The paper deals with methods of data acquisition and the required input for the numerical analysis of excavation problems in rock. Characteristic rock mass properties for input into numerical models are identified and examples given.

  • INTRODUCTION

  • MODELLING TECHNIQUES

  • BOUNDARY ELEMENT METHOD – ONE REGION

  • VIRGIN STRESS FIELD

  • BOUNDARY ELEMENT METHOD – MULTIPLE REGIONS

  • JOINTS AND FAULTS – EXPLICIT MODELLING

  • ELASTO-PLASTIC MODELLING – FINITE ELEMENT AND COUPLED METHOD

  • INTACT ROCK

  • ROCK JOINTS

  • TIME DEPENDENT MODELLING – VISCO-PLASTICITY AND CREEP

  • DISCRETE ELEMENT METHOD

  • SUMMARY AND CONCLUSIONS

  • TYPE OF ANALYSIS

  • INPUT DATA REQUIRED

  • REFERENCES

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