[HTML][HTML] Challenges associated with numerical back analysis in rock mechanics
Numerical back analysis is a valuable tool available to rock mechanics researchers and
practitioners. Recent studies related to back analysis methods focused primarily on …
practitioners. Recent studies related to back analysis methods focused primarily on …
[HTML][HTML] Predicting excavation damage zone depths in brittle rocks
During the construction of an underground excavation, damage occurs in the surrounding
rock mass due in large part to stress changes. While the predicted damage extent impacts …
rock mass due in large part to stress changes. While the predicted damage extent impacts …
Post-yield strength and dilatancy evolution across the brittle–ductile transition in Indiana limestone
An extensive uniaxial and triaxial compression testing programme was performed on
Indiana Limestone to assess its behaviour across the brittle–ductile transition. Particular …
Indiana Limestone to assess its behaviour across the brittle–ductile transition. Particular …
Joint opening or hydroshearing? Analyzing a fracture zone stimulation at Fenton Hill
In this study, we analyze a deep hydraulic stimulation of a fracture zone that was conducted
as part of the classical Fenton Hill Hot Dry Rock Program in the 1970s. At the time, it was …
as part of the classical Fenton Hill Hot Dry Rock Program in the 1970s. At the time, it was …
A study of rock pillar behaviors in laboratory and in-situ scales using combined finite-discrete element method models
With advances in numerical modeling techniques, the combined finite-discrete-element-
method (FDEM) is increasingly being used to study the mechanical behavior and failure …
method (FDEM) is increasingly being used to study the mechanical behavior and failure …
Elastoplastic semi-analytical investigation on a deep circular tunnel incorporating generalized Zhang–Zhu rock mass strength
C Su, W Cai, H Zhu - Computers and Geotechnics, 2022 - Elsevier
The semi-analytical method based on finite difference method is widely used in the study of
the mechanical response of surrounding rocks in a circular tunnel. The core of the three …
the mechanical response of surrounding rocks in a circular tunnel. The core of the three …
Elastic–plastic response of a deep tunnel excavated in 3D Hoek–Brown rock mass considering different approaches for obtaining the out-of-plane stress
W Cai, C Su, H Zhu, W Liang, Y Ma, J Xu… - International Journal of …, 2023 - Elsevier
The difficulty in the 3D analysis of a circular tunnel excavation lies in the selection of a
reasonable softening equation for the out-of-plane stress (σ z) in the plastic zone. This study …
reasonable softening equation for the out-of-plane stress (σ z) in the plastic zone. This study …
A numerical investigation into floor buckling mechanisms in underground coal mine roadways
Excessive floor deformation in underground coal mines, known as floor heave, can cause
production delays and thus financial losses. This paper presents parametric studies using …
production delays and thus financial losses. This paper presents parametric studies using …
Investigation of pillar damage mechanisms and rock-support interaction using Bonded Block Models
Abstract In this study, Bonded Block Models (BBMs) are used to investigate the pillar
damage mechanisms and rock-support interaction in massive-to-sparsely-fractured …
damage mechanisms and rock-support interaction in massive-to-sparsely-fractured …
A new model for the dilation of brittle rocks based on laboratory compression test data with separate treatment of dilatancy mobilization and decay
In this study, a new model is presented for the dilation angle of rocks which deform through
brittle mechanisms in laboratory compression tests. This model, which is defined by a …
brittle mechanisms in laboratory compression tests. This model, which is defined by a …