Levan Japaridze

Serviceability Limit States of Underground Structures (eBook, PDF)

• Format: PDF

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.

In addition, this book:

• Describes contemporary methods for calculating the limit states of underground structures
• Covers a wide range of mining and geomechanical conditions and loading modes of underground structures
• Considers various schemes of ground-structure and modes of failure for different kinds of structures

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Produktdetails

• Verlag: Springer Nature Switzerland
• Seitenzahl: 224
• Erscheinungstermin: 17. April 2024
• Englisch
• ISBN-13: 9783031519000
• Artikelnr.: 70390537

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.

Inhaltsangabe

General information and basic concept.- Stress-strain state of a rock mass.- Stressed state of the rock mass around the excavation.- Interaction of a rock mass with the support system.- Limit states of supports of underground structures.- Limit state analysis of the underground structure.