Microstructure and damage evolution of hydraulic concrete exposed to freeze–thaw cycles

Z Tian, X Zhu, X Chen, Y Ning, W Zhang - Construction and Building …, 2022‏ - Elsevier
In cold regions, hydraulic concrete structures are vulnerable to freeze–thaw (FT) damage,
which is manifested by the evolution of microstructure in concrete. In order to reveal this …

Multi-scale analysis framework for predicting tensile strength of cement paste by combining experiments and simulations

TS Han, D Eum, SY Kim, JS Kim, JH Lim, K Park… - Cement and Concrete …, 2023‏ - Elsevier
The experimental method that accurately assesses the responses of cementitious materials
with complex microstructures requires significant time and effort. To address this issue, a …

Plant-germination ability and mechanical strength of 3D printed vegetation concrete bound with cement and soil

Q Lyu, P Dai, M Zong, P Zhu, J Liu - Construction and Building Materials, 2023‏ - Elsevier
To facilitate the manufacturing efficiency of vegetation concrete and reduce relevant
environmental footprint, a novel type of vegetation concrete was manufactured by using 3D …

[HTML][HTML] Mechanical property evaluation of 3D multi-phase cement paste microstructures reconstructed using generative adversarial networks

SW Hong, SY Kim, K Park, K Terada, H Lee… - Cement and Concrete …, 2024‏ - Elsevier
This study proposes an artificial intelligence based framework for reconstructing the 3D multi-
phase cement paste microstructure to evaluate its mechanical properties using simulation …

Evaluating tensile strength of cement paste using multiscale modeling and in-situ splitting tests with micro-CT

SY Kim, D Eum, H Lee, K Park, K Terada… - Construction and Building …, 2024‏ - Elsevier
This study investigated a strategy to simulate splitting tests to evaluate the tensile strength of
cement paste within a multiscale framework, and validated the approach with in-situ micro …

[HTML][HTML] Mechanical behavior comparison of single and multiple phase models for cement paste using micro-CT images and nanoindentation

JS Kim, JH Lim, D Stephan, K Park, TS Han - Construction and Building …, 2022‏ - Elsevier
The behavior of cement paste is significantly affected by the phase distribution
characteristics within the material. However, studying the correlation between the …

A multiscale methods for prediction of the elastic properties of portland cement blended with fly ash based on X-CT and hydration model

P Yu, H Huang, S He, Z Ren - Journal of Building Engineering, 2024‏ - Elsevier
This study proposed a multiscale framework for the prediction of elastic properties of Fly Ash
Cement paste (FAC). The microstructure of FAC was characterized by the X-ray Computed …

[HTML][HTML] Characteristics on compressive strength and microstructure of high-strength cementitious composites with waste glass beads

S Pyeon, G Kim, B Choi, M Kim, R Kitagaki… - Case Studies in …, 2023‏ - Elsevier
This study investigated the potential of waste glass beads (WGB), a recycled porous
lightweight material derived from waste glass, to enhance long-term curing of moisture …

[HTML][HTML] Investigation of gradient properties for cement mortar interfacial transition zones and their effects on mechanical characteristics using micro-CT

SY Chung, JS Kim - Developments in the Built Environment, 2024‏ - Elsevier
The interfacial transition zone (ITZ) in cement-based composites with aggregates is widely
recognized as the most vulnerable component, greatly affecting their physical and …

Corrosion of ordinary Portland cement and metakaolin-based geopolymer immersed in nitric acid solution

Q Lyu, A Chen, P Dai - Advances in Cement Research, 2022‏ - icevirtuallibrary.com
Preventing the corrosion of cementitious materials in acidic environments is crucial for the
safety and durability of infrastructure. The corrosion of specimens of ordinary Portland …