A review of nonlinear FFT-based computational homogenization methods

M Schneider - Acta Mechanica, 2021 - Springer
Since their inception, computational homogenization methods based on the fast Fourier
transform (FFT) have grown in popularity, establishing themselves as a powerful tool …

[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 …

Impact of silica fume, fly ash, and metakaolin on the thickness and strength of the ITZ in concrete

V Nežerka, P Bílý, V Hrbek, J Fládr - Cement and concrete composites, 2019 - Elsevier
The interfacial transition zone (ITZ) has a major detrimental impact on the structural
performance of concrete. This negative impact can be modulated by introducing mineral …

A review on the mechanical properties of cement-based materials measured by nanoindentation

C Hu, Z Li - Construction and Building Materials, 2015 - Elsevier
A well-known fact is that the mechanical properties of cement-based materials largely
depend on the material structure at the micro-and nano-scales. To understand and improve …

Experimental investigation and prediction of elastic modulus of ultra-high performance concrete (UHPC) based on its composition

X Ouyang, C Shi, Z Wu, K Li, B Shan, J Shi - Cement and Concrete …, 2020 - Elsevier
Scientific design of the composition of UHPC is important in achieving desired elastic
modulus and prediction. In this paper, an analytical model based on composition through …

Carbonation activated binders from pure calcium silicates: Reaction kinetics and performance controlling factors

W Ashraf, J Olek - Cement and Concrete Composites, 2018 - Elsevier
This paper presents a study on the carbonation activated binders prepared from pure
calcium silicate phases, which included tricalcium silicate (3CaO. SiO 2,[C 3 S]), β-dicalcium …

Automated coupling of NanoIndentation and Quantitative Energy-Dispersive Spectroscopy (NI-QEDS): A comprehensive method to disclose the micro-chemo …

W Wilson, L Sorelli, A Tagnit-Hamou - Cement and Concrete Research, 2018 - Elsevier
Engineering cement-based composites requires a comprehensive understanding of the
microstructure features governing macroscopic properties. This work aims to foster the latest …

Growth of calcium carbonate induced by accelerated carbonation of tricalcium silicate

D Wang, C Xiong, W Li, J Chang - ACS Sustainable Chemistry & …, 2020 - ACS Publications
Accelerated carbonation is expected to be a potential technique for sustainable
development of cement-based materials, where the strength is significantly increased in …

Tensile strength of hydrated cement paste phases assessed by micro-bending tests and nanoindentation

J Němeček, V Králík, V Šmilauer, L Polívka… - Cement and Concrete …, 2016 - Elsevier
The paper is focused on the experimental investigation of cement paste's tensile strength
and related mechanical properties at the micrometer level. Small scale specimens with …

Interaction mechanisms between organic and inorganic phases in calcium silicate hydrates/poly (vinyl alcohol) composites

Y Zhou, L Tang, J Liu, C Miao - Cement and Concrete Research, 2019 - Elsevier
Abstract Poly (vinyl alcohol)(PVA) emulsion is commonly used in cement-based materials to
obtain higher performance. The present work investigates the interaction mechanisms …