[HTML][HTML] A review of discrete modeling techniques for fracturing processes in discontinuous rock masses

A Lisjak, G Grasselli - Journal of Rock Mechanics and Geotechnical …, 2014 - Elsevier
The goal of this review paper is to provide a summary of selected discrete element and
hybrid finite–discrete element modeling techniques that have emerged in the field of rock …

Numerical simulation of fracking in shale rocks: current state and future approaches

G Hattori, J Trevelyan, CE Augarde… - … Methods in Engineering, 2017 - Springer
Extracting gas from shale rocks is one of the current engineering challenges but offers the
prospect of cheap gas. Part of the development of an effective engineering solution for shale …

Prediction model of TBM disc cutter wear during tunnelling in heterogeneous ground

DJ Ren, SL Shen, A Arulrajah, WC Cheng - Rock Mechanics and Rock …, 2018 - Springer
When shield tunnelling is constructed in complex geological conditions using a tunnel
boring machine, the disc cutter in the cutterhead easily wears to the failure state, particularly …

A coupled thermo-mechanical discontinuum model for simulating rock cracking induced by temperature stresses

YY Jiao, XL Zhang, HQ Zhang, HB Li, SQ Yang… - Computers and …, 2015 - Elsevier
Temperature change often induces thermal stresses in brittle materials, such as rock,
causing cracking and hazardous accidents under certain circumstances. Within the …

Sinkholes, subsidence and subrosion on the eastern shore of the Dead Sea as revealed by a close-range photogrammetric survey

D Al-Halbouni, EP Holohan, L Saberi, H Alrshdan… - Geomorphology, 2017 - Elsevier
Ground subsidence and sinkhole collapse are phenomena affecting regions of karst
geology worldwide. The rapid development of such phenomena around the Dead Sea in the …

Analysis of disc cutter failure in shield tunnelling using 3D circular cutting theory

DJ Ren, JS Shen, JC Chai, A Zhou - Engineering Failure Analysis, 2018 - Elsevier
The breakage of cutter ring during shield tunnelling is studied in this paper. The field
observation reveals that the major reason for the cutter ring breakage is attributed to the …

Three-dimensional grain-based model study on triaxial mechanical behavior and fracturing mechanism of granite containing a single fissure

ZJ Dong, SQ Yang, BW Sun, WL Tian… - Theoretical and Applied …, 2022 - Elsevier
In order to investigate the mechanical behavior and failure mechanism of fissured granite
under triaxial compression, a three-dimensional grain-based model (GBM 3D) was …

Development of three-dimensional numerical manifold method for jointed rock slope stability analysis

L He, XM An, GW Ma, ZY Zhao - … Journal of Rock Mechanics and Mining …, 2013 - Elsevier
This paper presents a three-dimensional numerical manifold method (NMM) for jointed rock
slope stability analysis. The main barriers for realistic rock slope stability analysis are …

Tunnel reinforcement in columnar jointed basalts: the role of rock mass anisotropy

YH Hatzor, XT Feng, S Li, G Yagoda-Biran… - … and Underground Space …, 2015 - Elsevier
The extent of the loosening zone in tunnels excavated through columnar jointed basalts is
studied with the numerical discontinuous deformation analysis (DDA) method. The structure …

Detection of contacts between three-dimensional polyhedral blocks for discontinuous deformation analysis

H Zhang, G Chen, L Zheng, Z Han, Y Zhang… - International Journal of …, 2015 - Elsevier
A new algorithm to detect contacts between three-dimensional (3-D) arbitrarily shaped
polyhedral blocks for the discontinuous deformation analysis (DDA) method is presented in …