Carbonation modelling of hardened cementitious materials considering pore structure characteristics: A review

L Tong, Y Cai, Q Liu - Journal of Building Engineering, 2024 - Elsevier
Carbonation of cementitious materials is one of the most important reasons leading to the
deterioration of steel-reinforced concrete structures. After years of research, different models …

[HTML][HTML] Existing theories of concrete spalling and test methods relating to moisture migration patterns upon exposure to elevated temperatures–A review

T Kannangara, P Joseph, S Fragomeni… - Case Studies in …, 2022 - Elsevier
The present paper reviews some recent research on concrete spalling theories and existing
test methods of moisture migration patterns that occur when concrete is exposed to elevated …

A novel lattice model to predict chloride diffusion coefficient of unsaturated cementitious materials based on multi-typed pore structure characteristics

L Tong, QX Xiong, Z Zhang, X Chen, G Ye… - Cement and Concrete …, 2024 - Elsevier
This paper develops a novel lattice diffusive model to quantitatively study the chloride
diffusion coefficient in unsaturated cementitious materials, in which the pore voxels are …

Mix optimization of hybrid steel and polypropylene fiber-reinforced concrete for anti-thermal spalling

L Shen, X Yao, G Di Luzio, M Jiang, Y Han - Journal of Building …, 2023 - Elsevier
Concrete tends to spall explosively under fire due to the combined effect of thermal stress
and pore pressure build-up. For an anti-spalling strategy in the concrete mix design, one can …

Ternary blended cement: An eco-friendly alternative to improve resistivity of high-performance self-consolidating concrete against elevated temperature

H AzariJafari, MJT Amiri, A Ashrafian, H Rasekh… - Journal of Cleaner …, 2019 - Elsevier
The unique fresh and hardened properties of high-performance self-consolidating concrete
(HPSCC) led to an extensive application of this mixture in high-rise buildings. In this paper …

Study of physical properties and microstructure of aerogel-cement mortars for improving the fire safety of high-performance concrete linings in tunnels

P Zhu, S Brunner, S Zhao, M Griffa, A Leemann… - Cement and Concrete …, 2019 - Elsevier
In high-performance concrete (HPC) subjected to high temperature during tunnel fires, the
build-up of vapor pressure due to dehydration of the cement hydration products cannot be …

Analysis of moisture migration in concrete at high temperature through in-situ neutron tomography

D Dauti, A Tengattini, S Dal Pont, N Toropovs… - Cement and Concrete …, 2018 - Elsevier
Spalling, which is a phenomenon encountered when high-performance concrete is exposed
to high temperature, can lead to large economical damage and can be a major safety …

On the moisture migration of concrete subject to high temperature with different heating rates

L Shen, FL Monte, G Di Luzio, G Cusatis, W Li… - Cement and Concrete …, 2021 - Elsevier
A better understanding of moisture migration in concrete at high temperature can play an
important role to improve the fire-resistance and radiation-shielding capability of concrete …

[HTML][HTML] Water sorption isotherms and hysteresis of cement paste at moderately high temperature, up to 80° C

J Wang, MHN Yio, T Zhou, HS Wong, CT Davie… - Cement and Concrete …, 2023 - Elsevier
The constitutive models of concrete often consider water desorption isotherms to be near-
equilibrium and significantly affected by moderately high temperature, 40–80° C, typically …

Multiphase modelling of water evaporation and condensation in an air-heated porous medium

MAB Zanoni, J Wang, JL Torero, JI Gerhard - Applied Thermal Engineering, 2022 - Elsevier
Moisture transport as well as evaporation and condensation are key mechanisms in the
energy management of many processes occurring in different porous media. The role of …