1、June 2012Translation by DIN-Sprachendienst.English price group 8No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 93.
2、080.20!$|s7“1898020www.din.deDDIN EN 12697-21Bituminous mixtures Test methods for hot mix asphalt Part 21: Indentation using plate specimensEnglish translation of DIN EN 12697-21:2012-06Asphalt Prfverfahren fr Heiasphalt Teil 21: Eindringversuch an PlattenEnglische bersetzung von DIN EN 12697-21:201
3、2-06Mlanges bitumineux Mthodes dessai pour mlange hydrocarbon chaud Partie 21: Essai dindentation de plaquesTraduction anglaise de DIN EN 12697-21:2012-06SupersedesDIN EN 12697-21:2004-02www.beuth.deIn case of doubt, the German-language original shall be considered authoritative.Document comprises 1
4、3 pages05.12 DIN EN 12697-21:2012-06 2 A comma is used as the decimal marker. National foreword This standard has been prepared by Technical Committee CEN/TC 227 “Road materials” (Secretariat: DIN, Germany). The responsible German body involved in its preparation was the Normenausschuss Bauwesen (Bu
5、ilding and Civil Engineering Standards Committee), Working Committee NA 005-10-10 AA Asphalt. Amendments This standard differs from DIN EN 12697-21:2004-02 as follows: a) the test cubes have been replaced by test plates and the height of cylindrical specimens has been defined; b) a more detailed des
6、cription of the load application system and suitable devices has been given; c) the term “pneumatic thrustor” (in German “Druckvorrichtung fr Luftdruck”) has been replaced by “pneumatic actuator” (in German “Druckluftzylinder”); d) it has been clarified that the water bath only has to be capable of
7、maintaining the temperature in the vicinity of the specimen; e) when preparing specimens the temperature of mastic asphalt with modified binders and/or of low temperature mastic asphalt is to be in accordance with the producers instructions; f) requirements for the storage of specimens prior to the
8、start of testing from the time of their preparation have been specified. Previous editions DIN EN 12697-21: 2004-02 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12697-21 April 2012 ICS 93.080.20 Supersedes EN 12697-21:2003English Version Bituminous mixtures - Test methods for hot mix asphalt
9、 - Mlanges bitumineux - Mthodes dessai pour mlange hydrocarbon chaud - Partie 21: Essai dindentation de plaques Asphalt - Prfverfahren fr Heiasphalt - Teil 21: Eindringversuch an Platten This European Standard was approved by CEN on 26 February 2012. CEN members are bound to comply with the CEN/CENE
10、LEC 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 o
11、r 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 off
12、icial 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, Sl
13、ovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. 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 12697-21:2012: EEUROPEAN COMMITTEE FOR STANDARDIZATI
14、ON COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Part 21: Indentation using plate specimens EN 12697-21:2012 (E) 2 Contents Page Foreword 31 Scope 72 Normative references 73 Apparatus .73.1 Moulding of test plates of mastic asphalt .73.2 Apparatus for the indentation test .74 Samplin
15、g and preparation of laboratory sample 84.1 Sampling .84.2 Preparation of the samples .85 Procedure .96 Calculation and expression of results .97 Precision 108 Test report . 10Bibliography . 11DIN EN 12697-21:2012-06 EN 12697-21:2012 (E) 3 Foreword This document (EN 12697-21:2012) has been prepared
16、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 October 2012, and conflicting national standards shall
17、be withdrawn at the latest by October 2012. 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 supersedes EN 12697-21:2003.
18、 The following is a list of significant technical changes since the last edition: test cubes renamed as test plates and height of cylindrical specimens defined; the system to apply the load clarified, including that the equipment is suitable; pneumatic thrusters redefined as pneumatic actuator; clar
19、ification that the water bath only has to be capable of maintaining the temperature in the vicinity of the sample; in the preparation of samples, the temperature of mastic asphalt with modified binders and/or for low temperature mastic asphalt shall be in accordance with the producers instructions;
20、requirement added about the storage of specimens prior to the start of testing from the time of their manufacture. This European Standard is one of a series of standards as listed below: EN 12697-1, Bituminous mixtures Test methods for hot mix asphalt Part 1: Soluble binder content EN 12697-2, Bitum
21、inous mixtures Test methods for hot mix asphalt Part 2: Determination of particle size distribution EN 12697-3, Bituminous mixtures Test methods for hot mix asphalt Part 3: Bitumen recovery: Rotary evaporator EN 12697-4, Bituminous mixtures Test methods for hot mix asphalt Part 4: Bitumen recovery:
22、Fractionating column EN 12697-5, Bituminous mixtures Test methods for hot mix asphalt Part 5: Determination of the maximum density EN 12697-6, Bituminous mixtures Test methods for hot mix asphalt Part 6: Determination of bulk density of bituminous specimens EN 12697-7, Bituminous mixtures Test metho
23、ds for hot mix asphalt Part 7: Determination of bulk density of bituminous specimens by gamma rays DIN EN 12697-21:2012-06 EN 12697-21:2012 (E) 4 EN 12697-8, Bituminous mixtures Test methods for hot mix asphalt Part 8: Determination of void characteristics of bituminous specimens EN 12697-10, Bitumi
24、nous mixtures Test methods for hot mix asphalt Part 10: Compactibility EN 12697-11, Bituminous mixtures Test methods for hot mix asphalt Part 11: Determination of the affinity between aggregate and bitumen EN 12697-12, Bituminous mixtures Test methods for hot mix asphalt Part 12: Determination of th
25、e water sensitivity of bituminous specimens EN 12697-13, Bituminous mixtures Test methods for hot mix asphalt Part 13: Temperature measurement EN 12697-14, Bituminous mixtures Test methods for hot mix asphalt Part 14: Water content EN 12697-15, Bituminous mixtures Test methods for hot mix asphalt Pa
26、rt 15: Determination of the segregation sensitivity EN 12697-16, Bituminous mixtures Test methods for hot mix asphalt Part 16: Abrasion by studded tyres EN 12697-17, Bituminous mixtures Test methods for hot mix asphalt Part 17: Particle loss of porous asphalt specimen EN 12697-18, Bituminous mixture
27、s Test methods for hot mix asphalt Part 18: Binder drainage EN 12697-19, Bituminous mixtures Test methods for hot mix asphalt Part 19: Permeability of specimen EN 12697-20, Bituminous mixtures Test methods for hot mix asphalt Part 20: Indentation using cube or cylindrical specimens EN 12697-21, Bitu
28、minous mixtures Test methods for hot mix asphalt Part 21: Indentation using plate specimens EN 12697-22, Bituminous mixtures Test methods for hot mix asphalt Part 22: Wheel tracking EN 12697-23, Bituminous mixtures Test methods for hot mix asphalt Part 23: Determination of the indirect tensile stren
29、gth of bituminous specimens EN 12697-24, Bituminous mixtures Test methods for hot mix asphalt Part 24: Resistance to fatigue EN 12697-25, Bituminous mixtures Test methods for hot mix asphalt Part 25: Cyclic compression test EN 12697-26, Bituminous mixtures Test methods for hot mix asphalt Part 26: S
30、tiffness EN 12697-27, Bituminous mixtures Test methods for hot mix asphalt Part 27: Sampling EN 12697-28, Bituminous mixtures Test methods for hot mix asphalt Part 28: Preparation of samples for determining binder content, water content and grading EN 12697-29, Bituminous mixtures Test methods for h
31、ot mix asphalt Part 29: Determination of the dimensions of a bituminous specimen EN 12697-30, Bituminous mixtures Test methods for hot mix asphalt Part 30: Specimen preparation by impact compactor EN 12697-31, Bituminous mixtures Test methods for hot mix asphalt Part 31: Specimen preparation by gyra
32、tory compactor DIN EN 12697-21:2012-06 EN 12697-21:2012 (E) 5 EN 12697-32, Bituminous mixtures Test methods for hot mix asphalt Part 32: Laboratory compaction of bituminous mixtures by vibratory compactor EN 12697-33, Bituminous mixtures Test methods for hot mix asphalt Part 33: Specimen prepared by
33、 roller compactor EN 12697-34, Bituminous mixtures Test methods for hot mix asphalt Part 34: Marshall test EN 12697-35, Bituminous mixtures Test methods for hot mix asphalt Part 35: Laboratory mixing EN 12697-36, Bituminous mixtures Test methods for hot mix asphalt Part 36: Determination of the thic
34、kness of a bituminous pavement EN 12697-37, Bituminous mixtures Test methods for hot mix asphalt Part 37: Hot sand test for the adhesivity of binder on pre-coated chippings for HRA EN 12697-38, Bituminous mixtures Test methods for hot mix asphalt Part 38: Common equipment and calibration EN 12697-39
35、, Bituminous mixtures Test methods for hot mix asphalt Part 39: Binder content by ignition EN 12697-40, Bituminous mixtures Test methods for hot mix asphalt Part 40: In situ drainability EN 12697-41, Bituminous mixtures Test methods for hot mix asphalt Part 41: Resistance to de-icing fluids EN 12697
36、-42, Bituminous mixtures Test methods for hot mix asphalt Part 42: Amount of foreign matters in reclaimed asphalt EN 12697-43, Bituminous mixtures Test methods for hot mix asphalt Part 43: Resistance to fuel EN 12697-44, Bituminous mixtures Test methods for hot mix asphalt Part 44: Crack propagation
37、 by semi-circular bending test EN 12697-45, Bituminous mixtures Test methods for hot mix asphalt Part 45: Saturation ageing tensile stiffness (SATS) conditioning test EN 12697-46, Bituminous mixtures Test methods for hot mix asphalt Part 46: Low temperature cracking and properties by uniaxial tensio
38、n tests EN 12697-47, Bituminous mixtures Test methods for hot mix asphalt Part 47: Determination of the ash content of natural asphalt prEN 12697-48, Bituminous mixtures Test methods for hot mix asphalt Part 48: Interlayer bond strength1)prEN 12697-49, Bituminous mixtures Test methods for hot mix as
39、phalt Part 49: Determination of friction after polishing1)prEN 12697-50, Bituminous mixtures Test methods for hot mix asphalt Part 50: Scuffing resistance of surface course asphalt1) According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries ar
40、e bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, 1) In preparation DIN EN 12697-21:2012-06 EN 12697-21:2012 (E) 6 Lithuania, Luxembourg, Malta, Nethe
41、rlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. DIN EN 12697-21:2012-06 EN 12697-21:2012 (E) 7 1 Scope This European Standard specifies a test method for measuring the indentation of mastic asphalt when it is penetrated at a g
42、iven temperature, load and for a fixed time period by a standardised cylindrical indentor pin with a circular flat-ended base. This European Standard applies to mastic asphalt with aggregates of maximum nominal size less or equal to 16 mm. 2 Normative references The following documents, in whole or
43、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 12697-27, Bituminous mixtures Test method
44、s for hot mix asphalt Part 27: Sampling 3 Apparatus 3.1 Moulding of test plates of mastic asphalt 3.1.1 Moulds of 100 mm to 150 mm diameter and 25 mm height or sample moulds 150 mm 150 mm 25 mm. Approximate dimensions are sufficiently accurate. 3.1.2 Oven capable of maintaining temperature of (250 1
45、0) C. 3.1.3 Spatula 3.1.4 Thermometer capable to measure 300 C accurate to 2 C. 3.2 Apparatus for the indentation test 3.2.1 System for the load transmission 3.2.1.1 General A system able to apply the load under the conditions of Table 1 for the selected type of test. The load is applied differently
46、 according to the type of apparatus used. The following load application systems are suitable: 3.2.1.2 Lever arm and counterweight: After balancing of lever arm, with help of a balance weight, place a weight into a mark situated on the arm, at such a distance, that the chosen load is applied on the
47、pin. 3.2.1.3 Direct charge system: Comprising a plate, fixed to a vertical axis. 3.2.1.4 Transmission by pneumatic actuator: Pressure of compressed air permits the desired force to be obtained. This pressure is preliminarily adjusted by means of a pressure gauge and released at the moment of the test. DIN EN 12697-21:2012-06 EN 12697-21:2012 (E) 8 3.2.1.5 Flat ended, cylindrical stainless steel, indentor pins of the following diameters: (25,2 0,1) mm for a surface of 500 mm2; (11,3 0,1) mm for a surface of 100 mm2; (6,35 0,1) mm for a surface of
