BS-7861-1-2007.pdf
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1、BS 7861-1:2007 Strata reinforcement support system components used in coal mines Part 1: Specification for rockbolting ICS 73.100.10 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BRITISH STANDARD Publishing and copyright information The BSI copyright notice displayed in this
2、 document indicates when the document was last issued. BSI 2007 ISBN 978 0 580 58550 0 The following BSI references relate to the work on this standard: Committee reference MRE/1 Draft for comment 07/30163374 DC Publication history First published October 1996 Second edition, October 2007 Amendments
3、 issued since publication Amd. no.DateText affected BS 7861-1:2007 BSI 2007i BS 7861-1:2007 Contents Foreword iii 1Scope 1 2Normative references 1 3Terms and definitions 2 4Steel rockbolts and components 4 5Glass fibre reinforced plastic (GRP) rockbolts and components for use in the sides 6 6Resins
4、and capsules 9 7System type tests Steel rockbolts 10 8System type tests GRP rockbolts 11 Annexes Annex A (normative) Tensile test on steel bar 12 Annex B (normative) Resistance to brittle fracture 12 Annex C (normative) Breakout facility torque test 14 Annex D (normative) Tensile test to establish f
5、lattening and pull through loads of steel domed washer plate assemblies 15 Annex E (normative) Alignment test 17 Annex F (normative) Fire resistance test on non-metallic components 18 Annex G (normative) Torsional strength test on GRP bar 20 Annex H (normative) Tensile strength test on GRP bar 21 An
6、nex I (normative) Minimum tensile strength of GRP rockbolt bar 23 Annex J (normative) Flexural strength tests on GRP rockbolt bar 25 Annex K (normative) Tensile test to establish GRP bolt assembly failure load 26 Annex L (normative) Determination of uniaxial compressive strength (UCS) of resin 28 An
7、nex M (normative) Determination of elastic modulus of resin 29 Annex N (normative) Determination of creep of resin 31 Annex O (normative) Tensile test on rockbolt threaded end 33 Annex P (normative) Shear test on rockbolt/resin system 34 Annex Q (normative) Determination of bond strength and system
8、stiffness 36 Bibliography 44 List of figures Figure 1 Example of a steel rockbolt assembly in situ 3 Figure B.1 Charpy impact specimen machining from bar details 13 Figure C.1 Arrangement for nut breakout torque test for GRP rockbolts 15 Figure D.1 Load test arrangement for tensile test flattening a
9、nd pull through loads of steel domed washer plate 16 Figure E.1 Alignment capacity of conical seat and domed washer plate assembly 17 Figure F.1 Draught-free cabinet for flame test 19 Figure G.1 Arrangement for torsional strength test on GRP bar 20 Figure H.1 Arrangement for tensile test on GRP bar
10、22 Figure I.1 Double embedment tensile test schematic diagram 24 Figure J.1 Arrangement for flexural strength test on GRP bar 25 BS 7861-1:2007 ii BSI 2007 Figure K.1 Load test arrangement for GRP components 27 Figure M.1 Arrangement for elastic modulus test and creep test: machine platen 31 Figure
11、O.1 Arrangement for tensile test on rockbolt threaded end 33 Figure P.1 Sectional diagram of shear frame 34 Figure Q.1 General arrangement of lathe-based pull test apparatus 37 Figure Q.2 General arrangement of hydraulic pull test apparatus 38 Figure Q.3 Hydraulic biaxial pressure cell 39 Figure Q.4
12、 Rock core performance envelope 43 List of tables Table 1 Colour coding of rockbolt length 5 Table 2 Resin setting times at 27 C 10 Table Q.1 Standard consumables and criteria for rock core performance testing 42 Summary of pages This document comprises a front cover, an inside front cover, pages i
13、to iii, a blank page, pages 1 to 43, an inside back cover and a back cover. BSI 2007iii BS 7861-1:2007 Foreword Publishing information This part of BS 7861 is published by BSI and came into effect on 31 October 2007. It was prepared by Subcommittee MRE/1/1/1, Roof supports and strata reinforcements,
14、 under the authority of Technical Committee MRE/1, Mining mechanical equipment and machinery. A list of organizations represented on this committee can be obtained on request to its secretary. Supersession This part of BS 7861 supersedes BS 7861-1:1996, which is withdrawn. Assessed capability. Users
15、 of this British Standard are advised to consider the desirability of quality system assessment and registration against the appropriate standard in the BS EN ISO 9000 series by an accredited third-party certification body. Product certification/inspection/testing Users of this British Standard are
16、advised to consider the desirability of third-party certification/inspection/testing of product conformity with this British Standard. Appropriate conformity attestation arrangements are described in BS EN ISO/IEC 17025. Users seeking assistance in identifying appropriate conformity assessment bodie
17、s or schemes may ask BSI to forward their enquiries to the relevant association. Presentational conventions The provisions of this standard are presented in roman (i.e. upright) type. Its requirements are expressed in sentences in which the principal auxiliary verb is “shall”. Commentary, explanatio
18、n and general informative material is presented in smaller italic type, and does not constitute a normative element. Contractual and legal considerations This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compli
19、ance with a British Standard cannot confer immunity from legal obligations. In particular, attention is drawn to the following statutory regulations. The Health and Safety at Work etc. Act 1974 1 The Chemicals (Hazard Information and Packaging for Supply) Regulations 2002 2 The Control of Substances
20、 Hazardous to Health Regulations 1995 3 iv BSI 2007This page deliberately left blank BS 7861-1:2007 BSI 20071 BS 7861-1:2007 1 Scope This Part of BS 7861 specifies dimensional, material and performance requirements for rockbolting support system components used in coal mines. Components included are
21、 steel rockbolts, glass reinforced plastics (GRP) rockbolts, resins, nuts, conical seats and domed washer plates. This British Standard does not cover the assembly or installation of these components to form a rockbolting support system on site. 2 Normative references The following referenced docume
22、nts are indispensable for the application 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. BS 6319-1:1983, Testing of resin compositions for use in construction Part 1: Me
23、thod for preparation of test specimens BS 6319-2:1983, Testing of resin compositions for use in construction Part 2: Method for measurement of compressive strength BS EN 837-1, 1998, Pressure gauges Part 1: Bourdon tube pressure gauges Dimensions, metrology, requirements and testing BS EN 10002-1:20
24、01, Metallic materials Tensile testing Part 1: Method of test at ambient temperature BS EN 10045-1:1990, Charpy impact test on metallic materials Part 1: Test method (V- and U-notches) BS EN 13463-1, Non-electrical equipment for potentially explosive atmospheres Part 1: Basic method and requirements
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