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1、BRITISH STANDARD BS EN 639:1995 Incorporating Corrigendum No. 1 Common requirements for concrete pressure pipes including joints and fittings The European Standard EN 639:1994 has the status of a British Standard ICS 23.040.50 ? BS EN 639:1995 This British Standard, having been prepared under the di
2、rection of the Sector Board for Building and Civil Engineering, was published under the authority of the Standards Board and comes into effect on 15 May 1995 BSI 7 December 2004 The following BSI references relate to the work on this British Standard: Committee reference B/505 Draft for comment 92/1
3、2536 DC ISBN 0 580 23997 7 Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee B/505, Water supply, upon which the following bodies were represented: Association of Consulting Engineers Association of Manufacturers of Domesti
4、c Unvented Supply Systems Equipment (MODUSSE) British Bathroom Council British Foundry Association British Non-Ferrous Metals Federation British Plastics Federation British Plumbing Fittings Manufacturers Association Department of the Environment Department of the Environment (Drinking Water Inspect
5、orate) Fibre Cement Manufacturers Association Limited Institute of Plumbing Institution of Water and Environmental Management Local Authority Organizations Scottish Association of Directors of Water and Sewerage Services Water Companies Association Water Research Centre Water Services Association of
6、 England and Wales The following bodies were also represented in the drafting of the standard, through subcommittees and panels: Association of Metropolitan Authorities British Precast Concrete Federation Ltd. Concrete Pipe Association Concrete Society Department of Transport Federation of Civil Eng
7、ineering Contractors Institution of Civil Engineers Institution of Highways and Transportation Amendments issued since publication Amd. No.DateComments 15452 Corrigendum No. 1 7 December 2004National foreword amended BS EN 639:1995 BSI 7 December 2004 i Contents Page Committees responsibleInside fro
8、nt cover National forewordii Foreword2 Text of EN 6394 BS EN 639:1995 ii BSI 7 December 2004 National foreword This British Standard has been prepared by Technical Committee B/504 and is the English language version of EN 639:1994 Common requirements for concrete pressure pipes including joints and
9、fittings, published by the European Committee for Standardization (CEN). Together with BS EN 642 it supersedes BS 4625, which is withdrawn. EN 639 was published as a result of international discussion in which the UK took an active part. This publication does not purport to include all the necessary
10、 provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Cross-references Publication referred toCorresponding British Standard EN 29001:1987BS EN ISO 9001:1994 Quality systems Model fo
11、r quality assurance in design, development, production, installation and servicing (Identical) EN 29002:1987BS EN ISO 9002:1994 Quality systems Model for quality assurance in production, installation and serv- icing (Identical) EN 29003:1987BS EN ISO 9003:1994 Quality systems Model for quality assur
12、ance in final inspection and test (Identical) Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 20, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was la
13、st issued. EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 639 October 1994 ICS 23.040.30; 23.040.50 Descriptors: Water pipelines, pressure pipes, potable water, water pipes, concrete tubes, specifications, materials, definitions, computation, dimensions, tests, quality, implementation, marking
14、 English version Common requirements for concrete pressure pipes including joints and fittings Prescriptions communes pour tuyaux pression en bton y compris joints et pices spciales Allgemeine Anforderungen fr Druckrohre aus Beton einschlielich Rohrverbindungen und Formstcken This European Standard
15、was approved by CEN on 1994-10-26. CEN members are bound to comply with the CEN/CENELEC Internal Regulations 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 nati
16、onal 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 under the responsibility of a CEN member into its own language and no
17、tified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United King
18、dom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1994 Copyright reserved to CEN members Ref. No. EN 639:1994 E EN 639:1994 BSI 7 December 20042 Foreword This European Standard for co
19、ncrete pipes is a standard which was prepared by WG 5, Concrete pipes, of the Technical Committee CEN/TC 164, Water supply, the Secretariat of which is held by AFNOR. During preparation of this standard the provisional results already available of CEN/TC 164/WG 1, General requirements for external s
20、ystems and components, and of CEN/TC 164/165/JWG 1, Structural design, were considered. 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 April 1995, and conflicting national standards shall be with
21、drawn at the latest by April 1995. In accordance with the CEN/CENELEC Internal Regulations, the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, S
22、weden, Switzerland and United Kingdom. Contents Page Foreword2 Introduction4 1Scope4 2Normative references4 3Definitions4 4General6 4.1Concrete pipe behaviour6 4.2Plans and data to be supplied by purchaser7 4.2.1Design data7 4.2.2Specifications and drawings7 4.2.3Design responsibility7 4.3Data to be
23、 submitted by the manufacturer8 4.3.1Parameters for surge calculation8 4.3.2Detail drawings and schedules8 4.3.3Tabulated layout schedule8 4.4Design requirements8 5Materials8 5.1Cement8 5.2Aggregates8 5.3Mixing water8 5.4Admixtures and additives8 5.5Steel for cylinders, fittings and specials8 Page 5
24、.6Steel for joint rings8 5.7Reinforcing steel9 5.8Sealing rings9 5.9Chloride content9 6Common requirements for products9 6.1Geometry and dimensions9 6.1.1Nominal sizes9 6.1.2Internal diameters9 6.1.3Lengths10 6.1.4Straightness and surface evenness10 6.1.5Squareness10 6.1.6Wall thickness10 6.1.7Joint
25、s10 6.1.8Structure of steel joint with an elastomeric sealing ring10 6.1.9Structure of a site welded joint11 6.1.10 Elastomeric sealing rings12 6.1.11 Steel cylinder12 6.2Curing12 6.3Rework during manufacturing process (repairs)12 6.4Test methods12 6.4.1Internal diameter12 6.4.2Internal barrel lengt
26、h12 6.4.3Straightness and surface evenness12 6.4.4Squareness13 6.4.5Wall thickness13 6.4.6Steel joint rings13 6.4.7Hydrostatic testing of steel cylinder for pipe13 6.4.8Liquid penetrant test13 6.4.9Sealing rings (elastomeric gaskets)13 6.4.10 Concrete strength14 6.4.11 Concrete crack14 6.4.12 Deflec
27、tion and shear test14 6.5Fittings and specials14 6.5.1General14 6.5.2Materials14 6.5.3Fabrication14 6.5.4Design of fittings and specials14 7Quality control16 7.1General16 7.2Receiving inspection16 7.3Testing rates16 7.4Records16 EN 639:1994 BSI 7 December 2004 3 Page 7.5Access to manufacturers facil
28、ities16 7.6Responsibility16 7.7Product construction directive17 8Marking17 9Interconnection for products17 10Installation and testing17 10.1Installation17 10.2Preparation for testing17 10.3Site test17 Annex A (informative) Notation of main parameters18 Annex B (informative) Span pipe calculations19
29、Figure 1 Lengths5 Figure 2 Gauge for evaluating deviation from straightness15 Figure 3 Dimensions of feeler gauge for inspecting cracks16 Figure B.1 Support loading diagram19 Figure B.2 Longitudinal loading diagram20 Table 1 Typical nominal sizes: DN/ID9 Table 2 Tolerances on design internal diamete
30、r9 Table 3 Allowable angular deflections11 Table 4 Tolerances on circumference, in mm11 Table 5 Tolerances for out-of-roundness, in mm11 EN 639:1994 4 BSI 7 December 2004 Introduction The product1) in permanent or temporary contact with water, intended for human consumption, shall not adversely affe
31、ct the quality of the drinking water and shall not contravene the CE Directives and EFTA Regulations on the quality of drinking water. This standard is not intended to be used alone. It shall be used as a combined document with one of the following as appropriate: EN 640, Reinforced concrete pressur
32、e pipes and distributed reinforcement concrete pressure pipes (non cylinder type) including joints and fittings. EN 641, Reinforced concrete pressure pipe, cylinder type, including joints and fittings. EN 642, Prestressed concrete pressure pipes, non cylinder and cylinder type, including joints, fit
33、tings and specific requirements for prestressing steel for pipes. or any future additional product standard referring to this standard. When the relevant EN dealing with general requirements, such as General requirements for external systems and components (CEN/TC 164/WG 1) Materials in contact with
34、 water (CEN/TC 164/WG 3) and Structural design (CEN/TC 164/165/JWG 1) are adopted, the present standard shall be revised, where appropriate, in order to ensure that these requirements comply with the relevant ENs. To the present standard, are attached: Annex A (informative): Notation of main paramet
35、ers; Annex B (informative): Span pipe calculations. 1 Scope This European Standard specifies common requirements for the following components: concrete pressure pipes, joints and fittings including jacking pipes. These components are intended to be used in water systems which carry water for human c
36、onsumption, industrial purposes, irrigation or waste water. 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereaft
37、er. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references, the latest edition of the publication referred to applies. EN 29001, Quality systems Model for q
38、uality assurance in design/development, production, installation and servicing. EN 29002, Quality systems Model for quality assurance in production and installation. EN 29003, Quality systems Model for quality assurance in final inspection and test. 3 Definitions For the purposes of this standard, t
39、he following definitions apply. adjustable joint joint which permits significant angular deflection at the time of installation but not thereafter contractor the person, company or corporation executing the contract or agreement for installation and commissioning of the pipeline 1)Shall be considere
40、d as such any product used for the conveyance and distribution of water intended for human consumption. EN 639:1994 BSI 7 December 2004 5 dead loads the pipe weight, water weight, and all superimposed static loads applied to the outside of the pipe after installation design internal diameter the int
41、ernal diameter specified in the manufacturers documents and to which manufacturing tolerances are applicable design pressure the maximum sustained internal hydrostatic pressure to which the pipe is to be subjected as specified by the purchaser. Generally, the design pressure for each pipe, or portio
42、n of the pipeline, shall be the operating pressure or the static head specified by the purchaser, whichever is the greater DN/ID numerical designation of size of component, which is a convenient integer approximately equal to the specified internal diameter expressed in mm effective length internal
43、barrel length plus joint gap (provided by the manufacturer) (See Figure 1.) external diameter the mean external diameter of the pipe barrel at any cross section factory test pressure the hydrostatic pressure applied for a relatively short duration to a pipe to test its integrity, watertightness and/
44、or design flexible joint joint which permits significant angular deflection, both during and after installation and which can accept a slight offset of the centre line internal diameter the mean internal diameter of the pipe barrel at any cross section joint the connection between the adjacent ends
45、of two components including the means of sealing Figure 1 Lengths EN 639:1994 6 BSI 7 December 2004 live loads all superimposed external transient loads applied to the outside of the pipe during and after installation, e.g. traffic loading manufacturer the person, company or corporation that actuall
46、y manufactures the pipe maximum design pressure design pressure plus surge pressure normal operating conditions a combination of design pressure and dead loads purchaser a person, company, corporation or agency entering into a contract or agreement to purchase pipes and fittings from the manufacture
47、r rigid joint joint that does not permit significant angular deflection, either during or after installation surge pressure increases of short duration, to the operating pressure caused by changes in fluid velocity system test pressure the hydrostatic pressure applied for a relatively short duration
48、 to a newly laid pipeline in order to test its integrity and tightness transient conditions conditions due to surge pressures or live loads that vary normal operating conditions and are of short duration 4 General 4.1 Concrete pipe behaviour 4.1.1 Reinforced and prestressed concrete pipes are normal
49、ly used in a buried situation. In a homogenous environment, they perform satisfactorily. However where a heterogenous environment exists special arrangements may be necessary and agreed between purchaser and manufacturer. In some cases, the environment may require specific arrangements for example: high sulfate content: if total soluble sulfate content greater than 3 000 mg/kg of soil or greater than 600 mg/kg of ground water then sulfate resisti
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