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Brook Wilkerson
1 EESTI STANDARD EVS-EN :2012 Bituminous mixtures - Test methods for hot mix asphalt - Part 46: Low temperature cracking and properties by uniaxial tension tests
2 EESTI STANDARDI EESSÕNA NATIONAL FOREWORD See Eesti standard EVS-EN :2012 sisaldab Euroopa standardi EN :2012 ingliskeelset teksti. This Estonian standard EVS-EN :2012 consists of the English text of the European standard EN :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 Bituminous mixtures - Test methods for hot mix asphalt - Part 46: Low temperature cracking and properties by uniaxial tension tests Mélanges bitumineux - Essais pour mélange hydrocarboné à chaud - Partie 46: Fissuration et propriétés à basse température par des essais de traction uniaxiale Asphalt - Prüfverfahren für Heißasphalt - Teil 46: Widerstand gegen Kälterisse und Tieftemperaturverhalten bei einachsigen Zugversuchen This European Standard was approved by CEN on 23 March 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 :2012: E
4 Contents Foreword Scope Normative references Terms and definitions Principle Apparatus Testing device for conducting UTST, TSRST, RT and TCT Testing device for conducting UCTST Calibration Testing device for conducting UTST, TSRST, relaxation test and tensile creep test Testing device for conducting UCTST Specimen preparation Number of samples Dimensions Preparation Bulk density Drying Storage Mounting Installation and conditioning Procedure Uniaxial tension stress test (UTST) Thermal stress restrained specimen test (TSRST) Relaxation test (RT) Tensile creep test (TCT) Uniaxial cyclic tensile stress test (UCTST) Evaluation Tension strength reserve Uniaxial cyclic tensile stress test (UCTST) Test report General Information on specimen Information on test method Information on the test and results Precision Bibliography Page 2
5 Foreword This document (EN :2012) has been prepared by Technical Committee CEN/TC 227 Road materials, 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. This document is one of a series of standards for bituminous mixtures which includes the following: EN , Bituminous mixtures Test methods for hot mix asphalt Part 1: Soluble binder content EN , Bituminous mixtures Test methods for hot mix asphalt Part 2: Determination of particle size distribution EN , Bituminous mixtures Test methods for hot mix asphalt Part 3: Binder recovery: Rotary evaporator EN , Bituminous mixtures Test methods for hot mix asphalt Part 4: Binder recovery: Fractionating column EN , Bituminous mixtures Test methods for hot mix asphalt Part 5: Determination of the maximum density EN , Bituminous mixtures Test methods for hot mix asphalt Part 6: Determination of bulk density of bituminous specimens EN , Bituminous mixtures Test methods for hot mix asphalt Part 7: Determination of bulk density of bituminous specimens by gamma rays EN , Bituminous mixtures Test methods for hot mix asphalt Part 8: Determination of void characteristics of bituminous specimens EN , Bituminous mixtures Test methods for hot mix asphalt Part 9: Determination of the reference density EN , Bituminous mixtures Test methods for hot mix asphalt Part 10: Compactibility EN , Bituminous mixtures Test methods for hot mix asphalt Part 11: Determination of the affinity between aggregates and binders EN , Bituminous mixtures Test methods for hot mix asphalt Part 12: Determination of the water sensitivity of specimen EN , Bituminous mixtures Test methods for hot mix asphalt Part 13: Temperature measurement EN , Bituminous mixtures Test methods for hot mix asphalt Part 14: Water content 3
6 EN , Bituminous mixtures Test methods for hot mix asphalt Part 15: Determination of the segregation sensitivity EN , Bituminous mixtures Test methods for hot mix asphalt Part 16: Abrasion by studded tyres EN , Bituminous mixtures Test methods for hot mix asphalt Part 17: Particle loss of porous asphalt specimen EN , Bituminous mixtures Test methods for hot mix asphalt Part 18: Binder drainage EN , Bituminous mixtures Test methods for hot mix asphalt Part 19: Permeability of specimen EN , Bituminous mixtures Test methods for hot mix asphalt Part 20: Indentation using cube or Marshall specimen EN , Bituminous mixtures Test methods for hot mix asphalt Part 21: Indentation using plate specimen EN , Bituminous mixtures Test methods for hot mix asphalt Part 22: Wheel tracking test EN , Bituminous mixtures Test methods for hot mix asphalt Part 23: Indirect tensile test EN , Bituminous mixtures Test methods for hot mix asphalt Part 24: Resistance to fatigue EN , Bituminous mixtures Test methods for hot mix asphalt Part 25: Cyclic compression test EN , Bituminous mixtures Test methods for hot mix asphalt Part 26: Stiffness EN , Bituminous mixtures Test methods for hot mix asphalt Part 27: Sampling EN , Bituminous mixtures Test methods for hot mix asphalt Part 28: Preparation of samples for determining binder content, water content and grading EN , Bituminous mixtures Test methods for hot mix asphalt Part 29: Determination of the dimensions of bituminous specimen EN , Bituminous mixtures Test methods for hot mix asphalt Part 30: Preparation of specimen by impact compactor EN , Bituminous mixtures Test methods for hot mix asphalt Part 31: Specimen preparation, gyratory compactor EN , Bituminous mixtures Test methods for hot mix asphalt Part 32: Laboratory compaction of bituminous mixtures by a vibratory compactor EN , Bituminous mixtures Test methods for hot mix asphalt Part 33: Specimen prepared by roller compactor EN , Bituminous mixtures Test methods for hot mix asphalt Part 34: Marshall test EN , Bituminous mixtures Test methods for hot mix asphalt Part 35: Laboratory mixing EN , Bituminous mixtures Test methods for hot mix asphalt Part 36: Method for the determination of the thickness of a bituminous pavement EN , Bituminous mixtures Test methods for hot mix asphalt Part 37: Hot sand test for the adhesivity of binder on precoated chippings for HRA 4
7 EN , Bituminous mixtures Test methods for hot mix asphalt Part 38: Common equipment and calibration EN , Bituminous mixtures Test methods for hot mix asphalt Part 39: Binder content by ignition EN , Bituminous mixtures Test methods for hot mix asphalt Part 40: In-situ drainability EN , Bituminous mixtures Test methods for hot mix asphalt Part 41: Resistance to de-icing fluids EN , Bituminous mixtures Test methods for hot mix asphalt Part 42: Amount of coarse foreign matters in reclaimed asphalt EN , Bituminous mixtures Test methods for hot mix asphalt Part 43: Resistance to fuel EN , Bituminous mixtures Test methods for hot mix asphalt Part 44: Crack propagation by semi-circular bending test EN , Bituminous mixtures Test methods for hot mix asphalt Part 45: Saturation Ageing Tensile Stiffness (SATS) conditioning test EN , Bituminous mixtures Test methods for hot mix asphalt Part 46: Low temperature cracking and properties by uniaxial tension tests EN , Bituminous mixtures Test methods for hot mix asphalt Part 47: Determination of the ash content of natural asphalts pren ), Bituminous mixtures Test methods for hot mix asphalt Part 48: Inter-layer bond strength pren , Bituminous mixtures Test methods for hot mix asphalt Part 49: Skid resistance of asphalt in the laboratory pren ), Bituminous mixtures Test methods for hot mix asphalt Part 50: Scuffing resistance of surface course asphalt 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. 1) In preparation. 5
8 1 Scope This European Standard specifies uniaxial tension tests for characterising the resistance of an asphalt mixture against low temperature cracking. The results of the uniaxial tension tests can be used to evaluate the following: tensile strength at a specified temperature, using the uniaxial tension stress test (UTST); minimum temperature that the asphalt can resist before failure, using the thermal stress restrained specimen test (TSRST); tensile strength reserve at a specified temperature (using a combination of TSRST and UTST); relaxation time, using the relaxation test (RT); creep curve to back calculate rheological parameters, using the tensile creep tests (TCT); fatigue resistance at low temperatures due to the combination of cryogenic and mechanical loads, using the uniaxial cyclic tension stress tests (UCTST). 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 :2012, Bituminous mixtures Test methods for hot mix asphalt Part 6: Determination of bulk density of bituminous specimens EN , Bituminous mixtures Test methods for hot mix asphalt Part 27: Sampling EN , Bituminous mixtures Test methods for hot mix asphalt Part 33: Specimen prepared by roller compactor 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 tensile strength β t maximum tensile stress measured in a tensile stress test 3.2 tensile failure strain ε failure tensile strain that is measured when the tensile strength has been reached 3.3 cryogenic stress σ cry (T) tension stress, induced by prohibited thermal shrinkage, at the temperature T 3.4 failure stress σ cry, failure cryogenic stress that causes a failure of the specimen in the thermal stress restrained specimen test (TSRST) 6