Comparison of environmental impacts of fly ash and slag as cement replacement materials for mass concrete and the impact of transportation

C Orozco, S Babel, S Tangtermsirikul… - Sustainable Materials and …, 2024‏ - Elsevier
For mass concrete applications, the utilization of waste as supplementary cementitious
materials (SCM), such as fly ash and slag, can enhance sustainability. This study aims to …

Phase-field model for 2D cohesive-frictional shear fracture: An energetic formulation

Y Feng, F Freddi, J Li, YE Ma - Journal of the Mechanics and Physics of …, 2024‏ - Elsevier
This paper presents a phase-field model for cohesive-frictional shear fracture. The model is
derived based on two energetic principles: the energy conservation law and a variational …

Early age cracking relevant to mass concrete dam structures during the construction schedule

MP Singh, S Sen, H Pathak, AB Dogra - Construction and Building …, 2024‏ - Elsevier
Managing the early-age thermal behavior of mass concrete structures like dams, dykes,
bridge piers, thick raft foundations, etc., is the major concern during their construction. The …

An adaptive dynamic phase-field modeling with variable-node elements for thermoelastic fracture in orthotropic media

JN He, T Yu, W Fang, S Natarajan - Theoretical and Applied Fracture …, 2024‏ - Elsevier
In this work, a novel adaptive algorithm integrated into a dynamic phase-field method is
developed to model the fracture of orthotropic materials under thermoelastic loading. The …

Influence law and control mechanism of manufactured sand particles derived from tunnel slag on cement hydration

Y **ang, H Zhao, D Hu, G Yang, J Chen, W Xu… - Journal of Building …, 2024‏ - Elsevier
The utilization of tunnel slag processed manufactured sand for high-performance concrete
preparation and its application in engineering construction can yield significant economic …

Fire-induced damage behaviour in corrosion-damaged concrete: Thermal-mechanical coupling phase field meso-scale modeling

K Miao, Z Pan, X Fang, A Chen - Journal of the Mechanics and Physics of …, 2025‏ - Elsevier
The mechanical performance degradation of concrete in marine environments is often
caused by multi-hazard, such as long-term environmental loads and short-term extreme …

Conjugate heat transfer characteristics of crushed coal rock mass under axial compression: Coupling numerical analysis based on CT reconstruction and FEM

Y Liu, B Lin, T Liu, Z Hao - International Journal of Heat and Mass Transfer, 2025‏ - Elsevier
This study focuses on the heat transfer characteristics of crushed coal under axial
compression in deep abandoned mines during geothermal extraction. By combining …

A coupled phase-field model for sulfate-induced concrete cracking

J Luo, Q Wang, W Zhou, X Zhuang, Z Peng… - International Journal of …, 2024‏ - Elsevier
The performance of concrete will decrease when subjected to external sulfate corrosion, and
numerical models are effective means to analyze the mechanism. Most models cannot …

Early-age thermal cracking performance of carbon nanotube modified face slab concrete

Z Zhao, C **e, Y Liu, Z Zhao, Y Ouyang, Y Song… - … and Building Materials, 2024‏ - Elsevier
The thermal cracking of face slab concrete (FSC) seriously affects the durability of face
rockfill dams. The mechanical properties of carbon nanotubes such as high strength …

Calculation method for brittle fracture of functional gradient materials

C Qi, A Pi - Scientific Reports, 2024‏ - nature.com
Combined the phase field model with the wavelet dummy node-virtual crack closure
technique (WDN-VCCT) used for stress intensity factors (SIFs) calculation. Calculated the …