1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 12697-34:2012Bituminous mixtures Testmethods for hot mix asphaltPart 34: Marshall testBS EN 12697-34:2012 BRITISH STANDARDNational forewordThis British Standard is the UK i
2、mplementation of EN 12697-34:2012.It supersedes BS EN 12697-34:2004 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee B/510/1, Asphalt products.A list of organizations represented on this committee can beobtained on request to its secretary.This publicati
3、on does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2012. Published by BSI StandardsLimited 2012 ISBN 978 0 580 76364 9 ICS 93.080.20 Compliance with a British Standard cannot confer immunity fr
4、omlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 August 2012. Amendments issued since publicationDate T e x t a f f e c t e dBS EN 12697-34:2012EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12697-34 May 2012 ICS 93
5、.080.20 Supersedes EN 12697-34:2004+A1:2007English Version Bituminous mixtures - Test methods for hot mix asphalt - Part 34: Marshall test Mlanges bitumineux - Mthodes dessai pour mlange hydrocarbon chaud - Partie 34 : Essai Marshall Asphalt - Prfverfahren fr Heiasphalt - Teil 34: Marshall-Prfung Th
6、is European Standard was approved by CEN on 30 March 2012. 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 referen
7、ces 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 m
8、ember 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, Icela
9、nd, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre:
10、 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 12697-34:2012: EBS EN 12697-34:2012EN 12697-34:2012 (E) 2 Contents Page Foreword 31 Scope 72 Normative references 73 Terms and definitions .74
11、Principle 85 Apparatus .86 Procedure .86.1 Specimen preparation .86.2 Test procedure .97 Expression of results 98 Test report . 109 Precision 10Annex A (normative) Marshall stability and flow values 11Annex B (normative) Testing head . 12Bibliography . 13BS EN 12697-34:2012EN 12697-34:2012 (E) 3 For
12、eword This document (EN 12697-34:2012) 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 b
13、y November 2012, and conflicting national standards shall be withdrawn at the latest by November 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 suc
14、h patent rights. This document supersedes EN 12697-34:2004+A1:2007. The significant changes with respect to the previous edition are: a) definition of stability revised; b) definition of total flow added; c) note added on need for graphical plotter; d) note added allowing alternative number of votes
15、; e) staking of specimens not permitted; f) note added about rapid cooling of rolled asphalt specimens; g) requirements for measurement of flow revised; h) equation for calculating the corrected stability revised with units in cubic millimetres rather than millilitres; i) calculation of flow clarifi
16、ed; j) Annex A revised. Annexes A and B are normative. This document is one of a series of European Standards which specify various test methods for bituminous mixtures. It includes the following parts: EN 12697-1, Bituminous mixtures Test methods for hot mix asphalt Part 1: Soluble binder content E
17、N 12697-2, Bituminous mixtures Test method 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: Bit
18、umen recovery: Fractionating column EN 12697-5, Bituminous mixtures Test methods for hot mix asphalt Part 5: Determination of the maximum density BS EN 12697-34:2012EN 12697-34:2012 (E) 4 EN 12697-6, Bituminous mixtures Test methods for hot mix asphalt Part 6: Determination of bulk density of bitumi
19、nous specimens EN 12697-7, Bituminous mixtures Test methods for hot mix asphalt Part 7: Determination of bulk density of bituminous specimens by gamma rays EN 12697-8, Bituminous mixtures Test methods for hot mix asphalt Part 8: Determination of void characteristics of bituminous specimens EN 12697-
20、10, Bituminous mixtures Test methods for hot mix asphalt Part 10: Compactability 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: Determina
21、tion of the 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
22、asphalt Part 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, Bitumino
23、us mixtures 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 1269
24、7-21, Bituminous 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 ten
25、sile strength 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
26、Part 26: Stiffness 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 BS EN 12697-34:2012EN 12697-34:2012 (E) 5
27、 EN 12697-29, Bituminous mixtures Test methods for hot 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 h
28、ot mix asphalt Part 31: Specimen preparation by gyratory compactor 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 prepar
29、ed by 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
30、 thickness 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 precoated chippings for HRA EN 12697-38, Bituminous mixtures Test methods for hot mix asphalt Part 38: Common equipment and calibration EN 1269
31、7-39, 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 1
32、2697-42, Bituminous mixtures Test methods for hot mix asphalt Part 42: Amount of coarse foreign matter 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 p
33、ropagation 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 uniax
34、ial tension tests EN 12697-47, Bituminous mixtures Test methods for hot mix asphalt Part 47: Determination of the ash content of natural asphalts prEN 12697-48, Bituminous mixtures Test methods for hot mix asphalt Part 48: Interlayer bond strength1)1) In preparation. BS EN 12697-34:2012EN 12697-34:2
35、012 (E) 6 prEN 12697-49, Bituminous mixtures Test methods for hot mix asphalt Part 49: Skid resistance of asphalt in the laboratory1) 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 Regu
36、lations, 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, Ma
37、lta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 12697-34:2012EN 12697-34:2012 (E) 7 1 Scope This European Standard specifies a test method for determining the stability, flow and the Marshall Quotient values of
38、 specimens of bituminous mixtures mixed according to EN 12697-35 and prepared using the impact compactor method of test EN 12697-30. It is limited to dense graded asphalt concrete and hot rolled asphalt. 2 Normative references The following documents, in whole or in part, are normatively referenced
39、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 12697-6, Bituminous mixtures Test methods for hot mix asphalt Part 6: Determi
40、nation of bulk density of bituminous specimens EN 12697-29, Bituminous mixtures Test method for hot 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 ISO
41、 7500-1:2004, Metallic materials Verification of static uniaxial testing machines Part 1: Tension/compression testing machines Verification and calibration of the force-measuring system (ISO 7500-1:2004) 3 Terms and definitions For the purposes of this document, the following terms and definitions a
42、pply. 3.1 stability S maximum load, in kilonewtons (kN), of a moulded asphalt specimen 3.2 flow F deformation of the moulded specimen in millimetres (mm) at maximum load less the nominal deformation obtained by extrapolation of the tangent of the graph of load against deformation back to zero load (
43、A to M in Figure A.1) 3.3 tangential flow Ftnominal deformation of the moulded specimen, in millimetres (mm) obtained by extrapolation of the tangent of the graph of load against deformation forward to the stability load less the nominal deformation obtained by extrapolation of the tangent back to z
44、ero load (A to B in Figure A.1) 3.4 total flow FTdeformation of the moulded specimen in millimetres (mm) at maximum load (0 to M in Figure A.1) 3.5 Marshall quotient ratio of the stability, S, to the flow, F, S/F Note 1 to entry: See Annex A. BS EN 12697-34:2012EN 12697-34:2012 (E) 8 4 Principle Mar
45、shall specimens are compacted in accordance with EN 12697-30. The Marshall stability, flow and quotient are subsequently determined on these specimens using defined procedures and reported along with the bulk density of the specimen. 5 Apparatus 5.1 Compression testing machine of Class 2 or better a
46、ccording to EN ISO 7500-1:2004, clause 7, having a recommended minimum capacity of 28 kN and capable of applying loads to test specimens at a constant rate of deformation of (50 2) mm/min after a transitory period less than 20 % of the loading time. The rate of deformation is to be maintained. 5.2 F
47、low measuring device, capable of determining deformation to an accuracy of 0,1 mm. 5.3 Graphical plotter, for evaluating the curve of force versus deformation, e.g. graphical plotter, strip recorder or software program. NOTE A graphical plotter is required to obtain a test result by this test method
48、. If dial gauges are used, they should be checked and zeroed prior to each measurement. In these cases, only the total flow can be recorded. 5.4 Testing head, comprised of upper and lower breaking heads with the dimensions given in Figure B.1. 5.5 Water bath, at least 150 mm deep and capable of thermostatically maintaining the water at a temperature of (60 1) C. This bath shall have a perforated false bottom or shelf that can suspend the test specimens at least 25 mm above the bottom of the bath, and allow at least 25 m
