Analysis of excavations in jointed rock of infinite extent | Zendy

Sofianos A. I. | Zendy; Watson J. O. | Zendy

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Analysis of excavations in jointed rock of infinite extent

Author(s) -

Sofianos A. I.,

Watson J. O.

Publication year - 1986

Publication title -

international journal for numerical and analytical methods in geomechanics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.419

H-Index - 91

eISSN - 1096-9853

pISSN - 0363-9061

DOI - 10.1002/nag.1610100203

Subject(s) - classification of discontinuities , excavation , quadratic equation , orthotropic material , bed , boundary (topology) , virtual work , geology , point (geometry) , structural engineering , geotechnical engineering , plane (geometry) , geometry , mathematics , engineering , finite element method , mathematical analysis , physics , anisotropy , quantum mechanics

The subject of this work is the development of a code to study the behaviour of stratified and jointed rock masses around underground excavations. The rock mass is divided into two types of regions, one which is supposed to exhibit linear elastic behaviour and which may extend to infinity, and the other which will include discontinuities that behave inelastically. The former has been simulated by a symmetric direct, boundary integral, plane strain, quadratic, orthotropic module, and the latter by quadratic plane strain, membrane and inelastic joint elements. The two modules are coupled in one program. Sequences of loading include static point, pressure, body and residual loads, construction and excavation sequences, and quasi‐static earthquake load. The programe is interactive, with graphics. A numerical example is presented to illustrate the method.

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