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| Study on the energy storage ability criterion in a kind of rockburst and application |
| Received:August 08, 2008 |
| View Full Text View/Add Comment Download reader |
| DOI：10.7511/jslx20093006 |
| KeyWord:Jointd Rock viscoelasticity equivalent analysis adaptive algorithm finite element |
| Author | Institution |
| 秦剑峰 |
河海大学 土木工程学院,南京 |
| 卓家寿 |
河海大学 土木工程学院,南京 |
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| Abstract: |
| Study on a kind of rockburst-strain bursting from the point of energy. The researches give a complete discussion on the sources of energy,the way energy dissipation,the magnitude of the released energy and its reason. The energy storage ability criterion is put forward: the capacity of energy storage of rockmass is not a constant,it changes with the stress. When the stress changes suddenly,resulting the energy stored larger than the capacity of energy storage under present stress,the residual energy will release in kinds of way,including the kinetic energy. The simplified one-dimensional and three-dimensional models are analyzed based on the energy storage ability criterion,and the process of rockburst in the condition of unloading is reappeared using the discrete element software 3DEC. |
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