Advances in atomistic modeling and understanding of drying shrinkage in cementitious materials

MJA Qomi, L Brochard, T Honorio, I Maruyama… - Cement and Concrete …, 2021 - Elsevier
Despite more than a century of research, drying shrinkage still causes unwanted stresses
and cracks in our concrete infrastructures. This is partly due to the lack of understanding of …

[HTML][HTML] Effect of the chemical composition of synthetic alkali-silica gels on their structure, swelling behavior and water uptake

ME Krüger, H Hilbig, L Stelzner, A Machner - Cement and Concrete …, 2024 - Elsevier
For alkali-silica reaction (ASR) gels, the relationship between swelling expansion, structure
and chemical composition, particularly the effect of aluminum, remains unknown. This study …

[HTML][HTML] Assessment of the thermodynamics of Na, K-shlykovite as potential alkali-silica reaction products in the (Na, K) 2O-CaO–SiO2-H2O system

H **, S Ghazizadeh, JL Provis - Cement and Concrete Research, 2023 - Elsevier
The thermodynamic description of the alkali-silica reaction is incomplete, due to the lack of
thermodynamic data for the alkali-silica reaction products. Here, we estimate the …

Alkali-silica reaction of high-magnesium nickel slag fine aggregate in alkali-activated ground granulated blast-furnace slag mortar

X Gao, T Yang, A Wang, Y Zhu, H Zhu, P Zhuang… - … and Building Materials, 2023 - Elsevier
The construction industry is presently encountering a significant challenge regarding the
shortage supply of natural sands. The use of metallurgical slags as fine aggregates in …

Nanoscale insight into the reconstruction reaction mechanism of alkali-activated silicate materials

J Huang, B Wang, L Shen - Ceramics International, 2024 - Elsevier
As a green alternative to cement-based materials, alkali-activated silicate materials (AASM)
have garnered attention for their ability to reduce greenhouse gas emissions and efficiently …

[HTML][HTML] Atomic structure of nanocrystalline and amorphous asr products

T Honorio, W Wei - Cement and Concrete Research, 2024 - Elsevier
Limited information about the atomic structure of amorphous and nanocrystalline alkali–
silica reaction (ASR) products is available. Here, reactive molecular simulations were …

[HTML][HTML] Heat capacity, isothermal compressibility, isosteric heat of adsorption and thermal expansion of water confined in CSH

T Honorio, F Masara, F Benboudjema - Cement, 2021 - Elsevier
Nanoconfinement is known to affect the property of fluids. The changes in some thermo-
mechanical properties of water confined in CSH are still to be quantified. Here, we perform …

Phenomenological description of the effect of glass dissolution on cement paste evolution in an integrated glass dissolution experiment

J Goethals, K Ferrand, R Mosser-Ruck, J Bonnet… - Applied …, 2024 - Elsevier
The interaction between nuclear glass surrogate and ordinary Portland cement (OPC) was
investigated through integrated static leach tests conducted at ambient temperature. Tests …

Nanomechanics of ASR gels from coarse-grained simulations

S Ait Hamadouche, T Honorio - Journal of Engineering Mechanics, 2024 - ascelibrary.org
Despite alkali–silica reaction (ASR) being a major durability problem in concrete, structural
features and properties of ASR gels remain poorly understood. Inspired by the success of …

Thermal properties of ASR products

T Honorio, S Razki, A Bourdot, F Benboudjema - Materials and Structures, 2024 - Springer
Thermal and themo-mechanical properties of alkali-silica reaction (ASR) products are poorly
studied. The existent property data refers to theoretical considerations and do not account …