Grout for prestressing tendons - Test methods

This European Standard describes the test methods for grout specified in EN 447. Testing shall be performed in accordance with the test methods given in this standard (reference test methods). The test methods are applicable to grout for all types of structures including bridges and buildings.

Einpressmörtel für Spannglieder - Prüfverfahren

Die vorliegende Europäische Norm enthält Prüfverfahren für Einpressmörtel nach prEN 447. Die Prüfungen sind mit den in dieser Norm festgelegten Prüfverfahren (Referenzprüfverfahren) durchzuführen. Die Prüfverfahren gelten für Einpressmörtel für alle Arten von Bauwerken einschließlich Brücken und

Coulis pour câble de précontrainte - Méthodes d'essai

La présente Norme européenne décrit les méthodes d'essai relatives aux coulis spécifiés dans l'EN 447. Les essais doivent être effectués conformément aux méthodes d'essai définies dans la présente norme (méthodes d'essai de référence). Les méthodes d'essai sont applicables aux coulis destinés à tous les types de structures, y compris les ponts et les bâtiments.

Injekcijska masa za prednapete kable - Preskusne metode

General Information

Status
Published
Publication Date
02-Oct-2007
Current Stage
9093 - Decision to confirm - Review Enquiry
Completion Date
28-Jun-2019

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EN 445:2008
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Grout for prestressing tendons - Test methodsInjekcijska masa za prednapete kable - Preskusne metodeCoulis pour câble de précontrainte - Méthode d'essaisEinpressmörtel für Spannglieder - PrüfverfahrenTa slovenski standard je istoveten z:EN 445:2007SIST EN 445:2008en,fr,de91.100.30ICS:SIST EN 445:19981DGRPHãþDSLOVENSKI

STANDARDSIST EN 445:200801-marec-2008

EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 445October 2007ICS 91.100.30Supersedes EN 445:1996

English VersionGrout for prestressing tendons - Test methodsCoulis pour câble de précontrainte - Méthode d'essaisEinpressmörtel für Spannglieder - PrüfverfahrenThis European Standard was approved by CEN on 21 June 2007.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 application to the CEN 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 translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36

B-1050 Brussels© 2007 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 445:2007: E

EN 445:2007 (E) 2 Contents Page Foreword..............................................................................................................................................................3 Introduction.........................................................................................................................................................4 1 Scope......................................................................................................................................................5 2 Normative references............................................................................................................................5 3 Terms and definitions...........................................................................................................................5 4 The testing of grout...............................................................................................................................5 4.1 General....................................................................................................................................................5 4.1.1 Personnel................................................................................................................................................5 4.1.2 Test conditions......................................................................................................................................5 4.1.3 Test reports............................................................................................................................................5 4.2 Sieve test................................................................................................................................................6 4.2.1 Principle of test......................................................................................................................................6 4.2.2 Apparatus...............................................................................................................................................6 4.2.3 Procedure...............................................................................................................................................6 4.2.4 Reporting................................................................................................................................................6 4.3 Fluidity test.............................................................................................................................................6 4.3.1 Cone method..........................................................................................................................................6 4.3.2 Grout spread method............................................................................................................................8 4.4 Inclined tube test...................................................................................................................................9 4.4.1 Principle of test......................................................................................................................................9 4.4.2 Test equipment and set-up.................................................................................................................10 4.4.3 Test procedure.....................................................................................................................................10 4.4.4 Reporting of results.............................................................................................................................11 4.5 Wick-induced test................................................................................................................................12 4.5.1 Principle of test....................................................................................................................................12 4.5.2 Equipment............................................................................................................................................12 4.5.3 Procedure.............................................................................................................................................12 4.5.4 Reporting of results.............................................................................................................................12 4.6 Compressive strength test.................................................................................................................13 4.6.1 Principle of the test..............................................................................................................................13 4.6.2 Apparatus.............................................................................................................................................13 4.6.3 Test procedure.....................................................................................................................................14 4.7 Density test...........................................................................................................................................14 4.7.1 Principle of test....................................................................................................................................14 4.7.2 Apparatus.............................................................................................................................................14 4.7.3 Reporting of results.............................................................................................................................14 Bibliography......................................................................................................................................................15

EN 445:2007 (E) 3 Foreword This European Standard (EN 445:2007) has been prepared by Technical 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 April 2008, and conflicting national standards shall be withdrawn at the latest by April 2008. This document supersedes EN 445:1996. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

EN 445:2007 (E) 4 Introduction In post-tensioned prestressed concrete construction, the grouting of tendons is an important operation. The intention of this European Standard is to provide a specification for grouting, compliance with which will satisfy the requirements in prEN 13670. The testing regimes anticipated by this European Standard include three levels: (1) Initial type and audit testing in accordance with EN 447; (2) Suitability testing for confirmation of the selected grout for a specific project in accordance with EN 446; (3) Inspection during the production of grout on a specific project in accordance with EN 446. The test methods for each of the regimes are given in this standard. Some tests given herein are alternatives and it will be necessary to relate the chosen test method to the specified requirements. The tests are reference tests for checking suitability of grout for use with any type of tensile steel element.

System of CEN and EOTA documents as basis for design, execution and materials selection for protective measures of prestressing systems (only main modules). EN 1992 Eurocode 2:Design of concrete structures prEN 13670 Execution of concrete structures ETAG 013 Post-tensioning kits for prestressing

of structuresEN 446 Grout for prestressing tendons Grouting procedures EN 447 Grout for prestressing tendons Basic requirements EN 445 Grout for prestressing tendons Test methods CEN Workshop Agreement CWA 14646 Requirements for the installation of post-tensioning kits for prestressing of structures and qualification of specialist company and its personnel.

EN 445:2007 (E) 5 1 Scope This European Standard describes the test methods for grout specified in EN 447. Testing shall be performed in accordance with the test methods given in this standard (reference test methods). The test methods are applicable to grout for all types of structures including bridges and buildings. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 196-1, Methods of testing cement – Determination of strength EN 447, Grout for prestressing tendons – Basic Requirements

3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1

grout homogeneous mixture of cement and water, it may contain admixtures and additions 4 The testing of grout 4.1 General

4.1.1 Personnel The grouts shall be tested by competent personnel experienced in the subject.

4.1.2 Test conditions Testing shall be carried out at specified temperatures. The grout for the tests shall be made from materials specified in EN 447 and mixed in accordance with EN 447. NOTE EN 446 requires suitability testing to be carried out using the same type of mixing equipment as is used for the actual site operations, hence it is preferable to also use the same type of equipment for all testing. 4.1.3 Test reports All test reports shall include the following information as a minimum: a) reference to this European Standard; b) name and address of the testing laboratory; c) identification number of the test report; d) name and address of the organisation or person who ordered the test;

EN 445:2007 (E) 6 e) name and address of the manufacturer or supplier of the product(s); f) name or other identification mark of the product; g) date of fabrication, and if relevant, supply of the product; h) date of manufacture of test specimens; i) date of test; j) temperature of the fresh grout and ambient temperature; k) batching and mixing procedures used; l) specification of the grout mixer used; m) identification of test equipment used, including where appropriate, calibration details; n) individual results for the required test; o) any inaccuracies or uncertainty of test results; p) date and signature of the person responsible for the tests. 4.2 Sieve test 4.2.1 Principle of test The test consists of pouring a quantity of grout through a sieve to check for the absence of lumps on the sieve 4.2.2 Apparatus A 150 mm diameter sieve with an aperture ≤ 2 mm. 4.2.3 Procedure Pour a minimum of 1 l of freshly mixed grout through the sieve. NOTE This may

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