Structures for mine shafts — Part 2: Headframe structures

This document specifies the design loads and the design procedures for the structural design of headframe structures of mine shafts and their components for permanent and sinking operations. The headframe includes all structures and their foundations, that are required at the head of all vertical and decline mine shafts for the purposes of supporting and installing winding and sinking ropes, conveyance guides, rope guides and rubbing ropes, equipment for loading and unloading conveyances, safety devices, as well as ancillary sinking and maintenance equipment. The headframe also includes the bank and sub-bank levels. This document does not cover matters of operational safety or layout of the headframe. This document adopts a limit states design philosophy.

Structures de puits de mine — Partie 2: Chevalements

General Information

Status
Published
Publication Date
03-May-2018
Current Stage
9092 - International Standard to be revised
Start Date
15-Sep-2023
Completion Date
15-Sep-2023
Ref Project

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ISO 19426-2:2018 - Structures for mine shafts — Part 2: Headframe structures Released:5/4/2018
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INTERNATIONAL ISO
STANDARD 19426-2
First edition
2018-05
Structures for mine shafts —
Part 2:
Headframe structures
Structures de puits de mine —
Partie 2: Chevalements
Reference number
©
ISO 2018
© ISO 2018
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2018 – All rights reserved

Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Symbols . 2
5 Materials . 3
6 Nominal loads . 3
6.1 Permanent loads . 3
6.1.1 General. 3
6.1.2 Equipment permanent loads . 3
6.1.3 Additional permanent loads . 4
6.1.4 Crash beam anchor guy pre-tension loads . 4
6.2 Imposed loads (excluding rope loads). 4
6.2.1 General. 4
6.2.2 Floor and platform loads . 4
6.2.3 Bin material loads and chute material loads . 4
6.2.4 Conveyance operating loads . 4
6.2.5 Headframe-mounted winder loads . 4
6.2.6 Kibble loads . 5
6.2.7 Bank door operating loads . 5
6.2.8 Abnormal loads . 5
6.2.9 Earthquake loads . 5
6.2.10 Conveyance drop test loads . 5
6.3 Rope or conveyance installation loads . 5
6.3.1 General. 5
6.3.2 Winding rope installation load . 6
6.3.3 Winding rope doubling-down load . 6
6.3.4 Tail rope installation or replacement load . 7
6.3.5 Rope guide and rubbing rope installation or replacement load . 7
6.3.6 Conveyance change over load . 7
6.4 Rope operating loads . 7
6.4.1 General. 7
6.4.2 Winding rope operating loads . 7
6.4.3 Stage rope operating loads . 7
6.4.4 Lateral rope operating loads on sheaves . 8
6.4.5 Rope guide and rubbing rope operating loads . . 8
6.5 Emergency loads . 8
6.5.1 Emergency rope load . 8
6.5.2 Emergency dropback loads . 9
6.5.3 Crash beam and catch plate loads . 9
6.5.4 Emergency arrestor anchor loads . 9
6.5.5 Headframe-mounted winder emergency loads . 9
6.5.6 Energy release loads following rope break .10
6.5.7 Dogging system loads .10
7 Design procedures .10
7.1 Design loads .10
7.2 Design standards .10
7.2.1 Design for emergency rope loads .10
7.3 Overall stability .10
7.4 Serviceability limit state .10
7.4.1 General.10
7.4.2 Deflection limits .11
7.4.3 Headframe-mounted winders .11
Annex A (informative) Load factors and load combinations .12
Bibliography .14
iv © ISO 2018 – All rights reserved

Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www .iso .org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following
URL: www .iso .org/iso/foreword .html.
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.
Introduction
Many mining companies, and many of the engineering companies which 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.
vi © ISO 2018 – All rights reserved

INTERNATIONAL STANDARD ISO 19426-2:2018(E)
Structures for mine shafts —
Part 2:
Headframe structures
1 Scope
This document specifies the design loads and the design procedures for the structural design of
headframe structures of mine shafts and their components for permanent and sinking operations. The
headframe includes all structures and their foundations, that are required at the head of all vertical
and decline
...


INTERNATIONAL ISO
STANDARD 19426-2
First edition
2018-05
Structures for mine shafts —
Part 2:
Headframe structures
Structures de puits de mine —
Partie 2: Chevalements
Reference number
©
ISO 2018
© ISO 2018
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2018 – All rights reserved

Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Symbols . 2
5 Materials . 3
6 Nominal loads . 3
6.1 Permanent loads . 3
6.1.1 General. 3
6.1.2 Equipment permanent loads . 3
6.1.3 Additional permanent loads . 4
6.1.4 Crash beam anchor guy pre-tension loads . 4
6.2 Imposed loads (excluding rope loads). 4
6.2.1 General. 4
6.2.2 Floor and platform loads . 4
6.2.3 Bin material loads and chute material loads . 4
6.2.4 Conveyance operating loads . 4
6.2.5 Headframe-mounted winder loads . 4
6.2.6 Kibble loads . 5
6.2.7 Bank door operating loads . 5
6.2.8 Abnormal loads . 5
6.2.9 Earthquake loads . 5
6.2.10 Conveyance drop test loads . 5
6.3 Rope or conveyance installation loads . 5
6.3.1 General. 5
6.3.2 Winding rope installation load . 6
6.3.3 Winding rope doubling-down load . 6
6.3.4 Tail rope installation or replacement load . 7
6.3.5 Rope guide and rubbing rope installation or replacement load . 7
6.3.6 Conveyance change over load . 7
6.4 Rope operating loads . 7
6.4.1 General. 7
6.4.2 Winding rope operating loads . 7
6.4.3 Stage rope operating loads . 7
6.4.4 Lateral rope operating loads on sheaves . 8
6.4.5 Rope guide and rubbing rope operating loads . . 8
6.5 Emergency loads . 8
6.5.1 Emergency rope load . 8
6.5.2 Emergency dropback loads . 9
6.5.3 Crash beam and catch plate loads . 9
6.5.4 Emergency arrestor anchor loads . 9
6.5.5 Headframe-mounted winder emergency loads . 9
6.5.6 Energy release loads following rope break .10
6.5.7 Dogging system loads .10
7 Design procedures .10
7.1 Design loads .10
7.2 Design standards .10
7.2.1 Design for emergency rope loads .10
7.3 Overall stability .10
7.4 Serviceability limit state .10
7.4.1 General.10
7.4.2 Deflection limits .11
7.4.3 Headframe-mounted winders .11
Annex A (informative) Load factors and load combinations .12
Bibliography .14
iv © ISO 2018 – All rights reserved

Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www .iso .org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following
URL: www .iso .org/iso/foreword .html.
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.
Introduction
Many mining companies, and many of the engineering companies which 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.
vi © ISO 2018 – All rights reserved

INTERNATIONAL STANDARD ISO 19426-2:2018(E)
Structures for mine shafts —
Part 2:
Headframe structures
1 Scope
This document specifies the design loads and the design procedures for the structural design of
headframe structures of mine shafts and their components for permanent and sinking operations. The
headframe includes all structures and their foundations, that are required at the head of all vertical
and decline
...

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