1、BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06Slurry surfacing Test methodsPart 1: Sampling of slurry surfacing mixtureBS EN 122741:2018National forewordThis British Standard is the UK implementation of EN 122741:2018. It supersedes BS EN 122741:2002, which is with
2、drawn.The UK participation in its preparation was entrusted to Technical Committee B/510/2, Surface treatments.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Us
3、ers are responsible for its correct application. The British Standards Institution 2018 Published by BSI Standards Limited 2018ISBN 978 0 580 92275 6ICS 93.080.20Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority o
4、f the Standards Policy and Strategy Committee on 31 March 2018.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 122741:2018EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 122741March 2018ICS 93.080.20 Supersedes EN 122741:2002EUROPEAN COMMITTEE FOR STANDARDIZAT
5、IONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGCENCENELEC Management Centre: Avenue Marnix 17, B1000 Brussels 2018 CEN Ref. No. EN 122741:2018: EAll rights of exploitation in any form and by any means reserved worldwide for CEN national MembersSlurry surfacing Test methods Part 1: Sa
6、mpling of slurry surfacing mixtureMatriaux bitumineux couls froid Mthode dessai Partie 1: Echantillonnage de Matriaux Bitumineux Couls FroidDnne Asphaltdeckschichten in Kaltbauweise Prfverfahren Teil 1: ProbenahmeThis European Standard was approved by CEN on 13 November 2017.CEN members are bound to
7、 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. Uptodate lists and bibliographical references concerning such national standards may be obtained on application to the CENCENEL
8、EC 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 Centre has the s
9、ame 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, Lithuania, Luxembourg
10、, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.English VersionEN 122741:2018 (E)European foreword 31 Scope . 42 Apparatus for sampling . 42.1 Suitable containers with a capacity of minimum 0,5 l 42.2 Stirring
11、 rod with a diameter of 20 mm to 30 mm and of suitable length 43 Procedure for sampling . 44 Sample labelling 4Annex A (informative) Procedure for sampling after laying 62Contents PageBS EN 122741:2018EN 122741:2018 (E)European forewordThis document (EN 12274-1:2018) has been prepared by Technical C
12、ommittee 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 September 2018, and conflicting national standards shall be withdrawn
13、at the latest by September 2018.Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights.This document supersedes EN 12274 1:2003.Compared with EN 12274 1:2003
14、, the following changes have been made:a) the position of when to take a sample from production has been defined;b) an informative annex has been added to evaluate sampling after laying.This European Standard is one of a series of standards as listed below: EN 12274-1, Slurry surfacing Test methods
15、Part 1: Sampling of slurry surfacing mixture EN 12274-2, Slurry surfacing Test methods Part 2: Determination of residual binder content including preparation of samples EN 12274-3, Slurry surfacing Test methods Part 3: Consistency EN 12274-4, Slurry surfacing Test methods Part 4: Determination of co
16、hesion of the mix EN 12274-5, Slurry surfacing Test methods Part 5: Determination of the minimum binder content and wearing resistance EN 12274-6, Slurry surfacing Test methods Part 6: Rate of application EN 12274-7, Slurry surfacing Test methods Part 7: Shaking abrasion test EN 12274-8, Slurry surf
17、acing Test methods Part 8: Visual assessment of defectsAccording to the CENCENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finla
18、nd, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.3BS EN 122741:2018EN 12274
19、1:2018 (E)1 ScopeThis European Standard applies to slurry surfacing for roads, airfields and other trafficked areas.This European Standard specifies a method for sampling of slurry surfacing mixtures from production during laying.A method for sampling from the road surface after laying is described
20、in an informative annex (Annex A) for evaluation purposes.Production testing needs operators with good practice and is carried out provided there are no specific local or other national regulations that are required to be followed.WARNING The use of this standard may involve hazardous materials, ope
21、rations and equipment. This standard does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of the standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.2 Appa
22、ratus for sampling2.1 Suitable containers with a capacity of minimum 0,5 lIn order to achieve the amount of sample needed, several containers may be used. For closing the containers a tightly fitting lid is recommended.A sampling frame to hold one or more containers may be used.2.2 Stirring rod with
23、 a diameter of 20 mm to 30 mm and of suitable lengthIn order to achieve a homogeneous sample, stirring might be required.3 Procedure for sampling1) All samples of the slurry surfacing mixture shall be taken during production, immediately before being laid. No sample shall be taken until the laid mat
24、erial appears uniform and homogeneous. No sample shall be taken at the very beginning or end of production. The sample has to be taken until the machine has laid on road at least 30 linear metres of material.NOTE 1 For small machines used on footways and cycle ways the sample can be taken at any tim
25、e during production before being laid, this can also be from a batch mix.2) Take the sample by holding the container(s) in the full flow of the discharging mixture until it is (each are) full but not overflowing. NOTE 2 A sample frame is a convenient and safe method to hold the containers.3) Samples
26、 of slurry surfacing mixture shall be packed and stored so that no contamination or damage to the sample takes place.4) If the sample is large or has to be divided for testing then it may be necessary to stir the sample continuously until the slurry surfacing mixture has achieved an initial set to e
27、nsure all the aggregate particles remain in suspension and do not segregate.4 Sample labellingThe sampling report shall contain the minimum information:a) name of the Producer (Contractor);4 BS EN 122741:2018EN 122741:2018 (E)b) type of slurry surfacing (e.g. base layer or surface layer of microsurf
28、acing; aggregate origin and grading; modified or unmodified slurry surfacing; fibre type; etc.);c) date of sampling;d) identification of the slurry surfacing machine;e) designation of samples ;f) location of sampling and site name;g) possible additional information:h) name of the sampling organizati
29、on;i) reference to this European Standard;j) any deviations from the procedure described in the standard.Optional information:k) weather conditions;l) emulsion origin;m) time of sampling.5BS EN 122741:2018EN 122741:2018 (E)Annex A (informative) Procedure for sampling after layingA.1 General1) Self-a
30、dhesive masking tape covering a minimum area of 0,1 m2 shall be fixed on the surface to obtain a representative sample.2) The position of the tape shall be recorded and for roads shall be at least 30 m from the start of production to ensure a homogeneous mixture.NOTE 1 Samples can be conveniently ob
31、tained from appropriately positioned masked ironwork e.g. utility covers.3) The tape shall be similar to that used for the protection of ironworks during road resurfacing, and therefore capable of adhering to steel at ambient road temperatures. Minimum thickness of 0,2 mm and minimum breaking load o
32、f 5,8 103kN/mm.4) After laying and the slurry surfacing has set, the sample is removed together with the masking tape from the surface.5) The total mass of the sample and masking tape and area of the sample may be optionally recorded (to an accuracy of 5 %).NOTE 2 It is useful to know the mass per u
33、nit area of the masking tape so that this can be used to calculate the actual slurry surfacing mass.6) Slurry surfacing sample is removed from the masking tape, noting any residual binder or bond coat adhering to the masking tape.7) Samples of slurry surfacing shall be packed and stored so that no c
34、ontamination or damage to the sample takes place.A.2 Sample labellingThe sampling report shall contain the information given in Clause 4.6 BS EN 122741:2018This page deliberately left blankThis page deliberately left blankBSI is the national body responsible for preparing British Standards and other
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