SIST EN 1341:2002
(Main)Slabs of natural stone for external paving - Requirements and test methods
Slabs of natural stone for external paving - Requirements and test methods
This European Standard specifies the performance requirements and the corresponding test methods for all natural stone slabs, for external paving use. It provides for product marking and for the evaluation of conformity of the product to this European Standard. This European Standard covers also characteristics that are of importance to the trade. It does not cover internal flooring tiles or slabs nor does it cover the effect of de-icing salts.
Platten aus Naturstein für Außenbereiche - Anforderungen und Prüfverfahren
Diese Europäische Norm enthält die Leistungsanforderungen für sämtliche Natursteinplatten für Außen-
bereiche sowie die entsprechenden Prüfverfahren.
Sie ermöglicht die Produktkennzeichnung und Konformitätsbewertung des Produktes nach dieser Euro-
päischen Norm.
Diese Europäische Norm behandelt außerdem charakteristische Merkmale, die für den Handel von
Bedeutung sind.
Diese Norm behandelt weder Fliesen für den Innenbereich noch die Wirkung von Tausalzen (siehe 4.2).
Dalles de pierre naturelle pour le pavage extérieur - Exigences et méthodes d'essai
La présente Norme européenne spécifie les exigences de performances et les méthodes d'essais correspondantes, relatives a toutes les dalles de pierre naturelle utilisées en revetement de sol extérieur.
Il spécifie le marquage et l'évaluation de conformité des produits a la présent document européen.
La présente Norme européenne précise également les caractéristiques importantes sur le plan commercial.
Il ne traite ni des carreaux ou des dalles pour les dallages intérieurs ni des effets des sels de déverglaçage (voir article 4.2).
Plošče iz naravnega kamna za zunanje tlakovanje - Zahteve in preskusne metode
General Information
Relations
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Platten aus Naturstein für Außenbereiche - Anforderungen und PrüfverfahrenDalles de pierre naturelle pour le pavage extérieur - Exigences et méthodes d'essaiSlabs of natural stone for external paving - Requirements and test methods93.080.20Materiali za gradnjo cestRoad construction materials91.100.15Mineralni materiali in izdelkiMineral materials and productsICS:Ta slovenski standard je istoveten z:EN 1341:2001SIST EN 1341:2002en01-september-2002SIST EN 1341:2002SLOVENSKI
STANDARDSIST EN 1341:20011DGRPHãþD
SIST EN 1341:2002
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 1341December 2001ICS 90.080.20Supersedes EN 1341:2000English versionSlabs of natural stone for external paving - Requirements andtest methodsDalles de pierre naturelle pour le pavage extérieur -Exigences et méthodes d'essaiPlatten aus Naturstein für Außenbereiche - Anforderungenund PrüfverfahrenThis European Standard was approved by CEN on 14 October 2001.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the 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 translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2003 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 1341:2001 ESIST EN 1341:2002
EN 1341:2001 (E)2ContentspageForeword.31Scope.42Normative references.43Terms and definitions.44Requirements.74.1Dimensions.74.2Freeze/thaw resistance.94.3Flexural strength.104.4Abrasion resistance.104.5Slip/Skid resistance.104.6Aspects.104.7Water absorption.114.8Petrographical description.114.9Chemical surface treatment.115Evaluation of conformity.115.1General.115.2Initial type tests.125.3Factory production control.126Acceptance criteria.136.1Sampling.136.2Conformity criteria.137Marking, labelling and packaging.14Annex A (normative)
Measurement of dimensions.15Annex B (informative)
Calculation of breaking loads for slabs.20Annex C (normative)
Measurement of abrasion resistance.21Annex D (normative)
Measurement of unpolished slip resistance value (USRV).29Annex E (normative)
Sampling.36Annex ZA (informative)
Clauses of this European Standard addressing the provisions ofEU Construction Products Directive.37SIST EN 1341:2002
EN 1341:2001 (E)3ForewordThis European Standard has been prepared by Technical Committee CEN/TC 178 "Paving units andkerbs", the secretariat of which is held by BSI.This European Standard shall be given the status of a national standard, either by publication of anidentical text or by endorsement, at the latest by June 2002, and conflicting national standards shallbe withdrawn at the latest by September 2003.This European Standard supersedes EN 1341:2000.This European Standard has been prepared under a mandate given to CEN by the EuropeanCommission and the European Free Trade Association, and supports essential requirements of EUDirective(s).For relationship with EU Directive(s), see informative annex ZA, which is an integral part of thisstandard.According to the CEN/CENELEC Internal Regulations, the national standards organizations of thefollowing countries are bound to implement this European Standard : Austria, Belgium, CzechRepublic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg,Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom.SIST EN 1341:2002
EN 1341:2001 (E)41 ScopeThis European Standard specifies the performance requirements and the corresponding test methodsfor all natural stone slabs, for external paving use.It provides for product marking and for the evaluation of conformity of the product to this EuropeanStandard.This European Standard covers also characteristics that are of importance to the trade.It does not cover internal flooring tiles or slabs nor does it cover the effect of de-icing salts(see clause 4.2).2 Normative referencesThis European Standard incorporates by dated or undated reference provisions from otherpublications. These normative references are cited at the appropriate places in the text and thepublications are listed hereafter. For dated references subsequent amendments to or revisions of anyof these publications apply to this European Standard only when incorporated in it by amendment orrevision. For undated references, the latest edition of the publication referred to applies (includingamendments).EN 12371, Natural stone tests methods— Determination of frost resistanceEN 12372, Natural stone test methods — Determination of flexural strength under concentrated loadEN 12407, Natural stone test methods — Petrographic descriptionEN 10083-2:1996, Quenched and tempered steels — Part 2: Technical delivery conditions forunalloyed quality steelsEN 13755, Natural stone test methods — Determination of water absorption at atmospheric pressure3 Terms and definitionsFor the purposes of this European Standard the following terms and definitions apply:3.1slabany unit of natural stone used as a paving material, in which the working width exceeds 150 mm andalso generally exceeds two times the thickness3.1.1riven slabslab with split face3.1.2textured slabslab with a modified appearance resulting from one or several surface treatments (for examplemechanical or thermal)3.2upper facesurface of a slab intended to be seen when in useSIST EN 1341:2002
EN 1341:2001 (E)53.3side facesurfaces of a slab intended to be vertical in use3.4work dimensionany dimension of a slab specified for its manufacture to which the actual dimension should conformwithin specified permissible deviations3.5actual dimensionany dimension of a slab as measured3.6thicknessdistance between the upper face and the bedface of the slab3.7overall lengththe longer side of the rectangle with the smallest length able to enclose the slab3.8overall widththe shorter side of the rectangle with the smallest area able to enclose the slab3.9fine texturedsurface treatment with a maximum difference of 0,5 mm between peaks and depressions (for examplepolished, honed or sawn with a diamond disc or blade)3.10honeddull polish or matt surface3.11coarse texturedsurface treatment with more than 2 mm difference between peaks and depressions (for example dollypointed, tooled, shot blasted or flame textured)3.12dolly pointedfinish consisting of peaks and depressions achieved by using a four pointed dolly bit3.13tooledfinish resulting from mechanical surface treatment and showing tool marks3.14arrissharp edge produced by the meeting of two surfaces3.15chamferbevelled arris as shown in Figure 1SIST EN 1341:2002
EN 1341:2001 (E)621Key1Rounded arris2Bevelled arrisFigure 1 — ChamferSIST EN 1341:2002
EN 1341:2001 (E)74 Requirements4.1 Dimensions4.1.1
GeneralThe supplier shall state the work dimensions of each slab that is tested, unless supplied in randomsizes. Where supplied in running lengths, only the widths and thickness shall be stated.Dimensions shall be measured in accordance with annex A.4.1.2 Permissible deviations4.1.2.1 Plan dimensions (excluding slabs with irregular plan form)When measured in accordance with A.2 or A.3, the deviation from the work plan dimensions shallconform to those in Table 1.Table 1 — Deviations on plan dimensionClass 1Class 2Marking DesignationP1P2Sawn edges
700 mm 4 mm 2 mmSawn edges
700 mm 5 mm 3 mmRiven edges 10 mm 10 mmWhen measured in accordance with A.2 or A.3, the maximum difference between the measurement ofthe two diagonals of a rectangular slab shall not exceed the values given in Table 2.Table 2 — Deviations on diagonalsClassDiagonalDifferenceMarking DesignationD1D21 7006 mm7008 mm2 7003 mm7006 mm4.1.2.2 ThicknessWhen measured in accordance with A.4, the deviation from the work thickness of textured slabs shallconform to Table 3.SIST EN 1341:2002
EN 1341:2001 (E)8Table 3 — Deviation on thicknessTextured slabsClass 0Class 1Class 2Marking DesignationT0T1T2 30 mm thickNo requirement 3 mm 10 %30 mm < thickness
60 mmfor thicknessmeasurement 4 mm 3 mm 60 mm thick 5 mm 4 mmFor riven slabs there is no requirement but a producer may declare appropriate permissible deviationsmeasured in accordance with A.4.4.1.2.3 Face irregularitiesWhen measured in accordance with A.5 the face irregularities on riven slabs shall be a maximum of20 mm above work thickness and not below work thickness.4.1.2.4 Flatness and straightness4.1.2.4.1 ArrisesWhen measured in accordance with A.6 the flatness deviation along the arrises of textured slabs shallconform to Table 4.Table 4 — Deviation on flatness along arrisesLongest test straightedge0,5 m1 m1,5 mFine textured face 2 mm 3 mm 4 mmCoarse textured face 3 mm 4 mm 6 mm4.1.2.4.2 FacesWhen measured in accordance with A.6 the deviations from flatness and bow shall conform to Table 5unless the surface is riven in which case the supplier/manufacturer shall supply information ondeviations.SIST EN 1341:2002
EN 1341:2001 (E)9Table 5 — Deviation on flatness for facesFine textureGauge lengthaMax. convex deviationMax. concave deviation(mm)(mm)(mm)3002,01,05003,02,08004,03,010005,04,0Coarse textureGauge lengthaMax. convex deviationMax. concave deviation(mm)(mm)(mm)3003,02,05004,03,08005,04,010008,06,0a See Figure A.1.4.1.2.5 ArrisesArrises described as square or sharp may have a bevel with horizontal or vertical dimensions notexceeding 2 mm at the manufacturer’s discretion.When slabs are supplied with a chamfered or rounded arris, the dimensions shall be declared by theproducer and the vertical and horizontal dimension shall be within
2 mm of the declared dimensions.4.2 Freeze/thaw resistanceThe producer shall declare the freeze/thaw resistance of the stone in accordance with Table 6 whentested in accordance with EN 12371.The number of cycles shall be 48. The test is carried out todetermine the effect of freeze/thaw cycles on performance characteristics (EN 12372 flexuralstrength).For some specific uses it may be appropriate to use different test cycles, for example freezing inwater, freezing to a lower temperature, or testing specimens embedded in non-porous siliceousgranules or a different number of cycles. In these cases national specification standards may befollowed but these variations shall be clearly stated in the test report.If there is no requirement for freeze/thaw resistance or no performance has been determined, thenthis shall be stated.SIST EN 1341:2002
EN 1341:2001 (E)10Table 6 — Freeze/thaw resistanceClassClass 0Class 1Marking designationF0F1RequirementResistantNo requirements for freeze/thawresistance( 20% change in flexuralstrength)4.3 Flexural strengthThe producer shall declare a flexural strength in megapascals (MPa) as the minimum value expectedfor individual test specimens when tested in accordance with EN 12372. If no performance has beendetermined this shall be stated.NOTEGuidance on the appropriate breaking load for different classes of use is given in annex B.4.4 Abrasion resistanceThe producer shall declare the abrasion resistance (length of chord in millimetres (mm)) as themaximum value expected for individual test specimens when tested in accordance with annex C. If noperformance has been determined this shall be stated.4.5 Slip/Skid resistanceThe producer shall declare the minimum Unpolished Slip Resistance Value (USRV) expected forindividual test specimens of fine textured slabs when tested in accordance with annex D. If noperformance has been determined this shall be stated.If a national requirement on durability of slip/skid resistance exists, this requirement shall bedetermined as described in the national standard valid in the country where this requirement isoperational.NOTE 1Coarse textured and riven slabs are assumed to give satisfactory slip resistance. They cannot bereliably tested.NOTE 2The unpolished slip resistance value relates to slabs as manufactured and helps to ensure adequateslip/skid resistance on installation.NOTE 3Experience has indicated that a USRV measurement made using a wide slider / full swing on a TRLtype pendulum that is greater than 35 can usually be considered safe.4.6 Aspects4.6.1 AppearanceStone is a naturally occurring material giving rise to variations in colour, veining and texture, therefore,general characteristics of the appearance may be given by one or more specimens (see 4.6.2).SIST EN 1341:2002
EN 1341:2001 (E)114.6.2 Reference sampleA reference sample shall be a number of pieces of natural stone of sufficient size to indicate theappearance of the finished work. The dimensions shall be between 0,01 m2 and 0,25 m2 in face areaand shall indicate the approximate appearance regarding the colouring, the vein pattern, the physicalstructure and face finish.It shall show the general tonality and finish of the natural stone, but does not imply any total uniformityin colour and veins between the sample and supply.The reference sample shall be provided and delivered to the customer as an indication to showspecific characteristics such as holes for travertine, worm holes for marble, glass seams, spots,crystalline veins and rusty spots of the offered materials.NOTEThese characteristics should not be considered as flaws and should not be used as a reason forrejection.The name and address of the producer or the supplier shall be indicated on the sample as well asidentification of the material including trade name, petrographic name, country of origin and extractionarea.Reference samples shall also show the surface finish proposed.Any comparison between test and reference samples shall be carried out by placing the referencesample against the test specimens and viewing them at a distance of two metres under normallighting conditions and recording any visible differences in appearance, texture or colour.4.7 Water absorptionWhere required the producer shall declare the water absorption (% by mass) as the maximum valueexpected for individual specimens when tested in accordance with EN 13755.4.8 Petrographical descriptionThe producer shall provide a petrographical description, including a petrographic name, of the stonetype, in accordance with EN 12407.4.9 Chemical surface treatmentThe producer/supplier shall declare if the product has been subjected to a chemical surface treatmentand what the treatment was.5 Evaluation of conformity5.1 GeneralThe compliance of this product with the requirements of this standard and with the declared values orclasses for the current properties shall be demonstrated by carrying out initial testing and factoryproduction control. Where tests have previously been done in conformity with the requirements of thisstandard (same product, same characteristic, test method and sampling method) the results may betaken into account for initial type testing.The value declared shall be representative of the current production, for example the lowest expectedvalue or the minimum test value in normal production.SIST EN 1341:2002
EN 1341:2001 (E)125.2 Initial type testsWhen a product shall first demonstrate conformity with this standard, for example when a new producttype is developed, and before offering it for sale, appropriate tests shall be carried out to confirm thatthe properties of the product meet the requirements of this standard and the values to be declared forit by the producer. Whenever a significant change occurs in the raw material or the productionprocess which could change the properties of the finished product, this shall be considered asconstituting a new product type.The type tests shall be the reference tests called up in this standard for the properties selected fromthe following list consistent with the product type’s intended use: dimensions; flatness of surface; freeze/thaw resistance; flexural strength; abrasion resistance; slip resistance; aspects (for example visual appearance); water absorption; petrographic description; surface treatment.The results of the initial tests shall be recorded.5.3 Factory production controlA factory production control system shall be established and documented prior to commencingproduction. The factory production control system shall consist of procedures for the internal control ofproduction to ensure that products placed on the market conform with this standard and themanufacturer’s declared values.The internal control shall consist of regular inspection checks and tests and the utilisation of theresults to control incoming materials, equipment, the production process and the finished product.5.3.1 Raw materialsSpecifications of all incoming materials and the procedures to be operated to ensure that they complyshall be documented.5.3.2 Production processThe relevant features of the plant and production process shall be defined, giving the frequency of theinspection checks and tests, together with the criteria required both on equipment and on work inprogress. The action to be taken when control values or criteria are not met shall be given. Weighingand measuring equipment shall be calibrated and the procedure, frequency and criteria stated.SIST EN 1341:2002
EN 1341:2001 (E)135.3.3 Finished product testingA sampling plan for the testing of finished products shall be defined and the results shall be recordedand available for inspection. When alternative tests to the reference tests are used for the testprocedure their correlation to the reference test shall be available for inspection. All test equipmentshall be calibrated and the procedure, frequency and criteria stated.5.3.4 Stock controlThe stock control of finished products, together with procedures for dealing with non-conformingproducts, shall be detailed.6 Acceptance criteria6.1 SamplingThe sampling procedure from a batch to establish its conformity to this standard and themanufacturer’s declared range of values shall be in accordance with annex E.6.2 Conformity criteria6.2.1 DimensionsWhen tested in accordance with annex A, the mean value of the measurements taken of any onedimension on a single slab shall not vary from the manufacturer’s declared work dimension by morethan the permissible deviations given in 4.1.2.1 and 4.1.2.2 for the declared class. The maximumdifference between the measurements of the two diagonals of any one slab shall not exceed the valuegiven in 4.1.2.1 for the declared class.6.2.2 Freeze/thaw resistanceWhen tested in accordance with EN 12371 the results for any of the test specimens shall be not lessthan the declared value.6.2.3 Flexural strengthWhen tested in accordance with EN 12372 the results for all of the test specimens shall be not lessthan the declared value.6.2.4 Abrasion resistanceWhen tested in accordance with annex C the results for all of the test specimens shall be not greaterthan the declared value.6.2.5 Slip resistanceWhen tested in accordance with annex D the results for all of the test specimens shall be not lessthan the declared value.6.2.6 FlatnessWhen tested in accordance with annex A, no individual measurement of the deviation from a planeshall exceed the value given in 4.1.2.4.SIST EN 1341:2002
EN 1341:2001 (E)147 Marking, labelling and packagingSlabs shall be packed in a manner to avoid damage in transit, and any metal banding used shall becorrosion resistant.The following information shall be supplied either on the packaging, or on the delivery note:a) the petrographical name of the stone;b) the commercial name of the stone;c) the name and address of the supplier;d) the name and location of the quarry;e) the name, number and date of this standard;f) the declared value or marking designation classes (see clause 4);g) other information, for example surface chemical treatments.Where the marking requirements of ZA.3 require the same information as in this clause, such markingshall be considered to meet the requirements of this clause.SIST EN 1341:2002
EN 1341:2001 (E)15Annex A (normative)Measurement of dimensionsA.1 Preparation of specimensRemove all burrs etc, from the slab to be measured.A.2 Plan dimension (for sawn edge slabs only)A.2.1 ApparatusMeasurement equipment with an accuracy of 0,5 mm.A.2.2 ProcedureMeasure the length of slab near to the top and bottom of the slab on both sides, record the fourresults and calculate the mean. Measure the width of the slab near to the top and bottom of the slabon both sides, record the four results.Measure the diagonals of the slab and record the difference between the two dimensions to thenearest millimetre.A.3 Plan dimension (for riven or hewn edge slabs only)A.3.1 ApparatusA.3.1.1 Measuring equipment with an accuracy of 0,5 mm.A.3.1.2 Rectangular box with one pair of adjoining sides moveable or equivalent apparatus.A.3.2 ProcedurePlace the slab on the base of the box, press the movable box sides against the sides of the slab andmeasure the slab dimensions to the nearest millimetre.A.4 Thickness (for textured flags)A.4.1 ApparatusMeasuring equipment with an accuracy of 0,5 mm.A.4.2 ProcedureMeasure the thickness of the slab at four points 30 mm from the corners. Record the four results andcalculate and record the mean and record the two extreme values, all to the nearest millimetre.SIST EN 1341:2002
EN 1341:2001 (E)16A.5 Face irregularityA.5.1 ApparatusA.5.1.1 A profile gauge or equivalent apparatus (see Figure A.1)A.5.1.2 Measuring equipment with an accuracy of 0,5 mm.A.5.2 ProcedureProceed as follows:a) Place the slab to be measured on a level surface.b) Set the needle support on the spacer leveller and press the needles down onto the base.c) With the measuring equipment measure and record the distance of the needles to the needlesupport in millimetres (mm).d) Divide the slab area into four imaginary areas and with the profile guide in one of these areas,press all the needles down onto the surface.e) Remove the profile gauge and with the ruler measure and record the highest and lowest pointsfrom the profile guide support in millimetres (mm).f) Subtract measurement c) from measurement d) to calculate the maximum and minimum profiles.g) Repeat in the other three areas and record the four answers.A.6 Flatness and straightness (for textured slabs)A.6.1 ApparatusSteel notched straightedges and apparatus of dimensions appropriate to the slab size, for examplegauge blocks (see Figure A.2).A.6.2 ProcedurePlace the largest appropriate straight edge across the whole slab. The slab does not conform to thisstandard if:a) the straightedge rocks on a contact between the slab and the straightedge; orb) the calibrated apparatus can be passed between the slab and the straight edge at any point.A.7 Test reportThe test report shall include the following information:a) name and address of testing laboratory and location where the test was carried out whendifferent from the address of the testing laboratory;b) the number, title and date of issue of this standard;SIST EN 1341:2002
EN 1341:2001 (E)17c) a description of the units or specimens tested to the relevant standard;d) unique identification of report (such as serial number) and of each page, and total number ofpages of the report;e) name and address of client;f) date of receipt of test units or specimens and date(s) of performance of tests;g) identification of the test specification or description of the method or procedure;h) description of sampling procedure, where relevant;i) any deviations, additions to or exclusions from the test specification, and any other informationrelevant to a specific test;j) identification of any non-standard test method or procedure utilized;k) A description of the sample including: the petrographic name of the stone; the commercial name of the stone; the name and address of the supplier; the name and location of the query; the direction of any bedding or anisotropic features.l) the results of measurements A.2, A.3, A.4, A.5 and A.6;m) a statement on measurement uncertainty (where appropriate);n) a signature and title or equivalent marking of persons(s) accepting technical responsibility for thetest report and date of issue;o) a statement that the test results relate only to the units or specimens tested;p) a statement that the report can not be reproduced except in full without the written approval of thetesting laboratory.SIST EN 1341:2002
EN 1341:2001 (E)180123456789101112131415Figure A.1 — Profile gaugeSIST EN 1341:2002
EN 1341:2001 (E)19XYA505252525KeyNotched straight edgeGauge blockNOTEDimensions shown are work dimensions and are in millimetresFigure A.2 — Example of a notched straight edge and gauge blockSIST EN 1341:2002
EN 1341:2001 (E)20Annex B (informative)Calculation of breaking loads for slabsThe strength of a slab should be determined by calculating the minimum breaking load P (in kN) fromthe equation:6,115002LWtRPtf(B.1)where:Rtfis the flexural stress (MPa)Wis the width of the slab (mm)tis the thickness of the slab (mm)Lis the length of the span (mm)Pis the breaking load (kN)NOTE 1The value 1,6 is included as a safety factor.NOTE 2All dimensions are work dimensions and the equation is valid up to a maximum of 900 mm.Alternatively, the required slab thickness in millimetres (mm) for any given class of use can becalculated from the equation:WRLPttf15006,1(B.2)Suggested breaking loads for different classes of use are given in Table B.1 or may be given in moredetail where necessary.Table B.1 — Breaking loadClassBreaking load (min)Typical usekN0No requirementDecoration10,75Slabs bedded in mortar, pedestrian area only23,5Pedestrian and cycles areas. Gardens, balconies36,0Occasional car, light vehicle and motorcycle access.Garage entrances.49,0Walking areas, market places occasionally used bydelivery vehicles and emergency vehicles514,0Pedestrian areas often used by heavy lorries625,0Roads and streets, petrol stationsSIST EN 1341:2002
EN 1341:2001 (E)21Annex C (normative)Measurement of abrasion resistanceC.1 Principle of wide wheel abrasion testThe test is carried out by abrading the upper face of a slab with an abrasive material under standardconditions.C.2 Abrasive materialThe abrasive required for this test is corundum (white fused alumina) with grit size of 80 specified inFEPA 42 F:19841). It shall not be used more than three times.C.3 ApparatusC.3.1The wearing machine (see Figure C.1) is essentially made of a wide abrasion wheel, astorage
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.