1、 g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58Part 32: Laboratory compaction of bituminous mixtures by vibratory compactorThe European Standard E
2、N 12697-32:2003, incorporating amendment A1:2007, has the status of a British StandardICS 93.080.20Bituminous mixtures Test methods for hot mix asphalt BRITISH STANDARDBS EN 12697-32:2003Incorporating amendment no. 1BS EN 12697-32:2003This British Standard was published under the authority of the St
3、andards Policy and Strategy Committee on 28 March 2003 BSI 2007ISBN 978 0 580 59825 8Amendments issued since publicationAmd. No. Date Comments17287 31 August 2007 Implementation of CEN amendment A1:2007This publication does not purport to include all the necessary provisions of a contract. Users are
4、 responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.National forewordThis British Standard is the UK implementation of EN 12697-32:2003, incorporating amendment A1:2007. The UK participation in its preparation was entrusted by Tec
5、hnical Committee B/510, Road materials, to Subcommittee B/510/1, Coated macadam and hot asphalt.A list of organizations represented on this subcommittee can be obtained on request to its secretary.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12697-32:2003+A1 July 2007 ICS 93.080.20 Supersede
6、s EN 12697-32:2003English Version Bituminous mixtures - Test methods for hot mix asphalt - Part 32: Laboratory compaction of bituminous mixtures by vibratory compactor Matriaux enrobs - Mthodes dessai pour enrobs chaud - Partie 32: Compactage en laboratoire de mlanges bitumineux par compacteur vibra
7、toire Asphalt - Prfverfahren fr Heiasphalt - Teil 32: Laborverdichtung von Asphalt mit einem Vibrationsverdichter This European Standard was approved by CEN on 21 November 2002 and includes Amendment 1 approved by CEN on 16 May 2007. CEN members are bound to comply with the CEN/CENELEC Internal Regu
8、lations 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 Management Centre or to any CEN member. This
9、 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 Management Centre has the same status as the official versions. CEN members are t
10、he national standards bodies of Austria, Belgium, Bulgaria, 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, Switzerla
11、nd and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN 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
12、 12697-32:2003+A1:2007: EEN 12697-32:2003+A1:2007 (E) 2 Contents Page Foreword3 1 Scope 6 2 Normative references 6 3 Terms and definitions .6 4 Principle7 5 Materials .7 6 Apparatus .7 7 Preparation of test specimens .8 7.1 Core Specimens.8 7.2 Plant-mixed materials9 7.3 Laboratory-mixed materials9
13、8 Calculation and expression of results.9 9 Test report 9 10 Precision.9 Annex A (normative) Test method for determining the suitability of a vibrating hammer for laboratory compaction.11 A.1 Principle11 A.2 Apparatus .11 A.3 Materials .11 A.4 Preparation of sample .11 A.5 Procedure .11 A.6 Calculat
14、ion and expression of results.12 A.7 Calibration certificate 13 Bibliography14 EN 12697-32:2003+A1:2007 (E) 3 Foreword This document (EN 12697-32:2003+A1:2007) has been prepared by Technical Committee CEN/TC 227 “Road materials“, the secretariat of which is held by DIN. This European Standard shall
15、be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by January 2008 and conflicting national standards shall be withdrawn at the latest by January 2008. This document includes Amendment 1, approved by CEN on 2007-05-16. This documen
16、t supersedes EN 12697-32:2003. The start and finish of text introduced or altered by amendment is indicated in the text by tags ! “. This European Standard is one of a series of standards as follows: EN 12697-1, Bituminous mixtures Test methods for hot mix asphalt Part 1: Soluble binder content EN 1
17、2697-2, Bituminous 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: Binder recovery: Rotary evaporator EN 12697-4, Bituminous mixtures Test methods for hot mix asphalt Part 4: Binder
18、 recovery: 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 specimen EN 12697-7, Bituminous mixtures
19、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 12697-9, Bituminous mixtures Test methods for hot mix
20、 asphalt Part 9: Determination of the reference density EN 12697-10, Bituminous 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 binder. EN 12697-12, Bitumi
21、nous mixtures Test methods for hot mix asphalt Part 12: Determination 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 c
22、ontent EN 12697-32:2003+A1:2007 (E) 4 EN 12697-15, Bituminous mixtures Test methods for hot mix 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 met
23、hods for hot mix asphalt Part 17: Particle loss of porous asphalt specimen EN 12697-18, Bituminous 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 T
24、est methods for hot mix asphalt Part 20: Indentation using cube or Marshall specimen EN 12697-21, 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, Bit
25、uminous mixtures Test methods for hot mix asphalt Part 23: Determination of the indirect tensile 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
26、: Cyclic compression test EN 12697-26, Bituminous mixtures Test methods for hot mix asphalt 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 det
27、ermining binder content, water content and grading 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
28、 12697-31, Bituminous mixtures Test methods for hot 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 a vibratory compactor EN 12697-33, Bituminous mixtures Test m
29、ethods for hot mix asphalt Part 33: Specimen preparation 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 met
30、hods for hot mix asphalt Part 36: Determination of the 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 12697-32:2003+A1:2007 (E) 5 EN 12697-38, Bituminous mixtur
31、es Test methods for hot mix asphalt Part 38: Common equipment and calibration EN 12697-39, Bituminous mixtures Test methods for hot mix asphalt Part 39: Binder content of by ignition EN 12697-40, Bituminous mixtures Test methods for hot mix asphalt Part 40: In situ drainability EN 12697-41, Bitumino
32、us mixtures Test methods for hot mix asphalt Part 41: Resistance to deicing fluids EN 12697-42, Bituminous mixtures Test methods for hot mix asphalt Part 42: Amount of coarse foreign matters in reclaimed asphalt EN 12697-43, Bituminous mixtures Test methods for hot mix asphalt Part 43: Resistance to
33、 fuel The applicability of this European Standard is described in the product standards for bituminous mixtures. !deleted text“ Annex A is normative. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this Europea
34、n Standard: Austria, Belgium, Bulgaria, 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 and United Kingdo
35、m. EN 12697-32:2003+A1:2007 (E) 6 1 Scope This European Standard describes a test method for the preparation of bituminous test specimens using a vibratory compaction technique. This European Standard is applicable to loose mixtures and cores and is used to establish a reference density for a bitumi
36、nous mixture in accordance with the procedures described in EN 12697-9, or the ease of compaction as described in EN 12697-10. 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the app
37、ropriate places in the text, and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the pub
38、lication referred to applies (including amendments). !EN 12697-6:2003+A1“, Bituminous mixtures Test methods for hot mix asphalt Part 6: Determination of bulk density of bituminous specimen by hydro-static method. EN 12697-9, Bituminous mixtures Test methods for hot mix asphalt Part 9: Determination
39、of the reference density. EN 12697-10, Bituminous mixtures Test methods for hot mix asphalt Part 10: Compactibility. EN 12697-14, Bituminous mixtures Test methods for hot mix asphalt Part 14: Water content. EN 12697-27, Bituminous mixtures Test methods for hot mix asphalt Part 27: Sampling. !EN 1269
40、7-30:2004+A1, Bituminous mixtures Test methods for hot mix asphalt Part 30: Specimen preparation by impact compactor.“ !EN 12697-35:2004+A1, Bituminous mixtures Test methods for hot mix asphalt Part 35: Laboratory mixing.“ 3 Terms and definitions For the purposes of this European Standard, the follo
41、wing terms and definitions apply. 3.1 bulk density mass in air per unit volume of the compacted specimen at ambient temperature 3.2 refusal density mass per unit volume, including voids, of the compacted specimen after having been further compacted to refusal 3.3 percentage refusal density ratio of
42、the initial bulk density of the compacted specimen to its refusal density, expressed as a percentage EN 12697-32:2003+A1:2007 (E) 7 4 Principle After the mixing, preparation and conditioning of a bituminous specimen in the laboratory, the heating of a core extracted from the road surface to compacti
43、on temperature, or the conditioning of plant-mixed material, the material or core is placed in a standard mould with attached base plate and collar and compacted by a vibratory hammer. If required the specimen is compacted to refusal and the refusal density is determined in accordance with EN 12697-
44、9. After completion of compaction, the bulk density of the compacted specimen is determined in accordance with !EN 12697-6:2003+A1“. NOTE For loose material prepared or compacted in the laboratory, or plant mixed material compacted in the laboratory, the refusal density is an indication of the poten
45、tial maximum density which may be achieved under field conditions. 5 Materials 5.1 Sealing compound. 5.2 Paper discs, to prevent the ends of the specimen from sticking to the base plate or the tamping foot. 5.3 Silicone grease, for use as a release agent. !deleted text“ 5.4 Inert void filling materi
46、al. 6 Apparatus 6.1 Drying oven, to maintain a temperature of between 25 C and 45 C 6.2 Balance. 6.3 Water bath. 6.4 Split core mould and base plate (see Figure 1). 6.5 One spare base plate NOTE Only one spare base plate is needed for a complete set of moulds. 6.6 Heating oven, with fan-assisted cir
47、culation. 6.7 Electric vibrating hammer, conforming to annex A and suitable for laboratory compaction. The hammer shall have a power consumption of 750 W to 1 000 W and shall operate at a frequency of 20 Hz to 50 Hz. 6.8 A 50 mm or 75 mm wide point stripping knife and a pallet knife. 6.9 A (102 2) m
48、m diameter tamping foot and a (146 2) mm diameter tamping foot, for use with the electric vibrating hammer (see 6.7). 6.10 A 300 mm steel rule. 6.11 A pair of external callipers. 6.12 A stopwatch or clock. EN 12697-32:2003+A1:2007 (E) 8 6.13 Thermometer. 6.14 A saw, suitable for slicing a core to su
49、itable size. !deleted text“ 6.15 A paint brush. 7 Preparation of test specimens 7.1 Core Specimens 7.1.1 After determination of the bulk density of the core in accordance with !EN 12697-6:2003+A1“, coat the split mould and base plate with a thin film of silicone grease and place a paper disc on the base plate. 7.1.2 !After removi
