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1 EESTI STANDARD EVS-EN 16031:2012 Adjustable telescopic aluminium props - Product specifications, design and assessment by calculation and tests
2 EESTI STANDARDI EESSÕNA NATIONAL FOREWORD See Eesti standard EVS-EN 16031:2012 sisaldab Euroopa standardi EN 16031:2012 ingliskeelset teksti. This Estonian standard EVS-EN 16031:2012 consists of the English text of the European standard EN 16031:2012. Standard on jõustunud sellekohase teate avaldamisega EVS Teatajas. Euroopa standardimisorganisatsioonid on teinud Euroopa standardi rahvuslikele liikmetele kättesaadavaks Standard on kättesaadav Eesti Standardikeskusest. This standard has been endorsed with a notification published in the official bulletin of the Estonian Centre for Standardisation. Date of Availability of the European standard is The standard is available from the Estonian Centre for Standardisation. Tagasisidet standardi sisu kohta on võimalik edastada, kasutades EVS-i veebilehel asuvat tagasiside vormi või saates e-kirja meiliaadressile ICS Standardite reprodutseerimise ja levitamise õigus kuulub Eesti Standardikeskusele Andmete paljundamine, taastekitamine, kopeerimine, salvestamine elektroonsesse süsteemi või edastamine ükskõik millises vormis või millisel teel ilma Eesti Standardikeskuse kirjaliku loata on keelatud. Kui Teil on küsimusi standardite autorikaitse kohta, võtke palun ühendust Eesti Standardikeskusega: Aru 10, Tallinn, Eesti; telefon ; e-post The right to reproduce and distribute standards belongs to the Estonian Centre for Standardisation No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, without a written permission from the Estonian Centre for Standardisation. If you have any questions about copyright, please contact Estonian Centre for Standardisation: Aru 10, Tallinn, Estonia; phone ;
3 EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM EN May 2012 ICS English Version Adjustable telescopic aluminium props - Product specifications, design and assessment by calculation and tests Etais télescopiques réglables en aluminium - Spécifications du produit, conception et évaluation par calculs et essais Baustützen aus Aluminium mit Ausziehvorrichtung - Produktfestlegungen, Bemessung und Nachweis durch Berechnung und Versuche This European Standard was approved by CEN on 28 April 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 CEN-CENELEC 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 CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, 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, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 16031:2012: E
4 Contents Foreword... 4 Introduction Scope Normative references Terms and definitions Symbols Classification Designations Materials Requirements Tubes Welding Length adjustment device Permanent prevention against unintentional disengagement Anti hand trap Overlapping length Endplates Verification General Calculation of prop strength General Imperfections Behaviours of inner and outer tube Boundary conditions Verification of prop strength Verification of the strength of length adjustment device Verification of the prevention against unintentional disengagement Confirmation of the calculation results by testing Tests General Detail tests Compression tests on unthreaded tubes Compression tests on threaded tube Bending tests on threaded tube Tests for the limit eccentricities of prop ends Compression tests on length adjustment device Test of the prevention against unintentional disengagement Purpose of test Test arrangement Evaluation of test results Confirmation test for the prop strength Material properties Global test Documentation of test results Page 2
5 Page 12 Marking Assessment User manual Annex A (informative) Ongoing production control Bibliography
6 Foreword This document (EN 16031:2012) has been prepared by Technical Committee CEN/TC 053 Temporary works equipment, 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 November 2012, and conflicting national standards shall be withdrawn at the latest by November Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights. 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, Croatia, 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, Turkey and the United Kingdom. 4
7 Introduction This European Standard deals with the more common types of adjustable telescopic aluminium props in current use. It is not intended to prevent development of other types of props. For example, props may have hinged ends or other length adjustment devices or be made of other materials. Whilst such props cannot comply with this European Standard, it is nevertheless recommended that the principals of this European Standard be considered in the design and assessment of such props. This European Standard is a product standard primarily for use in the field of falsework and formwork standardized in EN The specified values for load bearing capacity listed in this European Standard are figures for classification. For site use, γ F and γ M can be found in EN
8 1 Scope This European Standard specifies materials, design requirements and designation together with assessment methods using both calculations and testing for adjustable telescopic aluminium props which are intended for use on construction sites. It outlines eleven classes of nominal specified values for strengths for adjustable telescopic aluminium props, each having a series of maximum extended lengths. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 74-1, Couplers, spigot pins and baseplates for use in falsework and scaffolds Part 1: Couplers for tubes Requirements and test procedures EN 74-2, Couplers, spigot pins and baseplates for use in falsework and scaffolds Part 2: Special couplers Requirements and test procedures EN , Eurocode 9: Design of aluminium structures Part 1-1: General structural rules EN 1065:1998, Adjustable telescopic steel props Product specifications, design and assessment by calculation and tests EN :2008, Execution of steel structures and aluminium structures Part 3: Technical requirements for aluminium structures EN 10204:2004, Metallic materials Types of inspection documents EN , Temporary works equipment Part 1: Scaffolds Performance requirements and general design EN :2004, Temporary works equipment Part 2: Information on materials EN :2002, Temporary works equipment Part 3: Load testing EN 12812, Falsework Performance requirements and general design 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 adjustable telescopic aluminium prop compression member consisting of two tubes circular or profiled which are telescopically displaceable within each other with a length adjustment device with threaded inner tube (see Figure 1) or with a pin inserted into holes in the inner tube and a mean of fine adjustment using a threaded collar (see Figure 2) Note 1 to entry: Such props are normally used as a temporary vertical support in construction works. 3.2 endplate plate which is fixed at right angles to one end of inner and outer tube 6