EN 12274-6-2018 en Slurry Surfacing - Test Methods - Part 6 Rate of Application.pdf

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1、BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06Slurry surfacing Test methodsPart 6: Rate of applicationBS EN 122746:2018National forewordThis British Standard is the UK implementation of EN 122746:2018. It supersedes BS EN 122746:2002, which is withdrawn.The UK part

2、icipation 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. Users are responsib

3、le for its correct application. The British Standards Institution 2018 Published by BSI Standards Limited 2018ISBN 978 0 580 93561 9ICS 93.080.20Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards P

4、olicy and Strategy Committee on 31 March 2018.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 122746:2018EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 122746February 2018ICS 93.080.20 Supersedes EN 122746:2002EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROP

5、EN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGCENCENELEC Management Centre: Avenue Marnix 17, B1000 Brussels 2018 CEN Ref. No. EN 122746:2018: EAll rights of exploitation in any form and by any means reserved worldwide for CEN national MembersSlurry surfacing Test methods Part 6: Rate of applicat

6、ionMatriaux bitumineux couls froid Mthode dessai Partie 6: Taux dpandageDnne Asphaltdeckschichten in Kaltbauweise Prfverfahren Teil 6: Bestimmung der EinbaumasseThis European Standard was approved by CEN on 13 November 2017.CEN members are bound to comply with the CEN/CENELEC Internal Regulations wh

7、ich 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 CENCENELEC Management Centre or to any CEN member.This Europ

8、ean 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 official versions.CEN members are

9、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, Malta, Netherlands, Norway, Poland, Portugal, Roma

10、nia, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.English VersionEN 122746:2018 (E)European foreword 31 Scope . 42 Terms and definitions . 43 Principle 44 Procedure. 44.1 Methods based on the separate recording of the constituents . 44.2 Methods based on weighing

11、 the slurry surfacing machine 55 Test report . 56 Precision . 62Contents PageBS EN 122746:2018EN 122746:2018 (E)European forewordThis document (EN 12274-6:2018) has been prepared by Technical Committee CEN/TC 227 “Road materials”, the secretariat of which is held by DIN.This European Standard shall

12、be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by August 2018, and conflicting national standards shall be withdrawn at the latest by August 2018.Attention is drawn to the possibility that some of the elements of this document

13、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 122746:2002.Compared with EN 122746:2002, the following changes have been made:a) Making allowances for residual stocks in 4.1.This European Standard is on

14、e of a series of standards as listed below: EN 122741, Slurry surfacing Test methods Part 1: Sampling EN 122742, Slurry surfacing Test methods Part 2: Determination of residual binder content EN 122743, Slurry surfacing Test methods Part 3: Consistency EN 122744, Slurry surfacing Test methods Part 4

15、: Determination of cohesion of the mix EN 122745, Slurry surfacing Test methods Part 5: Determination of the minimum binder content and wearing resistance EN 122746, Slurry surfacing Test methods Part 6: Rate of application EN 122747, Slurry surfacing Test methods Part 7: Shaking abrasion EN 122748,

16、 Slurry surfacing 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, Es

17、tonia, Finland, 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 122746:

18、2018EN 122746:2018 (E)1 ScopeThis European Standard specifies test methods for determination the average rate of application of slurry surfacing in kilograms per square metre (kg/m2).This European Standard applies to slurry surfacing for roads, airfields and other trafficked areas.2 Terms and defini

19、tionsFor the purposes of this document, the following terms and definitions apply.2.1rate of applicationXtotal mass of slurry surfacing applied divided by the surface of the covered area, determined in kilograms per square metre (kg/m2)2.2rate of application without processing waterYmass of slurry s

20、urfacing applied (without processing water) divided by the surface of the covered area, determined in kilograms per square metre (kg/m2)3 PrincipleThe total mass of slurry surfacing mixture applied to a known area is measured. The mass is determined either by recording each of the mixture constituen

21、ts separately (see 4.1) or by weighing the slurry surfacing machine and determining its mass both before and after laying the slurry surfacing mixture (see 4.2)4 Procedure4.1 Methods based on the separate recording of the constituentsFor a given surface area covered, record the masses of the constit

22、uents: with the delivery tickets. Make an allowance for quantities of residual stocks where appropriate. with continuous recordings, if the slurry surfacing machine is fitted with continuously operating devices to weigh the mass or to measure the volume of the constituents (transform the volume reco

23、rdings into masses using the density of each constituent).Calculate the sum of the masses of the used constituents, M, in kilograms (kg).Measure the surface area covered, A, in square metres (m2).Calculate the rate of application X or Y, in kilograms (kg), using one of the following formulae:whereX

24、is the rate of application of slurry surfacing, expressed in kilograms (kg/m2);M is the sum of the total masses of all the used constituents, expressed in kilograms (kg);A is the covered area expressed in square metres (m2).4 BS EN 122746:2018EN 122746:2018 (E)whereY is the rate of application of sl

25、urry surfacing without processing water, expressed in kilograms (kg/m2);M is the sum of the masses of all the used constituents without processing water, expressed in kilograms (kg);A is the covered area expressed in square metres (m2).4.2 Methods based on weighing the slurry surfacing machineThe to

26、tal rate of application for slurry surfacing can be checked on site by weighing the slurry machine using a fixed or mobile system.Determine the quantity of slurry surfacing materials laid by a machine, M in kilograms (kg), by using the following formula:whereM1 is the mass in kilograms (kg) of the m

27、achine after layingM2 is the mass in kilograms (kg) of the machine before layingMeasure the surface area covered, A in square metres (m2).Calculate the total rate of application X, in kilograms (kg), using the following formula:whereX is the rate of application of slurry surfacing, expressed in kilo

28、grams (kg/m2);M is the sum of the masses of all the used constituents, expressed in kilograms (kg);A is the covered area expressed in square meters (m2).For weighing the slurry machine using a portable system, weighing shall be performed on ground with a resultant slope (crossfall and gradient) smal

29、ler than 3 % (under conditions according to the operating manual of the balance).The portable weighing system shall comprise at least two connected plates, so as to be able to weigh each axle at one time. The size of the plates shall be such that the double wheels can pass over them. The minimum cap

30、acity of the weighing system shall be 15 000 kg. The limit deviation shall be 25 kg for axles up to 2 500 kg, and 50 kg for axles up to 15 000 kg. The system shall provide a recording of the mass per axle as well the date and hour. A printer may be used to provide hard copies.5 Test reportThe report

31、 shall contain:a) reference to this European Standard;b) any deviation from the procedure described in the standard;c) date of application;d) location;5BS EN 122746:2018EN 122746:2018 (E)e) procedure used (4.1 or 4.2);f) masses of all used constituents, expressed in kilograms (kg);g) Sum of the mass

32、es of the used constituents, expressed in kilograms (kg): M or M;h) Covered area expressed in square metres: A (m2);i) rate of application of slurry surfacing: X or Y, expressed in kilograms (kg/m2);j) name and signature of person conducting test.Optional information:k) The binder content of the bit

33、uminous emulsion;l) The water content of the slurry surfacing;m) The theoretical formulation of the slurry surfacing.6 PrecisionStatistical repeatability and reproducibility information is not known.6 BS EN 122746:2018This page deliberately left blankThis page deliberately left blankBSI is the natio

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