrastructure
long
term.
These
can
cause
cracks,
corrosion
reinforcing
steel,
loss
load
capacity,
concrete
section,
among
other
problems.
Considering
above,
it
necessary
carry
out
durability
studies
on
determine
integrity
conditions
found,
reasons
for
deterioration,
environmental
factors
that
affect
it,
under
these
conditions,
develop
restoration
or
protection
plans.
Generally,
include
non-destructive
testing
such
as
ultrasonic
pulse
velocity,
electrical
resistivity,
porosity
measurement,
capillary
absorption
rate.
techniques
make
possible
characterize
obtain
information
total
volume
pores,
susceptibility
decrease
resistance,
presence
humidity,
aggressive
ions
inside
concrete.
In
this
work,
two
are
presented
with
tests
carried
active
piers
20
40
years
old.
located
coastal
areas
southern
Mexico
Gulf
side,
80%
average
annual
relative
temperatures
above
33
°C
average,
high
concentrations
salts,
handling,
vibrations,
flora
fauna
typical
marine
ecosystem,
etc.
The
results
obtained
reveal
important
about
current
state
damage
environment
over
time.
allowed
us
decisions
preventive
actions
appropriate
specific
projects
each
pier.
Язык: Английский