BS EN 12274-8-2005 Slurry surfacing - Test methods - Visual assessment of defects《泥浆表面修整 试验方法 缺陷的目视评估》.pdf
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1、BRITISH STANDARD BS EN 12274-8:2005 Slurry surfacing Test methods Part 8: Visual assessment of defects The European Standard EN 12274-8:2005 has the status of a British Standard ICS 93.080.20 BS EN 12274-8:2005 This British Standard was published under the authority of the Standards Policy and Strat
2、egy Committee on 14 December 2005 BSI 14 December 2005 ISBN 0 580 47265 5 National foreword This British Standard is the official English language version of EN 12274-8:2005. The UK participation in its preparation was entrusted by Technical Committee B/510, Road materials, to Subcommittee B/510/2,
3、Surface dressings, sprays and slurry surfacings, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related internatio
4、nal and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found i
5、n the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsi
6、ble for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 22, an inside back cover and a back cover. The BSI copyright not
7、ice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN122748 September2005 ICS93.080.20 EnglishVersion SlurrysurfacingTestmethodsPart8:Visualassessmentof defects Materiaux
8、bitumineuxcoulsafroidMthodesdessai Partie8:Evaluationvisuelle DnneAsphaltschichteninKaltbauweisePrfverfahren Teil8:AugenscheinlicheBeurteilung ThisEuropeanStandardwasapprovedbyCENon4August2005. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEur
9、opean Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcerningsuchnational standardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlangua
10、gemadebytranslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusastheofficial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France, Germany,Greece,Hungary,Iceland,Ireland,Italy
11、,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,Slovakia, Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2005CEN Allrightsofexploitatio
12、ninanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN122748:2005:EEN 12274-8:2005 (E) 2 Contents Page Foreword 3 1 Scope .4 2 Normative references .4 3 Terms, definitions and symbols 4 4 Visual assessment of defects 6 5 Expression of Results 10 6 Test report .12 Annex A (normativ
13、e) Qualitative assessment Estimated “drive-over“ method 13 Annex B (normative) Quantitative assessment Measured method15 Annex C (informative) Photographs of defects 16 Bibliography.22 EN 12274-8:2005 (E) 3 Foreword This European Standard (EN 12274-8:2005) has been prepared by Technical Committee CE
14、N/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 March 2006, and conflicting national standards shall be withdrawn at the latest
15、by March 2006. This European Standard is one of a series of standards as listed below: EN 12274-1, Slurry surfacing Test methods Part 1: Sampling for binder extraction. EN 12274-2, Slurry surfacing Test methods Part 2: Determination of residual binder content. EN 12274-3, Slurry surfacing Test metho
16、ds Part 3: Consistency. EN 12274-4, Slurry surfacing Test methods Part 4: Determination of cohesion of the mix. EN 12274-5, Slurry surfacing Test methods Part 5: Determination of wearing. EN 12274-6, Slurry surfacing Test methods Part 6: Rate of application. EN 12274-7, Slurry surfacing Test methods
17、 Part 7: Shaking abrasion test. EN 12274-8, Slurry surfacing Test methods Part 8: Visual assessment of defects. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus,
18、Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EN 12274-8:2005 (E) 4 1 Scope This European Standard s
19、pecifies qualitative and quantitative test methods of the visual assessment of defects of slurry surfacing. This European Standard is applicable to all slurry surfacing (roads, airfields and other areas). The visual assessment reports for both methods have identical records and thus both may be used
20、 to check the specification for visual assessment of defects. Defects emanating from the substrate (existing road) must not be taken into consideration. NOTE 1 The qualitative and quantitative tests may be used separately or sequentially. This may relate to different types of sites (for example ligh
21、tly trafficked roads may not be required to be quantitatively assessed). NOTE 2 The test may be used to evaluate the durability of slurry surfacing. 2 Normative references The following referenced documents are indispensable for the application of this European Standard. For dated references, only t
22、he edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 13036-1, Road and airfield surface characteristics Test methods Part 1: Measurement of pavement surface macrotexture depth using a volumetric measurement patch techn
23、ique 3 Terms, definitions and symbols For the purposes of this European Standard, the following terms, definitions and symbols apply. 3.1 Terms and definitions 3.1.1 defect state of a slurry surfacing where the material is affected by one or more of the effects defined in this European Standard (see
24、 3.1.2 to 3.1.13). 3.1.2 bleeding, fatting up and tracking appearance of free binder at the surface NOTE This may be due to the binder migrating to the surface (bleeding) or to coarse aggregate migrating downwards (fatting up) or a combination of the two, it is often difficult to visually separate t
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