【BS英国标准word原稿】BS EN 12504-2-2001 Testing concrete in structures. Non-destructive testing. Determination of rebound number.doc
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1、 ,如果你需要更多标准可以到 如果你购买的文档存在缺页、字迹模糊、乱码等情况,请大家通过论坛消息与我联系。Licensed Copy: Akin Koksal, Bechtel Ltd, 01 April 2003, Uncontrolled Copy, (c) BSILicensed Copy: Akin Koksal, Bechtel Ltd, 01 April 2003, Uncontrolled Copy, (c) BSIBRITISH STANDARD BS EN12504-2:2001Testing concrete in structures Part 2: Non-destru
2、ctive testing Determination of rebound numberThe European Standard EN 12504-2:2001 has the status of aBritish StandardICS 91.100.30NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 12504-2:2001National forewordThis British Standard is the official English language version o
3、fEN 12504-2:2001. It supersedes BS 1881-202:1986 which is withdrawn.The UK participation in its preparation was entrusted by Technical Committee B/517, Concrete, to Subcommittee B/517/1, Concrete production and testing, which has the responsibility to:aid enquirers to understand the text;present to
4、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 be obtained on reques
5、t to its secretary.Cross-referencesThe 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” facility of the B
6、SI 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 obligations.Licensed
7、Copy: Akin Koksal, Bechtel Ltd, 01 April 2003, Uncontrolled Copy, (c) BSIThis British Standard, having been prepared under the direction of the Sector Committee for Building and Civil Engineering, was published under the authority of the Standards Committee and comes into effect on15 August 2001 BSI
8、 07-2001ISBN 0 580 36911 0Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page,pages 2 to 5 and a back cover.The BSI copyright date displayed in this document indicates when the document was last issued.Amd. No.DateCommentsAmendments issued since publicatio
9、nEUROPEAN STANDARD NORME EUROPENNEEUROPISCHE NORMEN 12504-2June 2001ICS 91.100.30English versionTesting concrete in structures - Part 2: Non-destructive testing - Determination of rebound numberEssais pour bton dans les structures - Partie 2: Essais non destructifs - Dtermination de lindice de rebon
10、dissementPrfung von Beton in Bauwerken - Teil 2: ZerstrungsfreiePrfung - Bestimmung der RckprallzahlThis European Standard was approved by CEN on 17 April 2000.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard t
11、he status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German).
12、 A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland,
13、France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATION C O M I T EUR O P EN DE NOR M A L I S A TI ON EUR O P I S C H ES KOM I TEE F R NOR M UNG Management Centre: rue de Stassar
14、t, 36 B-1050 BrusselsLicensed Copy: Akin Koksal, Bechtel Ltd, 01 April 2003, Uncontrolled Copy, (c) BSI 2001 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members.Ref. No. EN 12504-2:2001 EPage 5EN 12504-2:2001ContentsPageLicensed Copy: Akin Koksal, B
15、echtel Ltd, 01 April 2003, Uncontrolled Copy, (c) BSIForeword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
16、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Normative references . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Principle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
17、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Apparatus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Test area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
18、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 Test result . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
19、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 Test report . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 Precision . . . . . . . . . . . . . . . . . . . . . . . . .
20、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Licensed Copy: Akin Koksal, Bechtel Ltd, 01 April 2003, Uncontrolled Copy, (c) BSIForewordThis European Standard has been prepared by Technical Committee CEN/TC 104 Concrete (performance, production, placing
21、 and compliance criteria), the secretariat of which is held by DIN.This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by December 2001, and conflicting national standards shall be withdrawn at the lates
22、t by December 2003.This standard is one of a series of test methods for concrete.It is based on the International Standard ISO (DIS) 8045 Concrete, hardened -Determination of rebound number using the rebound hammer, and reference has been made to ASTM C805 Rebound number of hardened concrete.The sta
23、ndard has been framed around the use of a Type N, spring driven steel hammer, originally designed bySchmidt.A draft for this standard was published in 1996 for CEN enquiry as prEN 12398. It was one of a series of individually numbered test methods for fresh or hardened concrete. For convenience it h
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