Dr. Alex Vyazmensky
  

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PhD research files:   
      Application of FEM/DEM-DFN Modelling in Rock Engineering
Применение метода конечно-граничных элементов для решения геомеханических задач
rock mass fracturing due to stress redistribution; block caving - cave initiation, cave propagation mechanism, crown pillar collapse  surface subsidence development; block cave - open pit interaction, rock bridge failure, slope stability
1. BLOCK CAVING
1.1. Cave Development Mechanism in a Homogeneous Rockmass

1.2. Influence of Geological Structure on Cave Propagation

contours illustrate vertical displacements 10cm(red)/1m(blue).  

Contrasting with the animation given below, note the role of joint orientation in initial cave propagation and the governing role of a fault in subsidence development. 






 
  




1.3. Simulation of Block Caving and Surface Subsidence Development
1.4. Simulation of Block Caving and Surface Subsidence Development, Stalled Cave, Crown Pillar Failure
 

2. LARGE OPEN PIT - BLOCK CAVE INTERACTION

Illustration of block caving induced open pit slope instability: failure in rock bridges of non-coplanar step path joints dipping into the cavemore info 
rock bridge failure
 
Industrial case study example  more info


3. SLOPE FAILURE

Illustration of a joint controlled slope failure: rock fracturing initiation, failure surface formation, collapse and debris run-off.

 


 
further information on FEM/DEM modelling is provided in RESEARCH and MASSMIN pages
 

For more FEM/DEM simulation examples go to  
 
 
 
 


Disclaimer: "all models are wrong but some are useful" G.Box