1、BS EN 13108-8:2016Bituminous mixtures Material specificationsPart 8: Reclaimed asphaltBSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS EN 13108-8:2016 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 13108-8:2016.It supersedes B
2、S EN 13108-8:2005 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee B/510/1, Asphalt products.A list of organizations represented on this committee can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 publication does not purport to include all the necessarypr
3、ovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2016.Published by BSI Standards Limited 2016ISBN 978 0 580 82045 8ICS 93.080.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was publish
4、ed under the authority of theStandards Policy and Strategy Committee on 30 June 2016.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS EN 13108-8:2016EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 13108-8 June 2016 ICS 93.080.20 Supersedes EN 13108-8:2005English Vers
5、ion Bituminous mixtures - Material specifications - Part 8: Reclaimed asphalt Mlanges bitumineux - Spcifications pour le matriau - Partie 8: Agrgats denrobs Asphaltmischgut - Mischgutanforderungen - Teil 8: Ausbauasphalt This European Standard was approved by CEN on 27 February 2016. CEN members are
6、 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 t
7、he 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 Cen
8、tre 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuan
9、ia, 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 CEN-CENELEC Management Centre: Avenue Marnix 17, B-10
10、00 Brussels 2016 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13108-8:2016 EBS EN 13108-8:2016EN 13108-8:2016 (E) 2 Contents Page European foreword . 3 Introduction 5 1 Scope 6 2 Normative references 6 3 Terms, definitions, symb
11、ols and abbreviations . 6 3.1 Terms and definitions . 6 3.2 Symbols and abbreviations . 8 4 Requirements for the feedstock 8 4.1 Foreign matter . 8 4.2 Binder 9 4.2.1 Type of binder 9 4.2.2 Binder properties 9 4.3 Aggregate grading and D . 10 4.4 Binder content . 10 4.5 Particle size of reclaimed as
12、phalt 10 5 Description of the feedstock 10 5.1 General . 10 5.2 Source of reclaimed asphalt . 10 5.3 Type and properties of aggregate 10 5.4 Homogeneity 10 5.5 Sampling and Testing . 11 5.5.1 Feedstock 11 5.5.2 Sampling 11 5.5.3 Test frequency and number of samples (n) 11 5.5.4 Testing 11 5.6 Feedst
13、ock control . 11 6 Identification . 11 Bibliography . 13 BS EN 13108-8:2016EN 13108-8:2016 (E) 3 European foreword This document (EN 13108-8:2016) 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
14、status of a national standard, either by publication of an identical text or by endorsement, at the latest by December 2016, and conflicting national standards shall be withdrawn at the latest by March 2018. Attention is drawn to the possibility that some of the elements of this document may be the
15、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 13108-8:2005. Compared with EN 13108-8:2005, the following changes have been made: a) update for consistency with other parts of EN 13108 series and C
16、PR requirements; b) introduction of term “site-won asphalt” and differentiation from feedstock; c) note exclusion of contaminated materials; d) new Table 1 for minimum test frequencies for feedstock; e) enhanced requirements for traceability of delivered feedstock. This European Standard is one of a
17、 series as listed below: EN 13108-1, Bituminous mixtures Material specifications Part 1: Asphalt Concrete EN 13108-2, Bituminous mixtures Material specifications Part 2: Asphalt Concrete for Very Thin Layers (BBTM) EN 13108-3, Bituminous mixtures Material specifications Part 3: Soft Asphalt EN 13108
18、-4, Bituminous mixtures Material specifications Part 4: Hot Rolled Asphalt EN 13108-5, Bituminous mixtures Material specifications Part 5: Stone Mastic Asphalt EN 13108-6, Bituminous mixtures Material specifications Part 6: Mastic Asphalt EN 13108-7, Bituminous mixtures Material specifications Part
19、7: Porous Asphalt EN 13108-8, Bituminous mixtures Material specifications Part 8: Reclaimed Asphalt EN 13108-9, Bituminous mixtures Material specifications Part 9: Asphalt for Ultra-Thin Layer (AUTL) EN 13108-20, Bituminous mixtures Material specifications Part 20: Type Testing EN 13108-21, Bitumino
20、us mixtures Material specifications Part 21: Factory Production Control BS EN 13108-8:2016EN 13108-8:2016 (E) 4 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
21、, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey
22、 and the United Kingdom. BS EN 13108-8:2016EN 13108-8:2016 (E) 5 Introduction The use of recycling in asphalt production makes it necessary to specify reclaimed asphalt as a constituent material in a way similar to that of aggregates and binders. In the asphalt product standards EN 13108-1 up to and
23、 including EN 13108-7 and EN 13108-9 the use of reclaimed asphalt is permitted with requirements related to the percentage addition. Site-won asphalt comprises asphalt taken by milling of asphalt road layers, slabs ripped up from asphalt pavements and asphalt from reject and surplus production. The
24、processing of site-won asphalt results in reclaimed asphalt, suitable and ready to be used as constituent material for asphalt, after being tested, assessed and classified according to this standard. Reclaimed asphalt (RA) may be used as a constituent material for bituminous mixtures manufactured in
25、 an asphalt plant, in accordance with the specifications for those mixtures. This European Standard contains requirements for reclaimed asphalt with respect to binder and aggregate properties and foreign matter that apply in all cases of usage of reclaimed asphalt. Additionally, this European Standa
26、rd indicates which properties of the reclaimed asphalt and its constituent materials need to be declared and documented if a description of a feedstock is necessary. Since the requirements for the asphalt mixtures are the same for mixtures with and without reclaimed asphalt, a set of properties of t
27、he reclaimed asphalt are of importance. The particle size and properties of the aggregate, the binder content, the properties of the binder and foreign matter in the reclaimed asphalt are relevant to the quality of the product, i.e. the fresh asphalt in which it is mixed. The level of homogeneity of
28、 the material in practice determines the maximum amount of reclaimed asphalt that may be used. The size of the particles of asphalt in the reclaimed asphalt, which may range from large lumps to finely milled material, is relevant only to the process to be used to mix into the fresh asphalt. BS EN 13
29、108-8:2016EN 13108-8:2016 (E) 6 1 Scope This European Standard specifies requirements for the classification and description of reclaimed asphalt as a constituent material for asphalt mixtures. It is not a standard for compliance. This European Standard only specifies reclaimed asphalt with bitumino
30、us binders, such as: paving grade bitumen, modified bitumen or hard grade bitumen. Reclaimed asphalt contaminated with coal tar or other additives or components above hazardous levels is not covered by this standard and will need to be considered under Member State Environmental, and Health and Safe
31、ty Regulations. 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 (inc
32、luding any amendments) applies. EN 932-1, Tests for general properties of aggregates Part 1: Methods for sampling EN 933-1, Tests for geometrical properties of aggregates Part 1: Determination of particle size distribution Sieving method EN 1426, Bitumen and bituminous binders Determination of needl
33、e penetration EN 1427, Bitumen and bituminous binders Determination of the softening point Ring and Ball method EN 12596, Bitumen and bituminous binders Determination of dynamic viscosity by vacuum capillary EN 12697-1, Bituminous mixtures Test methods for hot mix asphalt Part 1: Soluble binder cont
34、ent EN 12697-2, Bituminous mixtures Test methods 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 Part 4: Bitumen recovery: Fractionating colum
35、n EN 12697-42, Bituminous mixtures Test methods for hot mix asphalt Part 42: Amount of foreign matter in reclaimed asphalt EN 13043, Aggregates for bituminous mixtures and surface treatments for roads, airfields and other trafficked areas 3 Terms, definitions, symbols and abbreviations 3.1 Terms and
36、 definitions For the purpose of this document, the following terms and definitions apply. 3.1.1 asphalt homogenous mixture typically of coarse and fine aggregates, filler aggregate and bituminous binder which is used in the construction of a pavement BS EN 13108-8:2016EN 13108-8:2016 (E) 7 Note 1 to
37、 entry: The asphalt may include one or more additives to enhance the initial laying characteristics, performance or appearance of the mixture, but it is often not possible to identify and differentiate all specific additives in site-won asphalt. 3.1.2 site-won asphalt the material to be recycled, in
38、 the form of milled asphalt road layers or as slabs ripped up from asphalt pavements, or being asphalt from reject, surplus or failing production Note 1 to entry: These materials will require assessment and often processing before being suitable as a constituent material. 3.1.3 reclaimed asphalt RA
39、the processed site-won asphalt, suitable and ready to be used as constituent material for asphalt, after being tested, assessed and classified according to this standard Note 1 to entry: Processing can include one or more of: milling, crushing, sieving (screening), blending, etc. 3.1.4 feedstock of
40、reclaimed asphalt quantity of reclaimed asphalt (according to 3.1.3) with classified / declared properties, suitable and ready to be used as constituent material for the manufacturing of asphalt mixtures, being either: reclaimed asphalt used for a special purpose or reclaimed asphalt from special as
41、phalt mixtures with specific properties (e.g. PSV, aggregate type, etc.); or reclaimed asphalt in a stockpile which is added to and used of, on a regular basis, as long as the requirements of Clause 5 and properties of the final asphalt mixture are observed Note 1 to entry: The latter is also called
42、 the “general” feedstock, while the former may need additional description by the manufacturer. Note 2 to entry: When the properties of the reclaimed asphalt in the general feedstock change to such an extent that the reclaimed asphalt as constituent material is not conforming to the reclaimed asphal
43、t as documented in the Type Test, EN 1310820 requires a new Type Test. Note 3 to entry: Feedstocks will have been assessed and they consist only of reclaimed asphalt according to 3.1.3. 3.1.5 aggregate size designation of the size of the aggregate in the reclaimed asphalt in terms of lower (d) and u
44、pper (D) sieve sizes, expressed as d/D Note 1 to entry: For reclaimed asphalt, d will almost invariably be 0. 3.1.6 particle size of reclaimed asphalt maximum size of the pieces of asphalt in the reclaimed material, expressed as a sieve size (U) BS EN 13108-8:2016EN 13108-8:2016 (E) 8 3.2 Symbols an
45、d abbreviations 3.2.1 D upper sieve size of the aggregate in the reclaimed asphalt sieve size in mm and the larger of the smallest sieve with 100 % passing divided by 1,4 and the smallest sieve with 85 % passing 3.2.2 U maximum particle size of reclaimed asphalt smallest sieve size in millimetres th
46、rough which 100 % of the asphalt particles pass 3.2.3 U RA d/D size designation of the reclaimed asphalt reclaimed asphalt is designated by the abbreviation RA, preceded by the “maximum particle size of asphalt” (designation U) and followed by the aggregate size designation d/D in millimetres EXAMPL
47、E 40 RA 0/8 mm: Reclaimed asphalt, of which the aggregate has an upper sieve size of 8 mm and the asphalt particles have a maximum size of 40 mm. 4 Requirements for the feedstock 4.1 Foreign matter The presence, content and type of any foreign matter, as defined below, shall be documented and the ca
48、tegory declared. The content of foreign matter shall be determined according to EN 12697-42. Foreign matter comprises materials other than natural aggregate, not derived from asphalt and is divided in two groups: a) Group 1 materials such as: 1) cement concrete, including cement concrete products; 2
49、) bricks; 3) sub base material (excluding natural aggregate); 4) cement mortar; 5) metal; and b) Group 2 materials such as: 1) synthetic materials; 2) wood; 3) plastics. The reclaimed asphalt shall be classified in terms of foreign matter content as described below: BS EN 13108-8:2016EN 13108-8:2016 (E) 9 Category F1 content of group 1 material not greater than 1 % by mass, content of group 2 material not greater than 0,1 % by mass; Category F5 content of group 1 m
