Rock Mass Stability Around Underground Excavations in a Mine

Rock Mass Stability Around Underground Excavations in a Mine

A Case Study

Kulatilake, Pinnaduwa; Xing, Yan; Sandbak, Louis

Taylor & Francis Ltd

06/2021

196

Mole

Inglês

9781032084312

15 a 20 dias

349

Descrição não disponível.
1 Introduction
2 Description of the site, the tunnel system, ground control methods and field measurements
3 Methodologies for investigating rock mass stability around underground excavations
4 Some critical factors in modeling rock mass stability around underground excavations
5 Theory and background of three-dimensional Distinct Element Code
6 Conducted laboratory tests and results
7 Three-dimensional discontinuum numerical modeling of tunnel stability
8 Conclusions and recommendations for future work
Appendices
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Rock Mass;Multiple Impact Factors;3-D Distinct Element Code;Rock Mass Stability;3DEC;Rock Mass Deformation Modulus;geo-mechanical laboratory tests;Tuffaceous Mudstones;saw-cut smooth joints;Cable Bolts;numerical simulations;Dacite Samples;field deformations;Degradation Area;numerical modelling;Rock Mass Ratings;3-D discontinuum model;Rock Mass Behavior;open tunnels;Underground Excavations;backfilled tunnels;Rock Mass Properties;geology; geological;RMR Value;Swellex Bolts;Rock Mass Classification Systems;Lateral Stress Ratio;Dacite Rock;Joint Friction Angle;Distinct Element Method;In-situ Stresses;Resin Bolts;Equivalent Continuum Modeling;Tunnel Stability;Joint Normal Stiffness;Joint Shear Stiffness