1、National Standard of Canada CAN/CSA-M430-90 Roof and Rock Bolts, and Accessories Prepared by Canadian Standards Association Approved by Standards Council of Canada lSSN 031 7-5669 Published in May 1990 by Canadian Standards Association I 78 Rexdate Boulevard, Rexdate (Toronto), Ontario, Canada M9 W
2、7/33 The Canadian Standards Association, which operates under the name CSA International (CSA), under whose auspices this National Standard has been produced, was chattered in 191 9 and accredited by the Standards Council of Canada to the National Standards system in 1973. It is a not-for-profit, no
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17、ral Instruction No. 1CAN/CSA-M430-90May 1990Title: Roof and Rock Bolts, and AccessoriesPagination: 38 pages, each dated May 1990To register for e-mail notification about any updates to this publicationgo to www.shopcsa.caclick on E-mail Services under MY ACCOUNTclick on CSA Standards Update ServiceT
18、he List ID that you will need to register for updates to this publication is 2002720.If you require assistance, please e-mail techsupportcsa.ca or call 416-747-2233.Visit CSAs policy on privacy at www.csagroup.org/legal to find out how we protect your personal information.Technical Editor: J.L. Dixo
19、n Managing Editors Bernard Kelly 0 Canadian Standards Association - 1990 All rights reserved. No part of this publication may be reproduced in any form, in an electronic retrieval system ur otherwise, without the prior permission of the publisher. Contents Technical Committee on Rock Bolts 4 Preface
20、 6 Foreword 7 1. 2. 3. 4. 5. 6. 7. 8. 9. Scope 9 Reference Publications 9 Definitions 10 Ordering Information 12 Manufacturing Processes Chemical Composition 15 Mechanical Properties 15 13 Dimensions, Mass, and Permissible Variations 17 Test Methods 19 10. Quality Assurance and Inspection 11, Certif
21、ication 24 23 12. Product Marking 24 13. On-Site Testing to Determine Effectiveness of Roof Support Devices 25 Tables 26 Figures 33 Appendix A-Testing, Rejection, and Appeal 38 CAN/CSA-M430-90 - May 1990 - Page 3 Technical Committee on Rock Bolts Ontario Ministry of Labour, Sudbury D, Ames L,A. Beau
22、champ Mines Accident Prevention Association of Ontario, North Bay Rio Algoma Limited, Elliot Lake, Ontario Pa Bedford Stewart Mining Products, Noranda, Quebec M, Bradly CANMET/Min. Research Laboratory, Ottawa, Ontario R. Clark S.R. Flewelling Falconbridge Limited, Sudbury, Ontario Brunswick Mining (
23、bf provide an explanation of circumstances surrounding the actual field- condition; and (c) be phrased where possible to permit a specific rryesrr or norr answer. Interpretations are published in CSA Information Update. For subscription details and a free sample copy, write to CSA Sales Promotions o
24、r telephone (416) 747-4116. CAN/CSA-M430-90 - May 1990 - Page 6 Foreword Certification organizations, as accredited by the Standards Council of Canada, have their own criteria and procedures for certification services. The following paragraphs define CSA Certification policies. The Canadian Standard
25、s Association provides certification services for manufacturers who, under license from CSA, wish to use the appropriate registered CSA Marks on certain products of their manufacture to indicate conformity with CSA Standards. CSA Certification for a number of products is provided in the interest of
26、maintaining agreed-upon standards of quality, performance, interchangeability and/or safety, as appropriate. Where applicable, certification may form the basis for acceptance by inspection authorities responsible for enforcement of regulations. Where feasible, programs will be developed for addition
27、al products for which certification is desired by producers, consumers or other interests. In performing its functions in accordance with its objectives, CSA does not assume or undertake to discharge any responsibility of the manufacturer or any other party. The opinions and findings of the Associat
28、ion represent its professional judgement given with due consideration to the necessary limitations of practical operation and state of the art at the time the Standard is processed. exhibit a minor difference or a new feature may be deemed to meet the Standard providing the feature or difference is
29、found acceptable utilizing appropriate CSA Certification Division Operating Procedures. Products which comply with this Standard shall not be certified if they are found to have additional features which are inconsistent with the intent of this Standard. Products shall not be certifiable if they are
30、 discovered to contravene applicable Federal laws or regulations. Testing techniques, test procedures and instrumentation frequently must be prescribed by the CSA Certification Division in addition to the technical requirements contained in Standards of CSA. In addition to markings specified in the
31、Standard the CSA Certification and Testing Division may require special cautions, markings and instructions that are not specified by the Standard. Some tests required by CSA Standards may be inherently hazardous. The Association neither assumes nor accepts any responsibility for any injury or damag
32、e that may occur during or as the result of tests, wherever performed, whether performed in whole or in part by the manufacturer or the Association, and whether or not any equipment, facility or personnel for or in connection with the test is furnished by the manufacturer ox the Association. Manufac
33、turers should note that, in the event of the failure of the CSA Certification and Testing Division to resolve an issue arising from the interpretation of requirements, there is an appeal procedure: the complainant should submit the matter, in writing, to the Secretary of the Canadian Standards Assoc
34、iation. If this Standard is to be used in obtaining CSA Certification please remember, when making application for certification, to request all current Amendments, Bulletins, Notices and Technical Products in substantial accord with this Standard but which CAN/CSA-M430-90 - May 1990 - Page 7 Inform
35、ation Letters that may be applicable and for which there may be a nominal charge. For such information or for further information concerning details about CSA Certification please address your inquiry to the Applications and Records Section, Canadian Standards Association, 178 Rexdale Boulevard, Rex
36、dale (Toronto), Ontario M9W 1R3. CAN/CSA-M430-90 - May 1990 - Page 8 CAN/CSA-M430-90 Roof and Rock Bolts, and Accessories 1. Scope 1.1 This Standard covers the chemical, mechanical, ar,d dimensional requirements for roof and rock bolts and accessories. Addressed in this Standard are double-end threa
37、ded, headed, and slotted steel bars: fully grouted bolts and threaded bars: mechanical anchorage devices used for point anchorage applications; roof truss systems; partially grouted deformed bolts; and other frictional anchorage devices. All of these products represent various designs used for groun
38、d support systems. 1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only 2. Reference Publications 2.1 This Standard refers to the following publications and where such reference is made, it shall be to the edition list
39、ed below. ANSI Standards B1.1, Unified Screw Threads; B1.2, Gages and Gaging for Unified Screw Threads; B18.2.2, Square and Hex Nuts. ASTM Standards A29/A 29M-88, Specification for Steel Bars, Carbon and Alloy, Hot-Wrought and Col d -Finished General Requiremen t s for; A36/A 36M-88, Specification f
40、or Structural Steel; A47-84 , Specification for Ferritic Malleable Iron Castings; A194/A 194M-88, Specification fur Carbon and Alloy Steel Nuts for Bolts for High- Pressure and High-Temperature Service; CAN/CSA-M430-90 - May 1990 - Page 9 A220-88, Specification for Pearlitic Malleable Iron Castings;
41、 A370-88 I Test Methods and Definitions for Mechanical Testing of Steel Products; A536-84a, Specification for Ductile Iron Castings; AS63-88ar Specification for Carbon and Alloy Steel Nuts; A568-88, Specification for General Requirements for Steel, Carbon, and High- Strength, Low-Alloy Hot-Rolled Sh
42、eet and Cold-Rolled Sheet; A615-87a, Specification for Deformed and Plain Billet-Steel Bars for Concrete Reinforcement; A751-88a, Methods, Practices, and Definitions for Chemical Analysis of Steel Products ; F436-86, Specification for Hardened Steel Washers; F606-86, Method for Conducting Tests ta D
43、etermine the Mechanical Properties of Externally and Internally Threaded Fasteners, Washers, and Rivets. 3, Definitions 3.1 The following definitions apply in this Standard. Bearing plates (plate washers, mine roof plates)-plates that serve to distribute the load from the exposed end of the bolt or
44、threaded bar to the rock face or intermediate member. Bendable bolts-bolts furnished with an altered section at some location, to be specified by the customer, at which the bar will bend Note: Bending is necessary to permit installation of bars longer than the mine opening height. by hot or cold for
45、ging, or by shearing, sawing, trimming, machining, grinding, or a combination of these processes. This altered section may be produced Bevelled washers-washers whose faces are at an angle permitting a headed bolt or threaded bar to be installed at a slight angle to CAN/CSA-M430-90 - May 1990 - Page
46、10 the rock face and yet maintain the face of the bolt head perpendicular to the bolt axis. Chemical anchors-chemical materials that provide anchorage between the bolt or bar and the drilled hole. Expansion shells-anchorage devices that expand to grip the sides of a drilled hole mechanically and tra
47、nsfer load from the location of the anchor to the bar or bolt. Extensions-threaded bars used to extend the length of threaded or threaded slotted bars. Frictional anchorage devices-roof support devices that are designed so that the holding force acts over the full contact length. Fully grouted bolts
48、 and threaded bars-deformed bars or plain bars used with full-length grouting and having special deformations or other design features to provide interlocking between the steel and the grout. Hardened washers-washers that have been hardened by heat treatment to provide consistency to the torque tens
49、ion relation necessary to control installation tension of bolts and threaded bars. Header plates-large rectangular bearing plates, usually 6 in (152 m) wide by 16 to 18 in (406.4 to 457.2 mm) long, or any other shape with an equivalent area, used in substitution for wooden header blocks for wider distribution of the bolt load than is possible with standard bearing plates. Rollers, cams-moving devices that, when used with internally threaded cylinders containing external tapered slots, provide expansion to grip the sides of a drilled hole mechanically and transfer load fro
