[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 …

Developments to the Bonded Block Modeling technique for Discrete Element simulation of transversely isotropic rocks

LL Rasmussen, KB Min - International Journal of Rock Mechanics and …, 2023 - Elsevier
In this research, a novel three-dimensional Bonded Block Model (BBM) for the Discrete
Element Method is proposed for the simulation of transversely isotropic rocks. The model …

Dynamic characteristics and anchorage mechanisms of fractured granite: Analytical, numerical and experimental analyses

Y Chen, D Yu, Y Wang, Y Zhao, H Yang… - Rock Mechanics and Rock …, 2024 - Springer
To address the instability and failure of fractured rock masses under dynamic loads in deep
underground engineering, this study prepared granite specimens with five different fracture …

Hybrid lattice/discrete element analysis of spalling failure in rock tunnels

LL Rasmussen, KB Min - Tunnelling and Underground Space Technology, 2024 - Elsevier
A framework for the discontinuum-based simulation of spalling failure in rock tunnels is
proposed. This innovation involves the combined application of the damage-initiation and …

Effect of bolt configuration on the interface behaviour between a rock bolt and bond material: A comprehensive DDA investigation

Y Yokota, Z Zhao, J Shang, W Nie, K Date… - Computers and …, 2019 - Elsevier
The role of rock bolts has become more important for a tunnel/cavern construction because
of the wide use of conventional tunnelling methods under severe conditions. However, there …

Numerical study on failure mechanism and acoustic emission characteristics of granite after thermal treatment

Y Dang, Z Yang, X Liu, C Lu - Computational Particle Mechanics, 2023 - Springer
To investigate the strength characteristics and failure mechanism of granite after thermal
treatment are critical for geothermal energy storage and development. Acoustic emission …

Coupling of non‐ordinary state‐based peridynamics and finite element method with reduced boundary effect

S Jin, YK Hwang, JW Hong - International Journal for …, 2021 - Wiley Online Library
In this study, we propose a new numerical technique to couple non‐ordinary state‐based
peridynamics (NOSB‐PD) and the finite element method (FEM), and improve the scheme by …

Discrete softening-damage model for fracture process representation with embedded strong discontinuities

J Čarija, M Nikolić, A Ibrahimbegovic… - Engineering fracture …, 2020 - Elsevier
A damage softening model is implemented into a discrete lattice framework with embedded
strong discontinuities for the discontinuous representation of fracture. Such a model fits …

A rock physics model for estimating elastic properties of upper Ordovician-lower Silurian mudrocks in the Sichuan Basin, China

G Li, G Li, Y Wang, S Qi, J Yang - Engineering Geology, 2020 - Elsevier
The elastic properties of shale and mudstone from unconventional subsurface reservoirs are
of great significance for the evaluation of rock fracturing, especially for hydraulic fracturing …

[HTML][HTML] Early-Age Cracking Behavior of Concrete Slabs with GFRP Reinforcement

H Roghani, A Nanni, JE Bolander - Materials, 2023 - mdpi.com
This paper reports on a combined experimental and numerical modeling investigation of
cracking of concrete slabs with GFRP reinforcement. At this stage of the project, attention is …