1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 1065:1999 The Europ
2、ean Standard EN 1065:1998 has the status of a British Standard ICS 91.220 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Adjustable telescopic steel props Product specifications, design and assessment by calculation and testsThis British Standard, having been prepared under t
3、he direction of the Sector Committee for Building and Civil Engineering, was published under the authority of the Standards Committee and comes into effect on 15 November 1999 BSI 11-1999 ISBN 0 580 32838 4 BS EN 1065:1999 Amendments issued since publication Amd. No. Date Comments National foreword
4、This British Standard is the English language version of EN 1065:1998. The UK participation in its preparation was entrusted by Technical Committee B/514, Access and support equipment, to Subcommittee B/514/28, Props, tubes and couplers, which has the responsibility to: aid enquirers to understand t
5、he text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee can
6、 be obtained on request to its secretary. This British Standard, together with BS 4074:1999 (in course preparation), will supersede BS 4074:1982, and partially supersede BS 5507-3:1982 which is currently under revision. The revised edition of BS 5507-3 will descibe methods of determining the charact
7、eristic resistance of adjustable props not conforming to BS EN 1065. BS 4074:1999 covers steel trench struts. This standard provides the user with a greatly enlarged choice of props. It is recommended, therefore, in the interests of maximizing site utilization, length compatibility with existing pro
8、ps, and as an aid to economic prop manufacture, that users should give preferential consideration to sizes 25, 30, 35, 40 and 50 in either B or C strength grades and to either F2 or F4 corrosion protection methods. Additionally, the use of loose forkheads is recommended. It is recommended that, if a
9、 pin has any reduction in its nominal cross section (such as holes for cables or chains), a means should be provided to ensure that this portion of the pin is always outside the collar nut major diameter. The principal changes from BS 4074:1982 and points of significance are as follows: a) Steel tre
10、nch struts (previously known as trench struts) are not covered. b) Advice on safe working loads is not included. It is envisaged that the next amendment to BS 5975 will contain some advice. c) Five different strength classes of props are included. Identification is now given by marking on each prop
11、the number of the standard, the name or trademark of the manufacturer, the year of manufacture, the classification, and the props compatibility with EN 74 couplers. The prop may also have the classification identified by profiling the endplates. When required (see annex E) the level of inspection an
12、d/or the sign of the independent certification system also have to be marked. d) Five methods of corrosion protection are given. e) Props are classified according to their fully extended lengths which range from 2,5 m to 5,5 m in 0,5 m intervals. Fully closed lengths of props are no longer specified
13、 but all props have at least 1,0 m of adjustment. f) Props having a fully closed height of less than 1,5 m are no longer included. g) A test to verify that the component parts of adjustable telescopic steel props do not become inadvertently disengaged in use has been added. h) There is a minimum lin
14、ear clearance of 100 mm between the inner and outer tubes intended to form an anti-hand trapping gap when the prop is in the fully closed position. i) The minimum permissible end plate bearing area is reduced. j) A maximum clearance between threads is now specified. k) There is a minimum material th
15、ickness for all prop components. l) The use of rimming steel is no longer permitted. m) Geometric designed props are no longer included. n) Verification of the nominal characteristic resistance of an individual prop design may also be by calculation. o) Information about independent prototype assess
16、ment is included in annex D. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facili
17、ty of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligati
18、ons. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 34, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.EUROPEAN STANDARD EN 1065 NORME EUROPENNE EUROP
19、ISCHE NORM September 1998 ICS Descriptors: building sites, scaffolding, props, steels, classifications, designation, corrosion prevention, adjustment, dimensions, mechanical strength, verification, computation, tests, marking English version Adjustable telescopic steel props Product specifications,
20、design and assessment by calculation and tests (WDLVWpOHVFRSLTXHVUpJODEOHVHQDFLHU 6SpFLILFDWLRQVGXSURGXLWFRQFHSWLRQHW pYDOXDWLRQSDUFDOFXOVHWHVVDLV %DXVWWHQDXV6WDKOPLW$XVLHKYRUULFKWXQJ 3URGXNWIHVWOHJXQJHQ%HPHVVXQJXQG1DFKZHLV GXUFK%HUHFKQXQJXQG9HUVXFKH This European Standard was approved by CEN on 10
21、June 1998. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be ob
22、tained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Se
23、cretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN
24、 European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart, 36 B-1050 Brussels 1998 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members Ref. No. EN 1065:1998 EPage 2 EN
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