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sábado, 7 de junio de 2014


ingenieria_arte: Geotechnical Design for Sublevel Open Stoping  

Geotechnical Design for Sublevel Open Stoping  
Autor: Villaescusa,Ernesto
  • Páginas: 542
  • Tamaño: 17x24
  • Edición:
  • Idioma: Inglés
  • Año: 2014
  •  155,00
SI LO DESEA PUEDE EFECTUAR SU COMPRA EN    www.ingenieriayarte.com

 The first comprehensive work on one of the most important underground mining methods worldwide, Geotechnical Design for Sublevel Open Stoping presents topics according to the conventional sublevel stoping process used by most mining houses, in which a sublevel stoping geometry is chosen for a particular mining method, equipment availability, and work force experience. Summarizing state-of-the-art practices encountered during his 25+ years of experience at industry-leading underground mines, the author:

    Covers the design and operation of sublevel open stoping, including variants such as bench stoping
    Discusses increases in sublevel spacing due to advances in the drilling of longer and accurate production holes, as well as advances in explosive types, charges, and initiation systems
    Considers improvements in slot rising through vertical crater retreat, inverse drop rise, and raise boring
    Devotes a chapter to rock mass characterization, since increases in sublevel spacing have meant that larger, unsupported stope walls must stand without collapsing
    Describes methodologies to design optimum open spans and pillars, rock reinforcement of development access and stope walls, and fill masses to support the resulting stope voids
    Reviews the sequencing of stoping blocks to minimize in situ stress concentrations
    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 both a practical reference for industry and a specialized textbook for advanced undergraduate and postgraduate mining studies.

Table Contenst


Mining Method Selection

Self-Supported Mining Methods

Sublevel Open Stoping

Factors Controlling Stope Wall Behaviour

Scope and Contents of This Book

Sublevel Stoping Geometry


Stoping Geometries

Multiple Lift Open Stoping

Single Lift Stoping

Shallow Dipping Tabular Orebodies

Bench Stoping

Planning and Design


Geological and Geotechnical Characterisation

Stress Analysis in Stope Design

Design of Stoping Blocks

Detailed Stope Design

Rock Mass Characterisation


Characterisation from Exploration Core

Analysis of Logging Data

Geotechnical Mapping of Underground Exposures

Analysis of Mapping Data

Intact Rock Strength

The Mechanical Properties of Rock Masses

Rock Stress

Span and Pillar Design


Empirical Span Determination Using Rock Mass Classification Methods

The Stability Graph Method

Numerical Modelling of Stope Wall Stability

Pillar Stability Analysis

Drilling and Blasting


Longhole Drilling

Blast Design Parameters

Ring Design

Explosive Selection

Explosive Placement

Initiation Systems

Raise and Cut-Off Slot Blasting

Trough Undercut Blasting

Rock Diaphragm Blasting

Rock Reinforcement and Support



Ground Support Design

Rock Bolting of Open Stope Development Drives

Cable Bolting of Open Stope Walls

Cable Bolt Corrosion

Cement Grouting of Cable Bolts

Support Systems

Mine Fill


Unconsolidated Rock Fill

Cemented Rock Fill

Hydraulic Fill

Cemented Paste Fill

Open Stope Fill Operations Systems

Fill Monitoring and Quality Control

Dilution Control


Types of Dilution

Economic Impact of Dilution

Parameters Influencing Dilution

Cavity Monitoring System (CMS)

Dilution Control Plan

Scale-Independent Measures of Stope Performance

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