Grain-based discrete element modeling of thermo-mechanical response of granite under temperature

F Wang, H Konietzky, R Pang, Y Zou, B Pang… - Rock Mechanics and …, 2023 - Springer
Numerical modeling is a promising way to understand the characteristics of the thermo-
mechanical (TM) coupled behaviors in rocks under high-temperature impact. This paper …

Thermal cracking in granite during a heating–cooling cycle up to 1000 C: Laboratory testing and real-time simulation

F Wang, H Konietzky - Rock Mechanics and Rock Engineering, 2022 - Springer
An Eibenstock granite (EG) thin section blank was used to observe thermal-induced cracks
after subjecting it to a heating–cooling cycle to 1000° C. To understand the real-time thermal …

Mechanical responses of grain-based models considering different crystallographic spatial distributions to simulate heterogeneous rocks under loading

F Wang, H Konietzky, M Herbst, W Chen - International Journal of Rock …, 2022 - Elsevier
Grain-based models (GBM) are widely used to reproduce the heterogeneous characteristics
of natural rocks at the grain size level. To incorporate the spatial distribution of the …

Crack propagation in heterogeneous gravity dams due to overflow using polygonal grain-based distinct element method

E Badakhshan, G Veylon, L Peyras… - Rock Mechanics and Rock …, 2024 - Springer
Cracks are always a serious concern in the stability analysis of gravity dams. One of the
main reasons for the initiation of cracks is overflow. In most previous crack propagation …

Monitoring and Modelling the Thermally Assisted Deformation of a Rock Column Above Tomb KV42 in the Valley of the Kings, Egypt

R Alcaíno-Olivares, M Ziegler, S Bickel, K Leith… - Rock Mechanics and …, 2023 - Springer
Abstract The Valley of the Kings (KV) is located within a large funerary landscape called the
Theban Necropolis, in Luxor, Egypt. In 2018, our team started to monitor the transient …

Seismic Performance of Coal Mine Overburden Dump Slope Using Extended Finite-Element Method–Based Voronoi Tessellation Scheme

M Mohanty, R Sarkar, SK Das - International Journal of …, 2023 - ascelibrary.org
Assessment of the seismic damage of coal mine overburden (OB) dump slopes gets
compromised due to negligence of the consideration of heterogeneity in the shape and size …

Probabilistic assessment of effects of heterogeneity on the stability of coal mine overburden dump slopes through discrete element framework

M Mohanty, R Sarkar, SK Das - Bulletin of Engineering Geology and the …, 2022 - Springer
The proper assessment of stability of overburden (OB) dump slopes for the prevention of
unforeseeable incidents has become a crucial issue for the coal mine industries across the …

A simplified method for predicting overflow-induced crack propagation in gravity dams using genetic algorithm and material-based model

E Badakhshan, G Veylon, L Peyras, J Vaunat - International Journal of …, 2024 - Elsevier
Cracks are always a serious concern in the stability analysis of gravity dams. One of the
main reasons for the initiation of cracks is overflows. In evaluating dam safety under flood …

Improved Computer Vision Framework for Mesoscale Simulation of Xiyu Conglomerate Using the Discrete Element Method

Y Zhang, Z He, R Jiang, L Liao, Q Meng - Applied Sciences, 2023 - mdpi.com
The complex mechanical characteristics of the Xiyu conglomerate significantly influence the
resistance and deformation features of its caverns' surrounding rock, thereby constraining …

Thermo-mechanical Coupling Characteristics of Granite under Triaxial Pressures and Ultrahigh Heating Rates

F Wang, D Meng, K Hu, X Du, R Pang, Y Zou… - Computers and …, 2024 - Elsevier
Understanding thermo-mechanical behavior of granite under triaxial stress and ultrahigh
heating rates is essential for advancing the flame-assisted drilling technique in geothermal …