TY  - EJOU
AU  - Gajdošík, J. 
AU  - Šejnoha, M. 
AU  - Zeman, J. 

TI  - Homogenized response of jointed rock masses with periodic fields
T2  - The International Conference on Computational \& Experimental Engineering and Sciences

PY  - 2007
VL  - 4
IS  - 2
SN  - 1933-2815

AB  - Rock masses with relatively high concentration of discontinuities or joints are considered. Being aware of limitations of various averaging techniques such as the self consistent or Mori-Tanaka methods in providing reliable estimates of generally nonlinear macroscopic response of jointed rock masses, the paper introduces a notion of statistically equivalent periodic unit cell (SEPUC). Such a unit cell contains, in order to reduce the problem complexity, of the orders of magnitude less number of joints in comparison with the actual material system. In analogy with two-phase composites, the SEPUC is expected to be found in a statistical sense by matching suitable microstructure descriptors of both the actual microstructure and periodic one. A possibility of using the second order intensity function as a informative descriptor of the cracks distribution is investigated and possible improvements, although without computational support, are proposed. These will be described in the following paper.
KW  - 

DO  - 10.3970/icces.2007.004.129