EN 14488-1-2005 en Testing sprayed concrete - Sampling fresh and hardened concrete《检测喷射混凝土 新浇混凝土和硬化混凝土的取样》.pdf
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1、BRITISH STANDARDBS EN 14488-1:2005Testing sprayed concrete Part 1: Sampling fresh and hardened concreteThe European Standard EN 14488-1:2005 has the status of a British StandardICS 91.100.30g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g
2、51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 14488-1:2005This British Standard was published under the authority of the Standards Policy and Strategy Committee on 5 December 2005 BSI 5 December 2005ISBN 0 580 46499 7National forewordThis British Sta
3、ndard is the official English language version of EN 14488-1:2005.The UK participation in its preparation was entrusted by Technical Committee B/517, Concrete, to Subcommittee B/517/10, Sprayed concrete, which has the responsibility to:A list of organizations represented on this subcommittee can be
4、obtained on request to its secretary.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” facilit
5、y 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. ai
6、d enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK.Summary of pagesThis doc
7、ument comprises a front cover, an inside front cover, the EN title page, pages 2 to 7 and a back cover.The BSI copyright notice displayed in this document indicates when the document was last issued.Amendments issued since publicationAmd. No. Date CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE N
8、ORMEN 14488-1June 2005ICS 91.100.30English versionTesting sprayed concrete - Sampling fresh and hardenedconcreteEssais pour bton projet - chantillonnage de bton fraiset de bton durciPrfung von Spritzbeton - Probenahme von Frisch- undFestbetonThis European Standard was approved by CEN on 17 April 200
9、5.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on a
10、pplication 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 translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has
11、 the same status as the officialversions.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, Slovak
12、ia,Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2005 CEN All rights of exploitation in any form and by any means reservedworldwide for C
13、EN national Members.Ref. No. EN 14488-1:2005: EEN 14488-1:2005 (E) 2 Contents page 1 Scope .4 2 Normative references .4 3 Principle.4 4 Apparatus 4 5 Procedures 4 6 Identification of sample 6 Bibliography.7 EN 14488-1:2005 (E) 3 Foreword This document (EN 14488-1:2005) has been prepared by Technical
14、 Committee CEN/TC 104 “Concrete and related products”, 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 2005, and conflicting national standards sh
15、all be withdrawn at the latest by December 2007. This European Standard is part of a series concerned with testing sprayed concrete. This series EN 14488 Testing sprayed concrete includes the following parts: Part 1: Sampling fresh and hardened concrete Part 2: Compressive strength of young sprayed
16、concrete Part 3: Flexural strengths (first peak, ultimate and residual) of fibre reinforced beam specimens Part 4: Bond strength of cores by direct tension Part 5: Determination of energy absorption capacity of fibre reinforced slab specimens Part 6: Thickness of concrete on a substrate Part 7: Fibr
17、e content of fibre reinforced concrete This part does not supersede any other European Standard. 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,
18、 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. EN 14488-1:2005 (E) 4 1 Scope This European Standard specifies a meth
19、od for obtaining samples of fresh or hardened (i.e. before or after set) sprayed concrete, depending on the property to be measured and its associated test method. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references,
20、only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 12350-1, Testing fresh concrete Part 1: Sampling EN 12504-1, Testing concrete in structures - Part 1: Cored specimens - Testing, examining and testing in compr
21、ession 3 Principle A sample of fresh or hardened sprayed concrete is extracted from either an in situ element or a test panel. 4 Apparatus 4.1 Scoop, or similar sampling device, made from a non-absorbent material not readily attacked by cement paste, suitable for taking increments of concrete. 4.2 T
22、rowel, or similar cutting device, made from a non-absorbent material not readily attacked by cement paste, suitable for cutting a concrete sample from fresh, in situ sprayed concrete. 4.3 Moulds, of steel or other non-water-absorbing rigid material shall be used (a minimum of 4 mm steel sheet or 18
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