Physics – Geophysics
Scientific paper
2010-05-19
Physics
Geophysics
Scientific paper
The shear strength and stick-slip behavior of a rough rock joint are analyzed using the complex network approach. We develop a network approach on correlation patterns of void spaces of an evolvable rough fracture (crack type II). Correlation among networks properties with the hydro -mechanical attributes (obtained from experimental tests) of fracture before and after slip is the direct result of the revealed non-contacts networks. Joint distribution of locally and globally filtered correlation gives a close relation to the contact zones attachment-detachment sequences through the evolution of shear strength of the rock joint. Especially spread of node's degree rate to spread of clustering coefficient rate yielded possible stick and slip sequences during the displacements. Our method can be developed to investigate the complexity of stick-slip behavior of faults as well as energy /stress localization on crumpled shells/sheets in which ridge networks are controlling the energy distribution.
Evgin Erman.
Ghaffari Hamed . O.
Sharifzadeh Mostafa
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