Hard Rock Tunneling System Evaluation and Computer Simulation

Abstract

An analysis of underground excavation is presented. Tunneling is emphasized because it is shown that tunneling is the major part of military and civil defense projects specifying underground facilities. The factors which affect the design and performance of an excavation system are discussed. Geological prediction techniques and research are surveyed to identify promise of measurable improvement. An approach to modeling the tunneling process is developed; this formulates a modular structure of a computer simulation to represent any one of many excavation system possibilities. The first set of mathematical relationships which model rock fragmentation by boring machine, drill-and-blast, pellet impact, and water jet are derived.

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 1971
Accession Number
AD0733667

Entities

People

  • D. S. Hyman
  • F. H. Murphy
  • L. M. Pietrzak
  • R. R. Hibbard
  • S. R. Rubens
  • W. R. Thomson

Tags

Communities of Interest

  • Biomedical
  • Energy and Power Technologies
  • Ground and Sea Platforms
  • Human Systems
  • Weapons Technologies

DTIC Thesaurus Topics

  • Civil Defense
  • Computer Simulations
  • Computers
  • Construction
  • Construction Materials
  • Contracts
  • Engineers
  • Excavation
  • Firing Rate
  • Groundwater
  • Materials Processing
  • Measurement
  • Mechanics
  • National Security
  • Rapid Excavation
  • Security
  • Test And Evaluation

Fields of Study

  • Engineering

Readers

  • Explosive Engineering.
  • Systems Analysis and Design
  • Theoretical Analysis.