EN 295-3:2012

SLOVENSKI STANDARD
01-marec-2012
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SIST EN 295-3:1996
SIST EN 295-3:1996/A1:2000
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Vitrified clay pipe systems for drains and sewers - Part 3: Test methods
Steinzeugrohrsysteme für Abwasserleitungen und -kanäle - Teil 3: Prüfverfahren
Systèmes de tuyaux et accessoires en grès pour les réseaux de branchement et
d’assainissement - Partie 3: Méthodes d'essai
Ta slovenski standard je istoveten z: EN 295-3:2012
ICS:
23.040.50 Cevi in fitingi iz drugih Pipes and fittings of other
materialov materials
91.140.80 Drenažni sistemi Drainage systems
93.030 Zunanji sistemi za odpadno External sewage systems
vodo
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 295-3
NORME EUROPÉENNE
EUROPÄISCHE NORM
January 2012
ICS 93.030 Supersedes EN 295-3:1991
English Version
Vitrified clay pipe systems for drains and sewers - Part 3: Test
methods
Systèmes de tuyaux et accessoires en grès vitrifié pour les Steinzeugrohrsysteme für Abwasserleitungen und -kanäle -
collecteurs et branchements - Partie 3: Méthodes d'essai Teil 3: Prüfverfahren
This European Standard was approved by CEN on 19 November 2011.

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 national
standards may be obtained on application to the CEN-CENELEC 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 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.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
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Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2012 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 295-3:2012: E
worldwide for CEN national Members.

Contents Page
Foreword .5
1 Scope .6
2 Normative references .6
3 Terms and definitions .6
4 Symbols and abbreviations .7
5 Test for squareness of ends .8
5.1 Test of squareness of ends for pipes according to EN 295-1:2012 .8
5.2 Test of squareness of ends for pipes according to EN 295-7:2012 .8
6 Straightness test .9
7 Crushing strength test . 10
7.1 General . 10
7.1.1 Preconditioning . 10
7.1.2 Testing machine. 11
7.1.3 Loading . 11
7.2 Bearers and bearing strips/facings. 11
7.2.1 Bearers . 11
7.2.2 Bearing strips/facings . 12
7.3 Support system . 12
7.3.1 Flexible hose system (for use with any length of pipe, or pipe section not less than 300
mm in length) . 12
7.3.2 Common hydraulic manifold system (for use with any length of pipe, or pipe section not
less than 300 mm in length) . 14
7.3.3 Rigid systems (restricted to use with pipes or pipe sections from 300 mm to 1 100 mm
nominal length) . 14
7.4 Test load application . 14
7.4.1 Plain ended pipes . 14
7.4.2 Socketted pipes . 14
7.4.3 Loading . 14
7.5 Results and reporting . 14
7.5.1 Acceptance (proof) tests . 14
7.5.2 Ultimate tests . 15
7.5.3 Disputes . 15
7.5.4 Test records . 15
8 Bending tensile test . 15
8.1 Preconditioning . 15
8.2 Test procedure . 15
9 Bending moment resistance (BMR) test. 17
9.1 General . 17
9.1.1 Preconditioning . 17
9.1.2 Testing machine. 17
9.1.3 Loading . 17
9.1.4 Choice of test method . 17
9.2 Four point loading test . 17
9.2.1 Test procedure . 17
9.2.2 Testing by attributes . 18
9.2.3 Testing by variables . 18
9.3 Three point loading test . 18
9.3.1 Test procedure . 18
9.3.2 Testing by attributes . 19
9.3.3 Testing by variables . 19
10 Bond strength of adhesive . 20
11 Tests for fatigue strength . 20
11.1 Preconditioning . 20
11.2 Test using a pipe or pipe section . 20
11.3 Test using sawn test specimens . 21
12 Test for watertightness . 22
12.1 General . 22
12.2 Pipes and junctions . 22
12.3 Fittings other than junctions and terminal fittings . 22
13 Chemical resistance test for pipes and fittings. 22
14 Determination of hydraulic roughness . 23
15 Abrasion resistance test . 23
16 Airtightness test . 25
17 Tests for resistance to high pressure jetting . 25
17.1 General . 25
17.1.1 Water source . 25
17.1.2 Pressure measurement . 25
17.1.3 Test temperature . 25
17.2 Moving jet test . 26
17.3 Stationary jet test . 26
17.3.1 General . 26
17.3.2 Apparatus . 26
17.3.3 Test pieces . 27
17.3.4 Procedure . 27
18 Hardness test for polyurethane . 28
18.1 Test pieces . 28
18.2 Test method . 28
19 Tests for material requirements of polypropylene sleeve couplings . 28
19.1 Melt flow index . 28
19.2 Tensile strengt
...