Chloride corrosion resistance of cement mortar with recycled concrete powder modified by nano-silica

X Liu, R Liu, X Xie, J Zuo, K Lyu, SP Shah - Construction and Building …, 2023 - Elsevier
In the marine environment, the service life of coastal structures can be significantly reduced
on account of chloride corrosion. This study employed nano-silica (NS) to improve the …

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 …

Innovative method for the brine treatment by electrokinetic principles integrated with solar photovoltaic plants

A Colacicco, E Zacchei - Marine Pollution Bulletin, 2024 - Elsevier
With the growing world population and industrial production, the demand for water has been
continuously increasing. By 2030, it was estimated that 60.0% of the world population will …

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 …

Numerical solutions for the treatment brine by diffusive and migration flux using new brine-clay-seawater system

E Zacchei, CG Nogueira - Journal of Environmental Management, 2023 - Elsevier
With the growing world population and industrial production, the demand for water has been
continuously increasing. By 2030, 60.0% of the world population will not have access to …

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 …

Finite Boundary Conditions Due to the Bar Presence in the Model of Chloride Penetration

F Tavares, C Andrade - Materials, 2022 - mdpi.com
The chloride penetration is usually modelled through the application of a solution of Fick's
second law of diffusion, based on the assumption of semi-infinite boundary conditions …

Disaggregation Analyses of the External/Internal Parameters for Chloride Diffusion in Concrete Structures: Artificial Intelligence by k-means Algorithm

E Zacchei, E Bastidas-Arteaga, A Hamani - International Conference on …, 2024 - Springer
In this paper, the parameters involved in the chloride ions diffusion for concrete structures
have been analysed. Usually, several factors for diffusivity and surface chloride …

Pushover Analysis Accounting for Torsional Dynamic Amplifications for Pile-Supported Wharves

E Zacchei, PHC Lyra, FR Stucchi - International Conference on Wave …, 2022 - Springer
In this paper the pushover analysis for pile-supported wharf structures (PSWSs) is carried
out. This nonlinear static analysis is a common method to estimate the optimum …