CSH decalcification in seawater: The view from the nanoscale
Decalcification of calcium silicate hydrates (CSH) is one of the most important issues for
cement-based infrastructures concerning long-term safety performance. While enhanced …
cement-based infrastructures concerning long-term safety performance. While enhanced …
A chemo-transport-damage model for concrete under external sulfate attack
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 …
chemo-transport-damage model for external sulfate attack is developed, which predicts the …
Degradation mechanism of blended cement pastes in sulfate-bearing environments under applied electric fields: Sulfate attack vs. decalcification
Applied electric fields, the reason behind stray currents, accelerate the ingress of sulfate into
cementitious materials. To identify mitigation approaches, this study investigates the effects …
cementitious materials. To identify mitigation approaches, this study investigates the effects …
Calcium leaching from cement hydrates exposed to sodium sulfate solutions
Calcium leaching from cement hydrates to pore solution increases the porosity and reduces
the bonding strength of cement hydrates, accelerating the degradation of concrete. Calcium …
the bonding strength of cement hydrates, accelerating the degradation of concrete. Calcium …
Numerical modeling of non-uniform corrosion of concrete reinforcement considering calcium leaching and chloride diffusion coupling effect
Q Li, W Zhang, W Shao, D Shi - Corrosion Science, 2024 - Elsevier
A novel numerical model is proposed for characterizing the nonuniform corrosion of steel
bars. The proposed model corrects the anodic Tafel slope through the concentration of …
bars. The proposed model corrects the anodic Tafel slope through the concentration of …
Chemical and mineralogical alterations of concrete subjected to chemical attacks in complex underground tunnel environments during 20–36 years
C Li, M Wu, Q Chen, Z Jiang - Cement and Concrete Composites, 2018 - Elsevier
This paper investigates the chemical and mineralogical alterations of concrete in
underground tunnel structures built from 1980 to 1996, located on the China's east …
underground tunnel structures built from 1980 to 1996, located on the China's east …
On the competitive antagonism effect in combined chloride-sulfate attack: A numerical exploration
It is of tremendous difficulty to draw a conclusive verdict on the complex process of mutual
interference regarding the combined chloride-sulfate attack on concrete, where many have …
interference regarding the combined chloride-sulfate attack on concrete, where many have …
[HTML][HTML] Electro-chemo-physical analysis for long-term reinforcement corrosion within the reactive system of concrete
This paper presents an electro-chemo-physical model for analyzing long-term chloride-
induced reinforcement corrosion in concrete structures. The integration of electrochemical …
induced reinforcement corrosion in concrete structures. The integration of electrochemical …
Thermodynamic equilibria-based modelling of reactive chloride transport in blended cementitious materials
A physico-chemical modelling of multispecies transport through cementitious materials is
proposed considering thermodynamic equilibria, diffusion and migration. The model …
proposed considering thermodynamic equilibria, diffusion and migration. The model …
Modelling steel corrosion under concrete non-uniformity and structural defects
Reinforcement corrosion is one of the most frequent durability problems among ageing
concrete structures. Macrocell corrosion is greatly affected by both concrete properties and …
concrete structures. Macrocell corrosion is greatly affected by both concrete properties and …