1、May 2013 Translation by DIN-Sprachendienst.English price group 11No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 93
2、.030!%$*_“2010760www.din.deDDIN EN 295-5Vitrified clay pipe systems for drains and sewers Part 5: Requirements for perforated pipes and fittings;English version EN 295-5:2013,English translation of DIN EN 295-5:2013-05Steinzeugrohrsysteme fr Abwasserleitungen und -kanle Teil 5: Anforderungen an gelo
3、chte Rohre und Formstcke;Englische Fassung EN 295-5:2013,Englische bersetzung von DIN EN 295-5:2013-05Systmes de tuyaux en grs vitrifi pour les collecteurs dassainissement et lesbranchements Partie 5: Exigences applicables aux tuyaux perfors et raccords;Version anglaise EN 295-5:2013,Traduction angl
4、aise de DIN EN 295-5:2013-05Supersedes DIN EN 295-5:1999-03;together with DIN EN 295-1:2013-05, DIN EN 295-2:2013-05, DIN EN 295-4:2013-05, DIN EN 295-6:2013-05and DIN EN 295-7:2013-05 supersedes DIN EN 295-10:2005-05Supersedes: see belowwww.beuth.deDocument comprises 19 pagesIn case of doubt, the G
5、erman-language original shall be considered authoritative.04.13DIN EN 295-5:2013-05 2 A comma is used as the decimal marker. Start of application It should be noted that, in Germany, CE conformity marking of construction products will be permitted once this standard has been listed in the Official J
6、ournal of the European Union and/or the Bundesanzeiger (German Federal Gazette) and from the date given therein. For further information, users of this standard should refer to the websites of the European Commission or of the relevant building authority. National foreword This document (EN 295-5:20
7、13) has been prepared by Technical Committee CEN/TC 165 “Waste water engineering” (Secretariat: DIN, Germany). The preliminary work was done by Working Group WG 2 “Vitrified clay pipes”. The responsible German body involved in its preparation was the Normenausschuss Wasserwesen (Water Practice Stand
8、ards Committee), Working Committee NA 119-05-07 AA Steinzeugrohre. Amendments This standard differs from DIN EN 295-5:1999-03 and DIN EN 295-10:2005-05 as follows: a) requirements for the resistance to high pressure water jetting have been added; b) requirements for water absorption have been added;
9、 c) requirements for the reaction to fire have been added; d) Annex ZA has been added; e) the standard has been editorially revised and brought in line with the current rules of presentation. Previous editions DIN EN 295-5: 1994-08, 1999-03 DIN EN 295-10: 2005-05 EUROPEAN STANDARD NORME EUROPENNE EU
10、ROPISCHE NORM EN 295-5 February 2013 ICS 93.030 Supersedes EN 295-10:2005, EN 295-5:1994English Version Vitrified clay pipe systems for drains and sewers - Part 5: Requirements for perforated pipes and fittings Systmes de tuyaux en grs vitrifi pour les collecteurs dassainissement et les branchements
11、 - Partie 5: Exigences applicables aux tuyaux perfors et raccords Steinzeugrohrsysteme fr Abwasserleitungen und -kanle -Teil 5: Anforderungen an gelochte Rohre und FormstckeThis European Standard was approved by CEN on 1 December 2012. CEN members are bound to comply with the CEN/CENELEC Internal Re
12、gulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN me
13、mber. 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 same status as the official versions.
14、 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, Malta, Netherlands, Norway, Polan
15、d, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2013 CEN All rights of exploitation in any form a
16、nd by any means reserved worldwide for CEN national Members. Ref. No. EN 295-5:2013: EEN 295-5:2013 (E) 2 Contents Page Foreword . 3 1 Scope 4 2 Normative references . 4 3 Terms and definitions 4 4 Requirements for pipes and fittings 4 4.1 Material, manufacture, water absorption and appearance . 4 4
17、.2 Internal diameter 4 4.3 Length . 5 4.4 Deviation from straightness 5 4.5 Angle of curvature and radius of bends 5 4.6 Branch angle of junctions 6 4.7 Perforations 6 4.7.1 General . 6 4.7.2 Arrangement of perforations . 6 4.7.3 Area of perforations . 6 4.8 Crushing strength (FN) 6 4.9 Chemical res
18、istance . 7 4.10 Fatigue strength under cyclic load 8 5 Joint assemblies 8 6 Common requirements for pipes and fittings . 8 6.1 Reaction to fire . 8 6.2 Durability 8 6.3 Dangerous substances 8 7 Designation 9 8 Marking . 9 9 Evaluation of conformity 10 9.1 General . 10 9.2 Initial type testing . 10
19、9.3 Factory production control (FPC) 10 Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of the EU Construction Products Directive . 11 ZA.1 Scope and relevant characteristics . 11 ZA.2 Procedures for the attestation of conformity of perforated vitrif
20、ied clay pipes and fittings 12 ZA.2.1 Systems of attestation of conformity 12 ZA.2.2 EC declaration of conformity . 13 ZA.3 CE marking . 14 ZA.3.1 General . 14 ZA.3.2 CE marking on the product 14 ZA.3.3 CE marking in the accompanying documents 15 Bibliography 17 DIN EN 295-5:2013-05 EN 295-5:2013 (E
21、) 3 Foreword This document (EN 295-5:2013) has been prepared by Technical Committee CEN/TC 165 “Wastewater engineering”, 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
22、the latest by August 2013, and conflicting national standards shall be withdrawn at the latest by August 2013. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or
23、 all such patent rights. This document supersedes EN 295-5:1994 and together with EN 295-1:2013, EN 295-2:2013, EN 295-4:2013, EN 295-6:2013 and EN 295-7:2013 it supersedes EN 295-10:2005. This document has been prepared under a mandate given to CEN by the European Commission and the European Free T
24、rade Association, and supports essential requirements of EU Directive(s). For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document. The main changes with respect to the previous edition are listed below: requirements for the resistance to high press
25、ure water jetting added; requirements for water absorption added; reaction to fire added; Annex ZA added; editorially revised. The standard series EN 295 “Vitrified clay pipe systems for drains and sewers“ consists of the following parts: Part 1: Requirements for pipes, fittings and joints Part 2: E
26、valuation of conformity and sampling Part 3: Test methods Part 4: Requirements for adaptors, connectors and flexible couplings Part 5: Requirements for perforated pipes and fittings (the present document) Part 6: Requirements for components of manholes and inspection chambers Part 7: Requirements fo
27、r pipes and joints for pipe jacking According to the CEN/CENELEC 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, Finland, Former Yugosla
28、v Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. DIN EN 295-5:2013-05 EN 295-5:2013 (E) 4 1 Scope Th
29、is European Standard specifies requirements for perforated pipes and compatible fittings made from vitrified clay with or without sockets for use in land drains and drainage of waste tips. They are also used for percolation into the ground. This standard specifies different strength classes and area
30、s of perforations. NOTE 1 The specifiers/purchasers can select them according to their requirements. NOTE 2 Corresponding provisions for the evaluation of conformity (ITT and FPC) and sampling and those for the test methods are further specified in EN 295-2 and EN 295-3, respectively. 2 Normative re
31、ferences The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies
32、. EN 295-1:2013, Vitrified clay pipe systems for drains and sewers Part 1: Requirements for pipes, fittings and joints EN 295-2:2013, Vitrified clay pipe systems for drains and sewers Part 2: Evaluation of conformity and sampling EN 295-3:2012, Vitrified clay pipe systems for drains and sewers Part
33、3: Test methods 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 295-1:2013 and the following apply. 3.1 area of perforations total area of holes or slots per metre length measured on the inside of the pipe 4 Requirements for pipes and fittings 4.1 Mat
34、erial, manufacture, water absorption and appearance For material, manufacture, water absorption and appearance, perforated pipes and fittings shall comply with EN 295-1:2013, 5.1. 4.2 Internal diameter The internal diameter shall not be less than the values according to Table 1. DIN EN 295-5:2013-05
35、 EN 295-5:2013 (E) 5 Table 1 Internal diameter Nominal size DN Minimum internal diameter mm 75 100 125 150 200 225 72 96 121 146 195 219 250 300 350 400 450 500 600 244 293 341 390 439 487 585 Other nominal sizes can be manufactured to comply with this standard, providing that the minimum internal d
36、iameter shall be not less than 97,5 % of the nominal size, rounded to the nearest whole mm. 4.3 Length Preferred lengths of pipes and straight fittings are not specified in this standard. The length shall be measured to the nearest whole millimetre. The tolerance on the declared nominal length of pi
37、pes and straight fittings shall be from 2 % to + 5 %, or 10 mm, whichever is the larger. 4.4 Deviation from straightness When tested in accordance with EN 295-3:2012, Clause 6, the deviation from straightness of the barrel of a pipe shall not be greater than the values given in Table 2, measured to
38、the nearest whole millimetre. Table 2 Deviation from straightness Nominal size DN Maximum deviation from straightness mm/m of nominal length 250 4 4.5 Angle of curvature and radius of bends The preferred nominal angles of curvature of bends are 15; 22,5; 30 and 45. The tolerance on angle shall be 5
39、of the nominal value. The centreline radius shall not be less than the nominal size in millimetres. DIN EN 295-5:2013-05 EN 295-5:2013 (E) 6 4.6 Branch angle of junctions The preferred nominal angles of junction arms are 45 and 90. The tolerance for the branch angle shall be 5 of the nominal value.
40、4.7 Perforations 4.7.1 General The holes in perforated pipes shall be either circular or slotted, and shall be cleanly cut. They shall be positioned in rows parallel to the longitudinal axis of the pipe, the holes in each row being spaced equidistantly. The permissible deviation of the spacing betwe
41、en the holes in any row shall not exceed 20 mm. Pipes need not be perforated within 100 mm of their ends. Fittings need not be perforated. The diameter of circular holes at the inside of the pipe shall be not greater than 13 mm. lf slots are used instead of circular holes, the width of slots at the
42、inside of the pipe shall be not greater than 8 mm. 4.7.2 Arrangement of perforations The perforations shall be arranged in one of the following configurations shown in Figure 1: a) totally perforated pipe (TP) which is symmetrically perforated around its entire circumference; b) locally perforated p
43、ipe (LP) which is symmetrically perforated over up to 270 of its circumference; c) multipurpose pipe (MP), which is symmetrically perforated over up to 120 of its circumference. Figure 1 Arrangement of perforations 4.7.3 Area of perforations The total area of holes measured at the pipe internal surf
44、ace shall be either: Type A: not less than 3 mm2per millimetre nominal size per metre nominal length; or Type B: not less than 10 000 mm2per metre nominal length. 4.8 Crushing strength (FN) When tested in accordance with EN 295-3:2012, Clause 7, with no perforations under the top bearer, the crushin
45、g strength (FN) of pipes or pipe sections shall be not less than the values given in Tables 3 and 4. DIN EN 295-5:2013-05 EN 295-5:2013 (E) 7 Table 3 Crushing strength for pipes DN 75 to DN 150 Nominal size DN Minimum crushing strength FNkN/m 75 100 125 150 20 20 20 20 22 22 22 22 28 28 28 28 Higher
46、 crushing strengths may be declared for DN 75 to DN 150 pipes, provided that the increase is in steps of 6 kN/m. Table 4 Crushing strength for pipes DN 200 Nominal Size DN Class 95 120 160 Minimum crushing strength FNkN/m 200 225 250 24 28 30 32 36 40 300 350 400 38 36 42 48 48 56 64 450 500 43 48 5
47、4 60 72 80 The crushing strength of other nominal sizes shall be calculated in accordance with Formula (1). 1000ClassNDNF= (1) Higher crushing strengths than those given in Table 4 can be declared providing that they conform to the requirements of the next higher class. Classes are restricted to 95,
48、 120 and 160, thereafter in increments of 20. NOTE For the purpose of structural design, the nominal wall thickness and/or nominal outside diameter are provided by the manufacturer. 4.9 Chemical resistance When tested in accordance with EN 295-3:2012, Clause 13, the loss of material from the test pi
49、ece shall be declared. NOTE Under normal conditions of use, vitrified clay pipes are considered to be resistant to chemical attack and expected to show typical values of loss of material between 0,1 % and 0,25 %. DIN EN 295-5:2013-05 EN 295-5:2013 (E) 8 4.10 Fatigue strength under cyclic load Where the resistance to fatigue under cyclic loads is required, it shall be demonstrated by testing in accordance with EN 295-3:2012, Clause 11, when test pieces shall not fail. 5 Joint assemblies
