INTERNATIONAL STANDARD ISO 25780 First edition 2011-05-15 Plastics piping systems for pressure and non-pressure water supply, irrigation, drainage or sewerage Glass-reinforced thermosetting plastics (GRP) systems based on unsaturated polyester (UP) resin Pipes with flexible joints intended to be installed using jacking techniques Systèmes de canalisations en matières plastiques pour l'alimentation en eau avec ou sans pression, pour l'irrigation ou l'assainissement Systèmes en matières plastiques thermodurcissables renforcés de verre (PRV) à base de résine de polyester non saturé (UP) Tubes avec assemblages flexibles destinés à être installés par les techniques de poussée Reference number ISO 25780:2011(E) ISO 2011
COPYRIGHT PROTECTED DOCUMENT ISO 2011 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland ii
Contents Page Foreword...iv 1 Scope...1 2 Normative references...1 3 Terms and definitions...2 4 Requirements...11 4.1 Classification...11 4.2 Pipe properties...11 4.3 Materials...12 4.4 Pipe wall construction...13 4.5 Reference conditions for testing...14 4.6 Elapsed time, x, for determination of long-term properties...14 4.7 Joint properties...14 5 Pipes...16 5.1 Geometrical characteristics...16 5.2 Mechanical characteristics...19 5.3 Resistance to strain corrosion...20 5.4 Longitudinal compressive strength...20 5.5 Permissible jacking forces...21 5.6 Specific initial longitudinal compressive modulus, E c,m...23 5.7 Resistance of pressure pipes to internal pressure...23 6 Marking...23 7 Joint performance...23 7.1 General requirements...23 7.2 Interchangeability...24 7.3 Geometrical characteristics...24 7.4 Design...24 7.5 Performance requirements...24 7.6 Test method additional information...25 Annex A (normative) Plastics piping systems Glass-reinforced thermosetting plastics (GRP) pipes Determination of the longitudinal compressive properties of a pipe, using a sample of prism test-pieces cut from a ring from the pipe...27 Annex B (normative) Plastics piping systems Glass-reinforced thermosetting plastics (GRP) pipes Determination of the compressive properties of pipes, using spool test-pieces...34 Annex C (normative) Procedure for the calculation of the permissible jacking force on a GRP-(UP) pipe, F perm,p...39 Bibliography...51 iii
Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 25780 was prepared by Technical Committee ISO/TC 138, Plastics pipes, fittings and valves for the transport of fluids, Subcommittee SC 6, Reinforced plastics pipes and fittings for all applications. iv
COPYRIGHT PROTECTED DOCUMENT ISO 2011 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland ii
Contents Page Foreword...iv 1 Scope...1 2 Normative references...1 3 Terms and definitions...2 4 Requirements...11 4.1 Classification...11 4.2 Pipe properties...11 4.3 Materials...12 4.4 Pipe wall construction...13 4.5 Reference conditions for testing...14 4.6 Elapsed time, x, for determination of long-term properties...14 4.7 Joint properties...14 5 Pipes...16 5.1 Geometrical characteristics...16 5.2 Mechanical characteristics...19 5.3 Resistance to strain corrosion...20 5.4 Longitudinal compressive strength...20 5.5 Permissible jacking forces...21 5.6 Specific initial longitudinal compressive modulus, E c,m...23 5.7 Resistance of pressure pipes to internal pressure...23 6 Marking...23 7 Joint performance...23 7.1 General requirements...23 7.2 Interchangeability...24 7.3 Geometrical characteristics...24 7.4 Design...24 7.5 Performance requirements...24 7.6 Test method additional information...25 Annex A (normative) Plastics piping systems Glass-reinforced thermosetting plastics (GRP) pipes Determination of the longitudinal compressive properties of a pipe, using a sample of prism test-pieces cut from a ring from the pipe...27 Annex B (normative) Plastics piping systems Glass-reinforced thermosetting plastics (GRP) pipes Determination of the compressive properties of pipes, using spool test-pieces...34 Annex C (normative) Procedure for the calculation of the permissible jacking force on a GRP-(UP) pipe, F perm,p...39 Bibliography...51 iii
Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 25780 was prepared by Technical Committee ISO/TC 138, Plastics pipes, fittings and valves for the transport of fluids, Subcommittee SC 6, Reinforced plastics pipes and fittings for all applications. iv
COPYRIGHT PROTECTED DOCUMENT ISO 2011 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland ii
Contents Page Foreword...iv 1 Scope...1 2 Normative references...1 3 Terms and definitions...2 4 Requirements...11 4.1 Classification...11 4.2 Pipe properties...11 4.3 Materials...12 4.4 Pipe wall construction...13 4.5 Reference conditions for testing...14 4.6 Elapsed time, x, for determination of long-term properties...14 4.7 Joint properties...14 5 Pipes...16 5.1 Geometrical characteristics...16 5.2 Mechanical characteristics...19 5.3 Resistance to strain corrosion...20 5.4 Longitudinal compressive strength...20 5.5 Permissible jacking forces...21 5.6 Specific initial longitudinal compressive modulus, E c,m...23 5.7 Resistance of pressure pipes to internal pressure...23 6 Marking...23 7 Joint performance...23 7.1 General requirements...23 7.2 Interchangeability...24 7.3 Geometrical characteristics...24 7.4 Design...24 7.5 Performance requirements...24 7.6 Test method additional information...25 Annex A (normative) Plastics piping systems Glass-reinforced thermosetting plastics (GRP) pipes Determination of the longitudinal compressive properties of a pipe, using a sample of prism test-pieces cut from a ring from the pipe...27 Annex B (normative) Plastics piping systems Glass-reinforced thermosetting plastics (GRP) pipes Determination of the compressive properties of pipes, using spool test-pieces...34 Annex C (normative) Procedure for the calculation of the permissible jacking force on a GRP-(UP) pipe, F perm,p...39 Bibliography...51 iii
Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 25780 was prepared by Technical Committee ISO/TC 138, Plastics pipes, fittings and valves for the transport of fluids, Subcommittee SC 6, Reinforced plastics pipes and fittings for all applications. iv
COPYRIGHT PROTECTED DOCUMENT ISO 2011 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland ii
Contents Page Foreword...iv 1 Scope...1 2 Normative references...1 3 Terms and definitions...2 4 Requirements...11 4.1 Classification...11 4.2 Pipe properties...11 4.3 Materials...12 4.4 Pipe wall construction...13 4.5 Reference conditions for testing...14 4.6 Elapsed time, x, for determination of long-term properties...14 4.7 Joint properties...14 5 Pipes...16 5.1 Geometrical characteristics...16 5.2 Mechanical characteristics...19 5.3 Resistance to strain corrosion...20 5.4 Longitudinal compressive strength...20 5.5 Permissible jacking forces...21 5.6 Specific initial longitudinal compressive modulus, E c,m...23 5.7 Resistance of pressure pipes to internal pressure...23 6 Marking...23 7 Joint performance...23 7.1 General requirements...23 7.2 Interchangeability...24 7.3 Geometrical characteristics...24 7.4 Design...24 7.5 Performance requirements...24 7.6 Test method additional information...25 Annex A (normative) Plastics piping systems Glass-reinforced thermosetting plastics (GRP) pipes Determination of the longitudinal compressive properties of a pipe, using a sample of prism test-pieces cut from a ring from the pipe...27 Annex B (normative) Plastics piping systems Glass-reinforced thermosetting plastics (GRP) pipes Determination of the compressive properties of pipes, using spool test-pieces...34 Annex C (normative) Procedure for the calculation of the permissible jacking force on a GRP-(UP) pipe, F perm,p...39 Bibliography...51 iii
Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 25780 was prepared by Technical Committee ISO/TC 138, Plastics pipes, fittings and valves for the transport of fluids, Subcommittee SC 6, Reinforced plastics pipes and fittings for all applications. iv