[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] A post-peak dilatancy model for soft rock and its application in deep tunnel excavation
The dilation angle is the most commonly used parameter to study nonlinear post-peak
dilatancy (PPD) behavior and simulate surrounding rock deformation; however, simplified or …
dilatancy (PPD) behavior and simulate surrounding rock deformation; however, simplified or …
A unified strain-hardening and strain-softening elastoplastic constitutive model for intact rocks
A unified strain-hardening and strain-softening (UHS) elastoplastic constitutive model is
developed to capture the nonlinearity of intact rocks. Three new developments are …
developed to capture the nonlinearity of intact rocks. Three new developments are …
Evolution of the mechanical and strength parameters of hard rocks in the true triaxial cyclic loading and unloading tests
Rock fracture process is associated with the degradation and mobilization of the mechanical
and strength properties of rock. A number of true triaxial cyclic loading and unloading tests …
and strength properties of rock. A number of true triaxial cyclic loading and unloading tests …
A study on Bonded Block Model (BBM) complexity for simulation of laboratory-scale stress-strain behavior in granitic rocks
The emergent macroscopic behaviors of Bonded Block Models (BBM) are governed largely
by the properties assigned to their three components–blocks, contacts and zones (blocks …
by the properties assigned to their three components–blocks, contacts and zones (blocks …
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 …
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 …
True triaxial stresses mobilizing dilatant fracturing and engineering failure of hard rocks
Y Zhang, Z Wang, D Xu, Y Gao, Y Zhou, L Gu - Engineering Failure …, 2023 - Elsevier
Rock dilation represents a nonlinear deformation and volume change, which can be
quantified by the dilation angle, and plays a crucial role in the failure analysis of …
quantified by the dilation angle, and plays a crucial role in the failure analysis of …
Back analysis of a pillar monitoring experiment at 2.4 km depth in the Sudbury Basin, Canada
In November 2013, a pillar monitoring and back analysis experiment was initiated on the
7910 level of the Creighton Mine, in Sudbury, Canada. An extensometer array was installed …
7910 level of the Creighton Mine, in Sudbury, Canada. An extensometer array was installed …
Crack damage parameters and dilatancy of artificially jointed granite samples under triaxial compression
A database of post-peak triaxial test results was created for artificially jointed planes
introduced in cylindrical compression samples of a Blanco Mera granite. Aside from …
introduced in cylindrical compression samples of a Blanco Mera granite. Aside from …