1、 STD-BSI BS EN IS0 7b3-2-ENGL L97b D Lb24bb9 0575094 277 BRITISH STANDARD Geotextiles and geotextile-related products - Determination of thickness at specified pressures Part 2. Procedure for determination of thickness of single layers of multilayer products The European Standard EN IS0 9863-2 : 199
2、6 has the status of a British Standard ICs 59.080.70 BS EN IS0 3863-2 : 1996 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW STD.BSI BS EN IS0 98b3-2-ENGL 1796 m LbZLIbb 0575095 LO3 m AmdNo. Da BS EN IS0 9863-2 1996 Text affected Committees responsible for this British Standar
3、d The preparation of this British standard was entrusted to Technical Committee TCI5, Geotextiles, upon which the following bodies were represented: Association of Consulting Engineers British Geotechnical Society British Polyolefh Textiles Association British Textile Technology Group Chemical Indus
4、tries Association Department of the Environment (Building Research Establishment) Department of ?kansport (%-ansport Research Laboratory) Department of lkmsport (Highways Agency) ERA Technology Ltd. Federalion of Civil Engineering Contractors Instut of Asphalt Technology Institute of Wastes Manageme
5、nt Institution of Chemical Engineers Institution of Cid Engineers National Rivers Authority Society of Engineers Incorporated This British Standard, having been prepared under the direction of the Sector Board for Materiais and Chemicals, was published under the authority of the Standards Board and
6、comes into effect on 15 December 1996 O BSI 1996 The following BSI references relate to the work on this standard Committee reference TCIB5 Draft announced in BSI Upate January 1994 ISBN O 680 26768 7 STDmBSI BS EN IS0 78b3-2-ENGL 177b = 1b24bb9 057507b 04T BS EN IS0 9863-2 : 1996 Contents page Comm
7、ittees responsible Inside front cover National foreword U Foreword 2 Method 1 Scope 3 2 Normative references 3 3 Principle 3 4 APP- 6 Testspecimens 6 Procedure 7 8 Testreport Calculation and expression of results Anneis A (informative) Bibliography 8 ZZ Figures 1 2 (iormative) Corresponding Internat
8、ional and European Standards for which equivaients are not given in the text 8 Example of apparatus for determination of thickness of singie iayers of multilayer products 6 Example showing a gauge line, median lines, and measuring points 7 * vi * O BSI 1996 1 STD.BSI BS EN IS0 9b3-2-ENGL L99b Lb24bb
9、7 057.5097 Tb BS EN IS0 9863-2 : 1996 National foreword This British Standard has been prepared by Technical Committee TCI/35 and is the English ianguage version of EN IS0 9WZ : 1996 Geotata and geotextik-related products -Determination of th.iclmess at specif2edpressures -Part 2: hedure for determi
10、nation of ULiclCness of single layers of multayerproducts published by the European Committee for Standardization (CEN). This standard is identical with IS0 9863-2 published by the International Organization for Standardization (ISO). EN IS0 9863-2 was prepared as a result of international discussio
11、ns in which the UK took an active part. Cross-reference Publication referred to Corresponding British Standard BS EN 963 : 1995 Geotexta and geotate-related pmducts - Sampling and prepamtion of ME EUR0PEE”E EUROP- NORM EN IS0 98632 AW 1996 ICs 59.080.70 Descriptors: Tedes, iter fabrics, tests, thick
12、ness measurements, test pressure English version Geotedes and geotextile-related products - Determination of thickness at specified pressures Part2: Procedure for determination of thickness of single layers of multilayer products (IS0 9863-2 : 1996) Gotextiles et produits apparents - Dtermination de
13、 lpaisseur des pressions prescrites Drcken Partie 2: Mthode de dtermination de lpaisseur des couches individuelles de produits multicouches (IS0 98632 : 1996) (IS0 9863-2 : 1996) Geotextilien und geotextiiverwandte Produkte - Bestimmung der Dicke unter festgelegten Teil 2: Verfahren zur Bestimmung d
14、er Dicke der Einzeagen von mehrlagigen Produkten This European Standard was approved by CEN on 19!%02-19. CEN members are bound to comply with the CENKENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration
15、. Upto-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat 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
16、under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officia versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, My, Luxembourg, Netherla
17、nds, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1060 Brussels _ O 1996 Copyright reserved to CEN members Ref. No. EN IS0 9863-2 :
18、1996 E STD-BSI BS EN IS0 78b3-2-ENGL L77b m Lb24bb7 0575077 857 m Page 2 EN IS0 9863-2 : 1996 Foreword The text of EN IS0 9863-2 : 1996 has been prepared by Technical Committee CENm 189, Geotextiles and geotextile-related products, the secretariat of which is held by IBN, in coliabomtion with Techni
19、cal Committee ISOlC 38, Textiies. This European Standard shall be given the status of a domi standard, either by publication of an identical text or by endorsement, at the latest by Febniary 1997, and conflicting standards shall be withdrawn at the Latest by February 1997. According to the CENKENELE
20、C Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standara Austria, Belgium, Denmark, Finland, France, Gemany, Greece, Iceland, ireland, Itay, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the Unit
21、ed Kingdom. O BSI 1996 Page 3 EN IS0 9863-2 : 1996 1 Scope This part of EN IS0 9863 specifies a method for determination of the thickness of single layers of multilayer products at specified pressures. 2 Normative references This European Standard incorporates by dated or undated reference provision
22、s from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or-revisions of any of these publications apply to this European Standard only when incorporated in it by am
23、endment or revision. For undated references, the latest edition of the publication referred to applies. EN 963 EN 964-1 EN 30320 IS0 554 Geotextiles and geotextile-related products - Sampling and preparation of test specimens Geotextiles and geotextile-related products - Determination of thickness a
24、t specified pressures - Part 1 : Single layers Geotextiles - Identification on site (IS0 10320: 1991 ) Standard atmosperes for conditioning and/or testing - Specifications * ic The thickness of the individual layers of a specimen is measured under a specified pressure without the layers being mechan
25、ically separated. This requires prior rn determination of the mean.value of the total thickness of the multilayer product at the desired pressure in accordance with EN 964-1. 4 Apparatus 4.1 The apparatus (see figure I) shall satisfy the following conditions: - The apparatus shall consist of a frame
26、 with a fixed, flat lower plate and a movable flat upper plate of the same size. - The lower and upper plates shall be rectangular. - The upper plate shall be capable of being fixed at any position of its travel. - Lower and upper plates shall be so rigid that they do not deflect by more than Oll mm
27、, measured over an area equivalent to that of the specimen, under the desired pressure. - Four smooth intermediate identical plates are required of minimum 1 ,O mm thickness. They shall be sufficiently rigid not to deflect during the tests and their area and shape shall be the same as those of the s
28、pecimens. Page 4 EN IS0 9863-2 : 1996 - The frame shall be sufficiently high to accommodate a pile of five multilayer specimens and four intermediate plates between the lower and upper plates. 4.2 A device for measuring distance, accurate to O, 1 mm. 5 Test specimens 5.1 Sampling Take samples in acc
29、ordance with EN 963. 5.2 Number and dimensions Cut five rectangular specimens (200 mm x 300 mm) from the sample. If this size is not representative of the product other more representative dimensions may be chosen. NOTE: It is suggested that test specimens identical to those prepared for the tensile
30、 test in accordance with EN IS0 10319 be used. 5.3 Specimen conditions The specimens shall be clean, and conditioned in accordance with IS0 554. 6 Procedure 6.1 aligned retaining the sequence of the layers to form a pile. Place one separator plate between each specimen with one side exactly aligned
31、with the specimen faces. Place the upper plate in position, again with one side exactly aligned. Lay five conditioned specimens on top of one another, with one side exactly 6.2 to five times the mean value of thickness of the multilayer product previously measured at the specified pressure with an a
32、ccuracy of 0,l mm in accordance with EN 964-1. Make allowance for the separator plates by adding their thickness to the value calculated. Fix the upper plate at each corner. The distance from the lower plate is equal I 6.3 face of the pile, perpendicular to both the lower and upper plates and evenly
33、 distributed over the face, the lines being at le b) the standard atmosphere used; c) a description of the geotextile tested in accordance with the standard of identification (see EN 30320); d) thickness of the specimens and their individual layers; e) details of apparatus used including specimen di
34、mensions; f) the pressure used; g) any deviation from the standard. STD-BSI BS EN IS0 78b3-2-ENGL L77b M Lb24bb7 0575LU3 OUT 1 L , Page 6 EN IS0 9863-2 : 1996 l Al-. - ,-I= 1, I I I I I I II u I III ! I I, 6 L- I !I III I 5 II A-A al Figure 1. Example of apparatus for determination of thickness of s
35、ingle layers of multilayer products 1 locking nuts 2 fixing screw 3 upper plate 4 guide rod 5 separation plate 6 specimen 1 7 lower plate 8 plan area of specimens a) aligned edges of specimens and plates STD-BSI BS EN IS0 7b3-2-ENGL L77b Lb24bbS 0575304 T4b Page 7 EN IS0 9863-2 : 1996 X 10 14 *I I 2
36、10 mmlIO rnrn 11 13 4 4 rn Figure 2: Example showing a gauge line, median lines, and measuring points (detail X from figure 1) 10 gauge line 11 12 13 median lines 14 measuring points lower face of separator plate upper face of separator plate STD-BSI BS EN IS0 78b3-2-ENGL 177b = Zb24bb7 0575105 982
37、= Page 8 EN IS0 9863-2 : 1996 Annex A (Informative) Bibliography EN IS0 10319 Geotextiles - Wide-width tensile test Annex 22 (informative) Corresponding International and European Standards for which equivalents are not given in the text At the time of publication of this part of IS0 9863, the editi
38、on of the following document was valid. All standards are subject to revision, and parties to agreements based on this part of IS0 9863 are encouraged to investigate the possibility of applying the most recent edition of the document indicated below. Members of IS0 and IEC maintain registers of curr
39、ently valid International Standards. EN 963 IS0 9862:1990, Geotextdes - Sampling and preparation of test specimens. STD-BSI BS EN IS0 78b3-2-ENGL L77b Lb2LibbS 0575LUb AL7 BS EN IS0 9863-2 : 1996 List of references See national foreword. 0 BSI 1996 STD-BSI BS EN IS0 7b3-2-ENGL L77b m Lb24bb7 0575107
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