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Conference Proceedings

Vl Australian Tunnelling Conference: Bore or Blast, Melbourne

Conference Proceedings

Vl Australian Tunnelling Conference: Bore or Blast, Melbourne

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General Approaches to the Design of Underground Openings

The elements of consistent structural de sign models for underground structures are explained. Such models should comprise at least ground properties, excavation and support methods, computational models for analysis, failure hypotheses, and in-situ monitoring. The fundamental characteristics of the interaction between ground and support are investigated._x000D_
Then, plane strain models for soft ground tun- nelling and design models for rock tunnelling employing stress release at the tunnel face are elaborated. Some numerical evaluations are gi- ven in diagrams, comparing approaches of dif- ferent authors. Comments are presented on nume- rical three-dimensional models (visualized by structural models for mining in rock salt), on the interaction of in-situ monitoring and design, on structural safety for underground structures, and finally on the general develop- ment of structural design models in geo- Techniques.
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  • Published: 1987
  • PDF Size: 1.844 Mb.
  • Unique ID: P198701022

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