Multifactorial chloride ingress model for reinforced concrete structures subjected to unsaturated conditions

E Zacchei, E Bastidas-Arteaga - Buildings, 2022 - mdpi.com
The attack of chloride ions is one of the most important factors affecting reinforced concrete
(RC) durability. Chloride ingress into concrete is usually studied by assuming constant …

[HTML][HTML] Deterministic and probabilistic approaches for corrosion in RC structures: A direct proposed model to total service life predictions

CG Nogueira, L Yoshio, E Zacchei - Case Studies in Construction Materials, 2023 - Elsevier
In this paper the negative effects of the chloride ions attack in reinforced concrete (RC)
elements have been studied. For this the vertical and horizontal chloride diffusivity has been …

Calibration of boundary conditions correlated to the diffusivity of chloride ions: An accurate study for random diffusivity

E Zacchei, CG Nogueira - Cement and Concrete Composites, 2022 - Elsevier
For reinforced concrete (RC) structures, the corrosion of the reinforced steel bars from
chloride ions is a periodic risk. The chloride ions diffusion is governed by Fick'laws …

Application of 3D cellular automata-based analysis to chloride diffusion process in concrete bridges

M Al-samawi, J Zhu, W Rong - Structures, 2023 - Elsevier
Chloride-induced corrosion is one of the main reasons for degrading the serviceability and
reliability of concrete bridge structures in severe environments. Consequently, a more …

An experimental and numerical study on chloride transport in concrete under single bending load and coastal soft soil environment

L Wu, X Gao, Z Yang, X Ni - Construction and Building Materials, 2024 - Elsevier
This paper presents an experimental and numerical simulation study on the corrosion of
chloride ions in concrete components, using a single pre-applied bending load to represent …

Corrosion resistance behavior of enhanced passivation Cr-modified rebars and their service life prediction based on Monte Carlo simulation

Z Zhang, G Niu, X Yang, H Chen, SHM Anijdan… - … and Building Materials, 2024 - Elsevier
This work investigates enhanced passivation and corrosion resistance of various Cr-
modified rebars compared to carbon rebar. It also evaluates their service life through time …

Time-dependent reliability analysis of reinforced concrete beams subjected to uniform and pitting corrosion and brittle fracture

MEA Ben Seghier, B Keshtegar, H Mahmoud - Materials, 2021 - mdpi.com
Reinforced concrete (RC) beams are basic elements used in the construction of various
structures and infrastructural systems. When exposed to harsh environmental conditions, the …

Numerical Solutions for Chloride Diffusion Fluctuation in RC Elements from Corrosion Probability Assessments

E Zacchei, CG Nogueira - Buildings, 2022 - mdpi.com
Mechanical diffusion of chloride ions in reinforced concrete (RC) structures varies in time
and space, and depends on uncertain factors such as material properties, temperature …

Scenarios of Progressive Pancake/Bending Collapse Considering Elastic/Plastic Reinforced Concrete Buildings

E Zacchei, C Gorla Nogueira - Buildings, 2024 - mdpi.com
Quantitative analyses of structural resistance are useful during the design process to prevent
the occurrence of progressive collapse. Buildings subjected to continuous instances of …

Multifactorial Diffusion of Chloride Ions in Concrete considering the Non-linear Voltage Distortion of Other Species

E Zacchei, J Lizarazo-Marriaga… - Arabian Journal for …, 2023 - Springer
One of the most relevant deterioration mechanisms of reinforced concrete (RC) structures is
the corrosion of steel bars by chloride ions. The service life of structures could be extended …