Effect of rock bridge length on fracture and damage modelling in granite containing hole and fissures under cyclic uniaxial increasing-amplitude decreasing-frequency …
Rock mass is often encountered with complicated stress disturbance, the cyclic or fatigue
loading path with fixed loading frequency and amplitude are widely performed. To date …
loading path with fixed loading frequency and amplitude are widely performed. To date …
Strain rockburst failure characteristics and mechanism of high stress circular hard rock tunnel triggered by dynamic impact load
Strain rockburst poses a great threat to the construction safety of deep engineering,
especially induced by dynamic impact loads such as blasting from the adjacent tunnel …
especially induced by dynamic impact loads such as blasting from the adjacent tunnel …
Investigating the crack initiation and propagation mechanism in brittle rocks using grain-based finite-discrete element method
Fracturing process and possible factors influencing crack initiation, propagation and
coalescence of granitic rocks are investigated using a grain-based finite-discrete element …
coalescence of granitic rocks are investigated using a grain-based finite-discrete element …
Experimental investigation on the influence of a single structural plane on rockburst
T Cheng, M He, H Li, D Liu, Y Qiao, J Hu - Tunnelling and Underground …, 2023 - Elsevier
The structural planes adjacent to the tunnel have a significant effect on rockburst, which has
become an important engineering issue. To investigate the influence of such a rigid …
become an important engineering issue. To investigate the influence of such a rigid …
Study on the effect of micro-geometric heterogeneity on mechanical properties of brittle rock using a grain-based discrete element method coupling with the cohesive …
The micro-geometric heterogeneity has a significant effect on the mechanical behavior and
failure mode of brittle rocks. To study the influence of the size distribution and preferred …
failure mode of brittle rocks. To study the influence of the size distribution and preferred …
[HTML][HTML] An overview of particle-based numerical manifold method and its application to dynamic rock fracturing
This review summarizes the development of particle-based numerical manifold method
(PNMM) and its applications to rock dynamics. The fundamental principle of numerical …
(PNMM) and its applications to rock dynamics. The fundamental principle of numerical …
Coupled mechanism of compression and prying-induced rock burst in steeply inclined coal seams and principles for its prevention
Rock bursts frequently occur in steeply inclined and extremely thick coal seams (SIETCS),
posing severe challenges to safe mining. To reduce the risk of rock burst in SIETCS, this …
posing severe challenges to safe mining. To reduce the risk of rock burst in SIETCS, this …
[HTML][HTML] Spalling characteristics of high-temperature treated granitic rock at different strain rates
LF Fan, QH Yang, XL Du - Journal of Rock Mechanics and Geotechnical …, 2024 - Elsevier
The dynamic spalling characteristics of rock are important for stability analysis in rock
engineering. This paper presented an experimental investigation on the dynamic spalling …
engineering. This paper presented an experimental investigation on the dynamic spalling …
Combined finite-discrete element modellings of rockbursts in tunnelling under high in-situ stresses
Rockburst is one of the severe geotechnical problems that may occur while tunnelling under
high in-situ stresses. Despite numerous studies in the relevant literature, the evaluation and …
high in-situ stresses. Despite numerous studies in the relevant literature, the evaluation and …
Modelling of gas-driven fracturing and fragmentation in liquid CO2 blasting using finite-discrete element method
The high-pressure gas combined with the action of the stress wave has a significant effect to
drive fractures and enhance fragmentation in CO 2 blasting. Modelling the whole process …
drive fractures and enhance fragmentation in CO 2 blasting. Modelling the whole process …