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Geotechnical Design for Sublevel Open Stoping

Ernesto Villaescusa
Published by CRC Press, an imprint of Taylor & Francis - 2014
542 pages
Hardbound

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Geotechnical Design for Sublevel Open Stoping details the design and operation of sublevel open stoping, including variants such as bench stoping. The book discusses increases in sublevel spacing due to advances in the drilling of longer and more accurate production holes as well as advances in explosive types, charges, and initiation systems. Improvement in slot rising through vertical crate retreat, inverse drop rise, and raise boring are considered. Rock mass characterization is covered in detail because increases in sublevel spacing have preordained that larger, unsupported stope walls must stand without collapsing. Methodologies to design optimum open spans and pillars are described, as are rock reinforcement of development access and stop walls, and fill masses to support the resulting stope voids.

The text also reviews the sequencing of stoping blocks to minimize in situ stress concentrations and examines dilution control action plans and techniques to back-analyze and optimize stope wall performance.

Featuring numerous case studies from the world-renowned Mount Isa Mines and examples from underground mines in Western Australia, Geotechnical Design for Sublevel Open Stoping is a practical reference for industry and a specialized textbook for advanced undergraduate and postgraduate mining studies.

Contents

  • Mining Method Selection
  • Sublevel Stoping Geometry
  • Planning and Design
  • Rock Mass Characterization
  • Span and Pillar Design
  • Drilling and Blasting
  • Rock Reinforcement and Support
  • Mine Fill
  • Dilution Control
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