Drying behavior of dense refractory ceramic castables. Part 1–General aspects and experimental techniques used to assess water removal

AP Luz, MH Moreira, MAL Braulio, C Parr… - Ceramics …, 2021 - Elsevier
Despite the continuous evolution on the performance of refractory ceramic products,
monolithic materials still require special attention during their processing steps as various …

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 …

Main trends on the simulation of the drying of refractory castables-Review

MH Moreira, S Dal Pont, RF Ausas, AP Luz… - Ceramics …, 2021 - Elsevier
Refractory castables develop microstructures after curing that behave as partially saturated
porous media. Upon heating (during its drying stage), the steam generated by the physical …

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 …

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 …

Peridynamics modeling of coupled gas convection transport and thermal diffusion in heterogeneous porous media

S Cheng, X Guo, L Li, P Wang - Physics of Fluids, 2024 - pubs.aip.org
Gas convection transport in porous media plays a pivotal role in various engineering and
natural systems, such as oil and gas reservoir behavior and carbon dioxide sequestration. In …

Numerical model of the effect of water vapor environment on the chloride transport in concrete

J Liu, C Liao, H Jin, Z Jiang, D Zhong, L Tang - Construction and Building …, 2021 - Elsevier
Chloride ions are known as one of the most crucial factors for rebar corrosion in reinforced
concrete (RC) structures exposed to marine environments under drying-wetting cycles. In …

An elastoplastic damage constitutive model of concrete considering the effects of dehydration and pore pressure at high temperatures

Y Yao, H Guo, K Tan - Materials and Structures, 2020 - Springer
Pore pressure and thermal dehydration of concrete are two major factors which affect the
spalling of concrete at high temperatures. Thermal dehydration can cause deterioration of …

Fast drying of high-alumina MgO-bonded refractory castables

VS Pinto, DS Fini, VC Miguel, VC Pandolfelli… - Ceramics …, 2020 - Elsevier
Refractory producers face many challenges in terms of producing MgO-containing castables
due to the high likelihood of magnesia to hydrate in contact with water, resulting in Mg (OH) …

Experimental proof of moisture clog through neutron tomography in a porous medium under truly one‐directional drying

MH Moreira, S Dal Pont, A Tengattini… - Journal of the …, 2022 - Wiley Online Library
Structural failure of concrete buildings on fire and complete destruction of the monolithic
refractory lining during their drying stage are dangerous examples of the effect of explosive …