Durability of shotcrete for underground support–Review and update

I Galan, A Baldermann, W Kusterle, M Dietzel… - … and Building Materials, 2019 - Elsevier
Shotcrete is often used for the construction and stabilization of tunnels and other
underground structures, where it is susceptible to different forms of physical and chemical …

Diffusivity of saturated ordinary Portland cement-based materials: A critical review of experimental and analytical modelling approaches

RA Patel, QT Phung, SC Seetharam, J Perko… - Cement and Concrete …, 2016 - Elsevier
This paper provides a comprehensive overview of existing experimental and modelling
approaches to determine effective diffusion coefficients of water saturated ordinary Portland …

Numerical study on the chemical and electrochemical coupling mechanisms for concrete under combined chloride-sulfate attack

Z Meng, Q Liu, N Ukrainczyk, S Mu, Y Zhang… - Cement and Concrete …, 2024 - Elsevier
Cementitious materials exposed to marine and saline environments are commonly
threatened by a combined attack of sulfate and chloride ions. This study developed a …

[HTML][HTML] Degradation of concrete in marine environment under coupled chloride and sulfate attack: A numerical and experimental study

D Sun, Z Cao, C Huang, K Wu, G De Schutter… - Case Studies in …, 2022 - Elsevier
The corrosion of offshore reinforced concrete structures under combined chloride and
sulfate ions attack is a complex corrosion phenomenon. The purpose of this study is to …

Investigation of microstructure of CSH and micro-mechanics of cement pastes under NH4NO3 dissolution by 29Si MAS NMR and microhardness

L Wang, M **, S Zhou, S Tang, X Lu - Measurement, 2021 - Elsevier
The hydraulic concrete structures commonly suffer from severe dissolution. Dissolution has
a great influence on the mechanical properties and durability of concrete, which would be …

A chemo-transport-damage model for concrete under external sulfate attack

S Qin, D Zou, T Liu, A Jivkov - Cement and Concrete Research, 2020 - Elsevier
Sulfate-induced deterioration can reduce the service life of a concrete structure. A coupled
chemo-transport-damage model for external sulfate attack is developed, which predicts the …

Numerical modeling of chloride diffusion in cement-based materials considering calcium leaching and external sulfate attack

W Shao, Q Li, W Zhang, D Shi, H Li - Construction and Building Materials, 2023 - Elsevier
Chloride-induced corrosion of steel bars can shorten the service life of concrete structures in
marine environment. Therefore, a numerical model that can accurately characterize the …

Experimental and numerical study of the effects of solution concentration and temperature on concrete under external sulfate attack

D Zou, S Qin, T Liu, A Jivkov - Cement and Concrete Research, 2021 - Elsevier
The work reports on an experimental programme, conducted to validate comprehensively
our previously proposed coupled chemo-transport model for external sulfate attack on …

Analysis of calcium leaching behavior of plain and modified cement pastes in pure water

J Jain, N Neithalath - Cement and Concrete Composites, 2009 - Elsevier
The calcium ion leaching behavior of cement pastes modified with a high-alkali fine glass
powder, silica fume, and fly ash, exposed to deionized water, is reported in this paper …

Diffusion-reaction models for concrete exposed to chloride-sulfate attack based on porosity and water saturation

Z Zhuang, S Mu, Z Guo, G Liu, J Zhang… - Cement and Concrete …, 2024 - Elsevier
Reinforced concrete structures in an unsaturated state experiences significant degradation
when exposed to combined chloride and sulfate attack in marine environments. For …