BS-EN-12697-24-2004.pdf
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1、BRITISH STANDARD BS EN 12697-24:2004 Incorporating amendment no. 1 Bituminous mixtures Test methods for hot mix asphalt Part 24: Resistance to fatigue The European Standard EN 12697-24:2004, incorporating amendment A1:2007, has the status of a British Standard ICS 93.080.20 ? Licensed Copy: London S
2、outh Bank University, London South Bank University, Sat Aug 18 09:53:36 GMT+00:00 2007, Uncontrolled Copy, (c) BSI BS EN 12697-24:2004 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 6 August 2004 BSI 2007 ISBN 978 0 580 59828 9 National fore
3、word This British Standard is the UK implementation of EN 12697-24:2004, incorporating amendment A1:2007. The UK participation in its preparation was entrusted by Technical Committee B/510, Road materials, to Subcommittee B/510/1, Coated macadam and hot asphalt. A list of organizations represented o
4、n this subcommittee can be obtained on request to its secretary. 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 cannot confer immunity from legal obligations. Amendments is
5、sued since publication Amd. No. DateComments 1728531 August 2007Implementation of CEN amendment A1:2007 Licensed Copy: London South Bank University, London South Bank University, Sat Aug 18 09:53:36 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12697
6、-24:2004+A1 July 2007 ICS 93.080.20 Supersedes EN 12697-24:2004 English Version Bituminous mixtures - Test methods for hot mix asphalt - Part 24: Resistance to fatigue Mlanges bitumineux - Mthodes dessai pour mlange hydrocarbon chaud - Partie 24: Rsistance la fatigue Asphalt - Prfverfahren fr Heiasp
7、halt - Teil 24: Bestndigkeit gegen Ermdung This European Standard was approved by CEN on 2 March 2004 and includes Amendment 1 approved by CEN on 16 May 2007. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard th
8、e 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 Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, Germ
9、an). 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 Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech R
10、epublic, 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 STANDARDIZATION COMIT EUROPEN
11、 DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2007 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12697-24:2004+A1:2007: E Licensed Copy: London South Bank University, Lond
12、on South Bank University, Sat Aug 18 09:53:36 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 12697-24:2004+A1:2007 (E) 2 Contents page Foreword5 1 Scope 8 2 Normative references8 3 Terms, definitions, symbols and abbreviations.8 3.1 General8 3.2 Two-point bending test on trapezoidal specimens9 3.3 Tw
13、o-point bending test on prismatic shaped specimens .10 3.4 Three-point bending test on prismatic shaped specimens.13 3.5 Four-point bending test on prismatic shaped specimens 14 3.6 Indirect tensile test on cylindrical shaped specimens 19 3.6.1 Symbols19 4 Failure .20 5 Calculations20 6 Summary of t
14、he procedures.20 6.1 Two-point bending test on trapezoidal specimens20 6.2 Two-point bending test on prismatic shaped specimens .20 6.3 Three-point bending test on prismatic shaped specimens.20 6.4 Four-point bending test on prismatic shaped specimens 20 6.5 Indirect tensile test on cylindrical shap
15、ed specimens 21 7 Test report 21 Annex A (normative) Two-point bending test on trapezoidal shaped specimens 22 A.1 Principle22 A.1.1 General22 A.1.2 Element test22 A.1.3 Fatigue line.23 A.2 Equipment 23 A.2.1 Test machine23 A.2.2 Thermostatic chamber 23 A.2.3 Measuring equipment24 A.3 Specimen prepa
16、ration.24 A.3.1 Sawing and storing24 A.3.2 Characteristics of the specimens 25 A.3.3 Embedding Check25 A.3.4 Stabilisation of the specimens.27 A.3.5 Gluing the ends27 A.4 Procedure .28 A.4.1 Preparing the test equipment.28 A.4.2 Carrying out the fatigue test.28 A.4.3 Choice of the strain .29 A.4.4 N
17、umber of element tests.29 A.5 Calculation and expression of results.29 A.6 Test report 31 A.7 Precision.31 Annex B (normative) Two-point bending test on prismatic shaped specimens .32 B.1 Principle32 Licensed Copy: London South Bank University, London South Bank University, Sat Aug 18 09:53:36 GMT+0
18、0:00 2007, Uncontrolled Copy, (c) BSI EN 12697-24:2004+A1:2007 (E) 3 B.2 Equipment32 B.2.1 Test machine32 B.2.2 Thermostatic chamber32 B.2.3 Measuring equipment .32 B.3 Specimen preparation.33 B.3.1 Sawing and storing .33 B.3.2 Characteristics of the specimens33 B.3.3 Stabilisation of the specimens.
19、33 B.3.4 Gluing the ends .33 B.4 Procedure.33 B.4.1 Preparing the test equipment.33 B.4.2 Carrying out the fatigue test.34 B.4.3 Choice of the tension34 B.5 Calculation and expression of results 34 B.6 Test report36 B.7 Precision.37 Annex C (normative) Three-point bending test on prismatic shaped sp
20、ecimens 38 C.1 Principle38 C.1.1 General .38 C.1.2 Element test .38 C.1.3 Fatigue line.38 C.2 Equipment38 C.2.1 Test machine38 C.2.2 Load cell.38 C.2.3 Extensometer and displacement sensor 38 C.2.4 Clamping device39 C.2.5 Data acquisition equipment .39 C.2.6 Thermostatic chamber39 C.2.7 Other genera
21、l equipment39 C.2.8 Check on the operation of the complete equipment and the mounting of the specimen39 C.3 Specimen preparation.39 C.3.1 Manufacturing and sawing.39 C.3.2 Bulk density .39 C.3.3 Storing40 C.3.4 Clamping devices preparation.40 C.4 Procedure.40 C.4.1 Preparing the test equipment.40 C.
22、4.2 Carrying out the fatigue test.40 C.4.3 Load function, extensometer signal function, and displacement function recording.40 C.4.4 End of test41 C.5 Calculation and expression of results 41 C.5.1 Calculation of the stress function and the strain function at a cycle41 C.5.2 Calculation of the dynam
23、ic modulus, phase difference angle, and density of dissipated energy at one cycle.42 C.5.3 Determination of the fatigue law and energy law.43 C.6 Test report44 C.7 Precision.44 Annex D (normative) Four-point bending test on prismatic shaped specimens45 D.1 Principle45 D.1.1 General .45 D.1.2 Element
24、 test .45 D.1.3 Fatigue line.46 D.2 Equipment47 D.2.1 Test machine47 D.2.2 Clamping device47 D.2.3 Thermostatic chamber47 D.2.4 Electronic data registration equipment.47 D.2.5 Check on the operation of the complete equipment and the mounting of the specimen48 Licensed Copy: London South Bank Univers
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