【BS英国标准】BS EN 934-4-2001 Admixtures for concrete, mortar and grout — Admixtures for grout for prestressing tendons — Part 4 Definitions, requirements.

british standard bs en934-4:2001incorporatingamendment no. 1admixtures for concrete, mortar and grout admixtures for grout for prestressing tendons part 4: definitions, requirements, conformity, marking and labellingthe european standard en 934-4:2001, with the incorporation of amendment a1:2004, has the status of a british standardics 91.100.99 bs en 934-4:2001national forewordthis british standard, having been prepared under the direction of the sector policy and strategy committee for building and civil engineering, was published under the authority of the standards policy and strategy committee on19 september 2001this british standard is the official english language version ofen 934-4:2001, including amendment a1:2004. it supersedesbs en 934-4:2000 which is withdrawn.en 934-4:2001 is a candidate “harmonized” european standard and fully takes into account the requirements of the european commission mandate m128, products related to concrete, mortar and grout, given under the eu construction products directive (89/106/eec), and intended to lead to ce marking. the date of applicability of en 934-4:2001 as a “harmonized” european standard, i.e. the date after which this standard may be used for ce marking purposes, is subject to an announcement in the official journal of the european communities.en 934-4:2001 is the subject of transitional arrangements agreed under the european commission mandate. the member states have agreed a nominal transition period for the co-existence of en 934-4:2001 and their corresponding national standard(s). it is intended that this period will comprise a nominal nine month period during which any required changes to national regulations are to be made, followed by a further nominal twelve month period for the implementation of ce marking. as there are no corresponding national standards in the uk this transition period will only apply to the implementation of ce marking.additional informationattention is drawn to the fact that en 934-4:2001 includes an annex za. en 934-4:2001 also differs from en 934-4:2000 in that requirements for marking and labelling have been transferred to this standard fromen 934-6:2000.note also that in table 2 the required range of volume changes for test mixes of grout admixtures is dependent on whether the grout mixture isnon-expanding or expanding. it is shown in figure za.1 that this range ofvolume change be stated in the ce marking.the uk participation in its preparation was entrusted by technical committee b/517, concrete, to subcommittee b/517/3, admixtures, which has the responsibility to:aid enquirers to understand the 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 be obtained on request to its secretary.amd. no.datecomments1544924 november 2004revision to the title on the front cover anden title page, clause 2 and subclause 4.1amendments issued since publication bsi 24 november 2004isbn 0 580 38465 9bs en 934-4:2001attention is drawn to the requirements for corrosion behaviour in table 1 (item number 9) and table za.1. it states that until there is an accepted european standard, the national regulations in place of use apply. as the uk has no national regulations in respect of this characteristic, then no testing is required for products sold in the uk and it is acceptable to record “no performance determined” (npd), with regard to this characteristic, in the information accompanying the ce marking. however, if the product is to be placed on the market in eu or efta member states where there are national regulations for this characteristic, then testing is required in accordance with those regulations.cross-referencesthe british standards which implement international or european publications referred to in this document may be found in the bsi catalogue under the section entitled “international standards correspondence index”, or by using the “search” facility of the bsi electronic catalogue or of british standards online.this publication does not purport to include all the necessary provisions of a contract. users are responsible for its correct application.compliance with a british standard does not of itself confer immunity from legal obligations.summary of pagesthis document comprises a front cover, an inside front cover, pages i and ii, theen title page, pages 2 to 14, an inside back cover and a back cover.the bsi copyright date displayed in this document indicates when the document was last issued.iiiblankeuropean standard norme europenneeuropische normen 934-4july 2001+ a1october 2004ics 91.100.10supersedes en 934-4:2000english versionadmixtures for concrete, mortar and grout - admixtures for grout for prestressing tendons - part 4: definitions, requirements, conformity, marking and labelling(includes amendment a1:2004)adjuvants pour bton, mortier et coulis - adjuvants pour coulis pour cbles de prcontrainte - partie 4: dfinitions, exigences, conformit, marquage et tiquetage(inclut lamendement a1:2004)zusatzmittel fr beton, mrtel und einpressmrtel - zusatzmittel fr einpressmrtel fr spannglieder teil 4: definitionen, anforderungen, konformitt, kennzeichnung und beschriftung(enthlt nderung a1:2004)this european standard was approved by cen on 2 may 2001, and amendment a1 was approved by cen on 29 july 2004.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 obtained on application to the management centre 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 management centre has the same status as the official versions.cen members are the national standards bodies of austria, belgium, cyprus, czech republic, denmark, estonia, finland, france, germany, greece, hungary, iceland, ireland, italy, latvia, lithuania, luxembourg, malta, netherlands, norway, poland, portugal, slovakia, slovenia, spain, sweden, switzerland and united kingdom.european committee for standardizationc 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 stassart, 36 b-1050 brussels 2001 cenall rights of exploitation in any form and by any means reserved worldwide for cen national members.ref. no. en 934-4:2001 + a1:2004 een 934-4:2001 (e)contentspageforeword . 31scope.42normative references .43terms and definitions .44composition and preparation of test mix .54.1constituent materials .54.2water/cement ratio.54.3fluidity .54.4mixing .55requirements .55.1general .55.2release of dangerous substances .56sampling.77conformity control .78evaluation of conformity .89marking and labelling .89.1general.89.2designation of admixtures .89.3additional information .8annexa (informative) content and release of dangerous substances .9annexza (informative) - provisions for the ce-marking of admixtures for concrete under the euconstruction products directive . 10za.1 clauses of this european standard addressing the essential characteristicsof the eu construction products directive . 10za.2 - procedure for attestation of conformity of admixtures for concrete . 11za.3 - ce marking and labelling . 13table 1 - general requirements.6table 2 - requirements for test mix .table 3 - minimum frequency of test for factory production control for admixturesfor grout for prestressing tendons.77table za.1 - scope and relevant clauses of this standard . 10table za.2 - system of attestation of conformity . 11table za.3 - assignation of evaluation of conformity tasks . 1213forewordthis european standard has been prepared by technical committee cen/tc 104 concrete, 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 january 2002, and conflicting national standards shall be withdrawn at the latest by april 2003.this european standard supersedes en 934-4:2000.this european standard has been prepared under a mandate given to cen by the european commission and the european free trade association, and supports essential requirements of eu directive(s).for relationship with eu directive(s), see informative annex za, which is an integral part of this standard.this standard is a part of the series en 934 admixtures for concrete, mortar and grout which additionally comprises the following parts part 2: concrete admixtures - definitions, requirements, conformity, marking and labelling part 3: admixtures for masonry mortar - definitions, requirements, conformity, marking and labelling part 5: admixtures for sprayed concrete - definitions, requirements, conformity, marking and labelling part 6: sampling, conformity control and evaluation of conformitythis european standard is used with the standards of the series en 480 which comprises test methods for admixtures.the annexes a and za are informative.according to the cen/cenelec internal regulations, the national standards organizations of the following countries are bound to implement this european standard: austria, belgium, czech republic, denmark, finland, france, germany, greece, iceland, ireland, italy, luxembourg, netherlands, norway, portugal, spain, sweden, switzerland and the united kingdom.foreword to amendment a1this document (en 934-4:2001/a1:2004) has been prepared by technical committee cen/tc 104 “concrete and related products”, the secretariat of which is held by din.this amendment to the european standard en 934-4:2001 shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by april 2005, and conflicting national standards shall be withdrawn at the latest by april 2005.this document has been prepared under a mandate given to cen by the european commission and theeuropean free trade association, and supports essential requirements of eu directive(s).according to the cen/cenelec internal regulations, the national standards organizations of the following countries are bound to implement this european standard: austria, belgium, cyprus, czech republic, denmark, estonia, finland, france, germany, greece, hungary, iceland, ireland, italy, latvia, lithuania, luxembourg, malta, netherlands, norway, poland, portugal, slovakia, slovenia, spain, sweden, switzerland and the united kingdom.1scopethis european standard defines and specifies requirements and conformity criteria for admixtures for the use in grouts for prestressing tendons according to en 447. it covers admixtures for use in site1) mixed grout only. provisions for the use of grout admixtures are not part of this standard but are covered by en 447.2normative referencesthis european standard incorporates by dated or undated reference, provisions from other publications. these normative references are cited at the appropriate places in the text, and the publications are listed hereafter. for dated references, subsequent amendments to or revisions of any of these publications apply to this european standard only when incorporated in it by amendment or revision. for undated references the latest edition of the publication referred to applies (including amendments).en 196-2, methods of testing cement part 2: chemical analysis of cement.en 196-6, methods of testing cement determination of fineness.en 197-1, cement part 1: composition, specifications and conformity criteria for common cements.en 445, grout for prestressing tendons test methods.en 446, grout for prestressing tendons grouting procedures.en 447, grout for prestressing tendons specification for common grout.en 480-6, admixtures for concrete, mortar and grout test methods part 6: infrared analysis.en 480-8, admixtures for concrete, mortar and grout test methods part 8: determination of conventional dry material content.en 480-10, admixtures for concrete, mortar and grout test methods part 10: determination of water soluble chloride content.en 934-6:2001, admixtures for concrete, mortar and grout part 6: sampling, conformity control and evaluation of conformity.en 1008, mixing water for concrete specification for sampling, testing and assessing the suitability of water, including wash water from recycling installations in the concrete industry, as mixing water for concrete.iso 758, liquid chemical products for industrial use determination of density at 20 c.iso 1158, plastics vinyl chloride homopolymers and copolymers determination of chlorine.iso 4316, surface active agents determination of ph of aqueous solutions potentiometric method.3terms and definitionsfor the purposes of this standard, the following terms and definitions apply:3.1admixture for grouta material which improves the characteristics of grouts to