[HTML][HTML] Multi-dimensional size effects and representative elements for non-persistent fractured rock masses: A perspective of geometric parameter distribution

J Wang, W Zhang, C Tan, Z Nie, W Ma, D Chen… - Journal of Rock …, 2023 - Elsevier
This study takes a fractured rock mass in the Datengxia Hydropower Station, China as an
example to analyze the size effects and determine the representative elementary sizes. A …

Size effect of parallel-joint spacing on uniaxial compressive strength of rock

G Hu, G Ma - PLoS One, 2021 - journals.plos.org
The existence of parallel joints has an impact on the size effect of the uniaxial compressive
strength of rock, but the relationship is yet to be obtained. In this paper, the influence of …

Determination of the REV size for heterogeneous rocks with different grain sizes: Deep learning and numerical approaches

L Peng, M Li, J Zuo, D Liu, J Jeong - International Journal of Rock …, 2024 - Elsevier
Accurate determination of the representative elementary volume (REV) size plays a pivotal
role in analysing the mechanical properties and failure processes of heterogeneous rocks in …

General statistics-based methodology for the determination of the geometrical and mechanical representative elementary volumes of fractured media

AC Loyola, JM Pereira, MP Cordão Neto - Rock Mechanics and Rock …, 2021 - Springer
The upscaling of mechanical properties of fractured media requires the definition of an
appropriate size for the Representative Elementary Volume (REV). Because of the …

Two-dimensional discrepancies in fracture geometric factors and connectivity between field-collected and stochastically modeled DFNs: a case study of sluice …

W Zhang, R Fu, C Tan, Z Ma, Y Zhang, S Song… - Rock Mechanics and …, 2020 - Springer
This study takes sluice foundation rock mass in Datengxia Hydropower Station, China as an
example to examine two-dimensional (2D) discrepancies in fracture geometric factors and …

Study on representative volume elements considering inhomogeneity and anisotropy of rock masses characterised by non-persistent fractures

W Ma, H Chen, W Zhang, C Tan, Z Nie, J Wang… - Rock Mechanics and …, 2021 - Springer
This study takes the rock masses in the dam foundation of a sluice gate of the Datengxia
Hydropower Station in China as a case study to determine the geometrical and mechanical …

Influence of the number of parallel-joints on size effect of elastic modulus and characteristic elastic modulus

G Hu, G Ma, W Liang, L Song, W Fu - Frontiers in Earth Science, 2022 - frontiersin.org
The number of joints existing in the rock affects the elastic modulus of the rock, and the
relationship has not been obtained. In this paper, 10 numerical models are established by …

Investigation of geometrical representative elementary volumes based on sampling directions and fracture sets

Y Liu, Q Wang, J Chen, X Han, S Song… - Bulletin of Engineering …, 2021 - Springer
This paper reports that the geometrical representative elementary volume (REV) of fractured
rock masses is anisotropic, and the geometric shape of an REV is of a complex, irregular …

Exploring the influence of rock bridge angle on the rock secant modulus

J Zhou, S Meng, G Hu, L Zha - PloS one, 2024 - journals.plos.org
Rock can undergo shape deformation and damage due to the influence of joint fissures, and
the range of damage caused by joints at different rock bridge angles varies. To study the …

Size effect of the number of parallel joints on uniaxial compressive strength and characteristic strength

G Hu, G Ma, J Liu, K Qi - Minerals, 2022 - mdpi.com
The number of parallel joints has an impact on the size effect of the uniaxial compressive
strength and characteristic strength of a rock; however, the relationships between them are …