[HTML][HTML] Discrete mechanical models of concrete fracture

JE Bolander, J Eliáš, G Cusatis, K Nagai - Engineering Fracture Mechanics, 2021 - Elsevier
Discrete models of solids have been motivated, in large part, by the discontinuous and
heterogeneous nature of material structure and its breakdown under loading. The …

Mesoscale modelling of concrete–a review of geometry generation, placing algorithms, constitutive relations and applications

PSM Thilakarathna, KSK Baduge, P Mendis… - Engineering Fracture …, 2020 - Elsevier
Concrete can be considered as a heterogeneous material at mesoscale comprising of
several constituents such as aggregates, mortar and Interfacial Transition Zone (ITZ) …

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 …

Numerical study on cracking and its effect on chloride transport in concrete subjected to external load

Q Liu, Z Hu, X Wang, H Zhao, K Qian, L Li… - Construction and Building …, 2022 - Elsevier
Reinforced concrete (RC) structures have been severely threatened by chloride attacks
during long-term service, particularly under mechanical loading conditions. This study …

Ionic transport features in concrete composites containing various shaped aggregates: a numerical study

Q Liu, G Feng, J Xia, J Yang, L Li - Composite Structures, 2018 - Elsevier
The service life of concrete-based infrastructure and buildings is seriously shortened due to
the chloride-induced durability problems. In order to clarify the transport mechanism …

Multi-phase modelling of electrochemical rehabilitation for ASR and chloride affected concrete composites

L Mao, Z Hu, J Xia, G Feng, I Azim, J Yang, Q Liu - Composite Structures, 2019 - Elsevier
Reinforced concrete structures experience severe durability degradation when subjected to
alkali–silica reaction (ASR) and chloride attack. A special electrochemical rehabilitation …

A new analytical method to predict permeability properties of cementitious mortars: the impacts of pore structure evolutions and relative humidity variations

QX Xiong, L Tong, Z Zhang, C Shi, Q Liu - Cement and Concrete …, 2023 - Elsevier
This research develops analytical models in respectively describing the water vapour
sorption isotherm and permeability properties based on a probabilistic method for pore size …

Numerical and experimental investigation of coupled capillary suction and chloride penetration in unsaturated concrete under cyclic drying-wetting condition

J Bao, R Zheng, J Wei, P Zhang, S Xue, Z Liu - Journal of Building …, 2022 - Elsevier
Understanding the simultaneous transport mechanism of water and chloride in unsaturated
concrete under cyclic drying-wetting condition plays a crucial role in assessing the service …

[HTML][HTML] Microstructure-informed deep convolutional neural network for predicting short-term creep modulus of cement paste

L Minfei, G Yidong, C Ze, W Zhi, S Erik… - Cement and Concrete …, 2022 - Elsevier
This study aims to provide an efficient alternative for predicting creep modulus of cement
paste based on Deep Convolutional Neural Network (DCNN). First, a microscale lattice …

A three-phase, multi-component ionic transport model for simulation of chloride penetration in concrete

Q Liu, D Easterbrook, J Yang, L Li - Engineering Structures, 2015 - Elsevier
Chloride-induced corrosion of reinforcing steel in concrete is a serious problem in the
durability of structures. In order to predict how chlorides penetrate in concrete, unlike most …