Serviceability Limit States of Underground Structures - Japaridze, Levan
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The main topic of this book is the calculation of underground structures at the limit states of serviceability. It considers the main schemes typical for underground structures for various purposes, gives the corresponding mathematical models describing the main geo-mechanical and technological factors in the construction and operation of extended excavations. Generalized criteria are proposed for making a technically and economically justified solution of the problem of determining the optimal forms and sizes of workings, bearing capacity, type of support and its erection, depending on the…mehr

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Produktbeschreibung
The main topic of this book is the calculation of underground structures at the limit states of serviceability. It considers the main schemes typical for underground structures for various purposes, gives the corresponding mathematical models describing the main geo-mechanical and technological factors in the construction and operation of extended excavations. Generalized criteria are proposed for making a technically and economically justified solution of the problem of determining the optimal forms and sizes of workings, bearing capacity, type of support and its erection, depending on the structural features of the rock mass, the primary stress fields of gravitational, tectonic, seismic acting in it. and technological origins, operational requirements for extended excavations. The corresponding algorithms, block diagrams and specific numerical examples of calculations are given. In most of the existing calculation methods the structure is considered in the elastic stage, the strength limit of the bearing capacity is considered as the moment when the maximum internal stresses reach the corresponding design resistances of the material. If it is legitimate to use this criterion in certain cases of calculation of statically determinable structures operating in the given loading mode, then in cases where the support operates in the mode of mutually influencing deformation together with the rock mass, it leads to a significant waste of material.

Autorenporträt
Levan Japaridze Member of the Georgian National Academy of Sciences, and the Academy of Engineer Sciences; Professor of Mining Engineering at the Georgian Technical University since 1972 in Rock Mechanics, Theory and Design of Tunnels and Underground Constructions. Graduated from the Georgian Technical University in 1960, majoring in Construction of the Underground Structures, and Civil and Industry Engineering in 1961. From 1965 to 1968 he was post-graduate student at St.Petersburg Institute of Mining Geomechanics and Surveying (VNIMI) majoring in design and construction of underground structures; was awarded Ph.D. by Moscow Mining Institute in 1978.