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BSI 21/30419746 DC:2021 Edition

BSI 21/30419746 DC:2021 Edition

$13.70

BS ISO 23872. Mining structures. Underground structures

Published By Publication Date Number of Pages
BSI 2021 51
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This document specifies the design loads and the design procedures for the design of structures used in underground mines. This standard covers all steel and concrete structures used in underground mines, irrespective of the depth of the mine or the product being mined.

This document adopts a limit states design philosophy.

There are many reasons, based on mining processes, mining equipment, technical, timing, and cost factors why certain structures can be constructed underground for a particular application rather than on surface, and these are carefully assessed at feasibility stage of any mining project. This standard does not set out to provide comments or recommendations regarding the advantages and disadvantages of using any type of structure underground, but it covers specific design aspects considered when using structures in underground mines. This standard is thus primarily intended to provide the technical information necessary to ensure good engineering of structures where their construction and use underground is the chosen solution.

Typical underground structures covered by this standard include, but are not limited to:

  • Box front structures at the bottom of rock passes

  • Conveyor gantry and transfer structures

  • Chairlift support structures

  • Crusher support structures

  • Fan support structures

  • Fixed or retractable arresting structures for ramps (see ISO 19426-5)

  • Foundations for pumps, fans, winches and underground winders

  • High pressure bulkheads

  • Monorails

  • Overhead crane gantries for workshops, pump stations and sub shaft winder chambers

  • Settler structures

  • Silo bulkhead structures

  • Silo structures

  • Structures supporting loose rock

  • Tip structures, including dump structures

  • Ventilation control doors and other ventilation structures

  • Walls and floors for safety bays, refuge stations and sub-stations

  • Water control doors

  • Water retaining structures

  • Underground head frames

This document does not cover matters of operational safety or layout of the underground structures.

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BSI 21/30419746 DC
$13.70