ISO 19426-1:2018

INTERNATIONAL ISO
STANDARD 19426-1
First edition
2018-05
Structures for mine shafts —
Part 1:
Vocabulary
Structures de puits de mine —
Partie 1: Vocabulaire
Reference number
ISO 19426-1:2018(E)
©
ISO 2018

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ISO 19426-1:2018(E)

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ISO 19426-1:2018(E)

Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
Bibliography .13
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ISO 19426-1:2018(E)

Foreword
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This document was prepared by Technical Committee ISO/TC 82, Mining.
A list of all parts in the ISO 19426 series can be found on the ISO website.
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ISO 19426-1:2018(E)

Introduction
Many mining companies, and many of the engineering companies that provide designs for mines,
operate globally so ISO 19426 was developed in response to a desire for a unified global approach to
the safe and robust design of structures for mine shafts. The characteristics of ore bodies, such as
their depth and shape, vary in different areas so different design approaches have been developed and
proven with use over time in different countries. Bringing these approaches together in ISO 19426 will
facilitate improved safety and operational reliability.
The majority of the material in ISO 19426 deals with the loads to be applied in the design of structures
for mine shafts. Some principles for structural design are given, but for the most part it is assumed that
local standards will be used for the structural design.
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INTERNATIONAL STANDARD ISO 19426-1:2018(E)
Structures for mine shafts —
Part 1:
Vocabulary
1 Scope
This document specifies the terms and definitions related to the structures for mine shafts, used
throughout ISO 19426.
Terms used in mining can vary from conventional engineering usage, and they vary quite considerably
between different countries. For this reason, alternative terms are provided in many of the entries. The
preferred terms, given in bold type, are those used throughout ISO 19426.
It is assumed that users of this document are familiar with mining, so common terms with normal
dictionary usage are not defined. Also, no definitions are provided for terms that can be widely used in
mining but are not explicitly used in ISO 19426.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
There are no normative references in this document.
3 Terms and definitions
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at http: //www .iso .org/obp
— IEC Electropedia : available at http: //www .electropedia .org
3.1
bank level
shaft collar
top of the shaft
3.2
bank door
collar door
shaft door
door installed at bank level (3.1) that prevents personnel, equipment and material from falling down
the shaft
3.3
bottom transom
structural member, or group of members, located at the bottom of the bridle (3.7) and used to transfer
underslung loads (3.85) or tail-rope loads to the bridle hangers (3.8)
Note 1 to entry: See Figures 1, 2 and 3.
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ISO 19426-1:2018(E)

3.4
box front
gate
structure located at the lower end of a rock pass (3.62) used to control rock (3.61) flow
3.5
brattice screen
screen to partition off a portion of the shaft to prevent falling objects or spillage moving from one area
of the shaft to another
Note 1 to entry: This is usually placed around personnel hoisting compartments to ensure safe hoisting
conditions.
3.6
brattice wall
airtight dividing wall partitioning a shaft into two distinct ventilation compartments, one being an
upcast compartment and the other a downcast compartment
3.7
bridle
structural frame that includes the top transom (3.81), the bottom transom (3.3) and the bridle hangers
(3.8) to form a frame that carries the cage (3.11) or skip (3.73) body
Note 1 to entry: See Figures 1, 2 and 3.
3.8
bridle hanger
structural member, or group of members, that transfers loads between the top transom (3.81) and
bottom transom (3.3)
Note 1 to entry: See Figures 1, 2 and 3.
3.9
brow beam
beam that supports the concrete layer that stabilizes the hanging wall at a station
3.10
bunton
structural member (usually horizontal) that primarily provides support to the conveyance (3.15)
guides (3.38)
3.11
cage
single or multiple deck conveyance (3.15) used for the transportation of personnel, equipment or
material (or both) in the shaft
Note 1 to entry: See Figure 1.
3.12
camelback
raised portion of the path traversed by a roller, used for tipping hoppers in decline shafts (3.21) or for
providing a gravity locking mechanism on skips (3.73) in vertical shafts
3.13
canopy
cover or roof structure, offering protection to persons on the top deck of the stage (3.75) or on a
conveyance (3.15)
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ISO 19426-1:2018(E)

3.14
catch plate
spectacle plate
device for operating and supporting the rope-detaching hook in a final overwind (3.56) condition, and
that subsequently prevents the detached conveyance (3.15) from running back down the shaft
3.15
conveyance
container or structure used in a mine shaft to transport a load or perform a task, that includes
counterweight (3.17), equipping skeleton (3.31) cage, inspection platform, kibble (3.47), personnel or
material cage, skip (3.73), sinking cross-head, material cars, hoppers, or cradle
Note 1 to entry: Some typical conveyances are illustrated in Figures 1, 2 and 3.
a) Front view b) Side view
Key
1 top transom (3.81) 4 bottom transom (3.3)
2 roof beam 5 bridle hanger (3.8)
3 floor beam
Figure 1 — Typical 3 deck cage components
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ISO 19426-1:2018(E)

a) Front view b) Side view
Key
1 top transom (3.81) 5 tipping roller
2 pivot bar 6 door
3 bridle hanger (3.8) 7 loading lip
4 bottom transom (3.3)
Figure 2 — Typical skip components
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ISO 19426-1:2018(E)

a) Front view b) Side view
Key
1 top transom (3.81) 4 bottom transom (3.3)
2 roof beam 5 bridle hanger (3.8)
3 floor beam
Figure 3 — Typical single deck cage components
3.16
control conveyance
pilot car
conveyance (3.15) in a decline shaft (3.21), attached to the haulage rope or the winding rope (3.88), that
can contain an operator who is in communication with the haulage engine or winder (3.87) and that
controls the operation of the train
3.17
counterweight
balance mass in a conveyance (3.15) winding system
3.18
crash beam
beam intended to stop the conveyance (3.15) in the event of a final overwind (3.56)
3.19
critical load bearing component
structural components, failure of which would be catastrophic
Note 1 to entry: For conveyances (3.15), this includes all top transoms (3.81) and bottom transoms (3.3), bridle
hangers (3.8), floor beams and their immediate connecting elements.
3.20
cross beam
beam spanning between the shaft walls (3.69) for the purposes of suspending a stage (3.75)
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ISO 19426-1:2018(E)

3.21
decline shaft
incline shaft
inclined excavation equipped with tracks where people, material or rock (3.61) are regularly
transported by means of a winder (3.87)
Note 1 to entry: The term incline shaft is used if the shaft was excavated from the lower end upwards.
3.22
distributor
kettle
reservoir supported on the stage (3.75), that contains the concrete before it is placed in the shaft
formwork
3.23
dogging system
device mounted on a conveyance (3.15) and intended to stop the conveyance by engaging onto the guides
(3.38) in the event of loss of head rope (3.42) tension
3.24
doubling-down
procedure where a rope is doubled by use of a sheave temporarily attached to the conveyance (3.15) to
carry out any of the following:
a) installation and changing of winding ropes (3.88);
b) cutting of winding rope back ends;
c) lowering of abnormal loads; or
d) tightening of winding rope coils on the winder (3.87) drum
3.25 Dropsets
3.25.1
emergency arresting dropset
dropbeam
hinged beam or beams installed in a decline shaft (3.21) to arrest a runaway conveyance (3.15)
3.25.2
station dropset
pair of hinged beams and tracks that is used to divert a conveyance (3.15) from its inclined plane of
travel to a horizontal plane at a station
3.26
drop test
test performed by dropping a conveyance (3.15) to confirm the adequate performance of the dogging
system (3.23)
Note 1 to ent
...