1、 Reference numberISO 22306:2007(E)ISO 2007INTERNATIONAL STANDARD ISO22306First edition2007-10-15Fibre-reinforced cement pipe, joints and fittings for gravity systems Tuyaux, joints et accessoires en ciment renforc de fibres pour rseaux gravitaires Copyright International Organization for Standardiza
2、tion Provided by IHS under license with ISO Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-ISO 22306:2007(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not b
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7、ail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2007 All rights reservedCopyright International Organization for Standardization Provided by IHS under license with ISO Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-ISO 22306:2007(E) ISO 2007 A
8、ll rights reserved iiiContents Page Foreword iv 1 Scope . 1 2 Normative references . 1 3 Terms and definitions. 1 4 General. 5 4.1 Classification. 5 4.2 Materials 5 4.3 Appearance and finish . 6 4.4 Joints 7 4.5 Reference conditions for testing. 7 5 Pipes. 8 5.1 Geometrical characteristics. 8 5.2 Me
9、chanical characteristics 10 5.3 Resistance to domestic sewage 13 5.4 Warm water test 14 5.5 Marking of pipes . 14 6 Joints 15 6.1 General requirements. 15 6.2 Joint geometrical requirements 15 6.3 Joint hydrostatic performance 15 6.4 Marking of joints and fittings. 16 7 Handling and storage . 16 Ann
10、ex A (normative) Test method for determination of pipe straightness . 17 Annex B (normative) Test method for determination of pipe crush strength 19 Annex C (normative) Test method for determination of pipe flexural bending strength 23 Annex D (normative) Test method for determination of watertightn
11、ess 25 Annex E (normative) Test method for determination of the modulus of elasticity . 27 Annex F (normative) Test method for determination of the long-term pipe stiffness 31 Annex G (normative) Method of determination of resistance to liquid media. 35 Annex H (normative) Test method for determinat
12、ion of joint performance under hydrostatic pressure. 37 Annex I (informative) Test method for determination of wet/dry crush factor. 41 Annex J (informative) Installation design of fibre-reinforced cement pipes 43 Bibliography . 47 Copyright International Organization for Standardization Provided by
13、 IHS under license with ISO Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-ISO 22306:2007(E) iv ISO 2007 All rights reservedForeword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies)
14、. 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
15、-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
16、 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
17、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 22306 was prepared by Technical Committee ISO/TC 77, Products in fibre reinforced cement.
18、 Copyright International Organization for Standardization Provided by IHS under license with ISO Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-INTERNATIONAL STANDARD ISO 22306:2007(E) ISO 2007 All rights reserved 1Fibre-reinforced cement pipe, joints and fittings
19、 for gravity systems 1 Scope This International Standard specifies the properties of the piping system and its components made from fibre-reinforced cement, based upon Portland cement, intended to be used for drainage or sewerage systems. This International Standard is applicable to fibre-reinforced
20、 cement pipes and fittings suitable primarily for use in gravity systems at atmospheric pressure in buried applications. Pipes satisfying the requirements of this International Standard, although exhibiting some flexible characteristics, are intended for installations designed using rigid pipe princ
21、iples. NOTE 1 In a pipe work system, pipes and fittings of different strength classification can be used together. NOTE 2 Piping systems conforming to this International Standard can be used also for non-buried applications provided the influences of the environment and the supports are considered i
22、n the design of the pipes, fittings and joints. NOTE3 This International Standard addresses aspects of long-term performance of pipe (see Annex J). NOTE 4 Purchasers should satisfy themselves that the class of pipe specified on the basis of this International Standard is suitable for its intended ap
23、plication. NOTE 5 Compliance with Annex G of this International Standard might not satisfy national regulatory requirements. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For und
24、ated references, the latest edition of the referenced document (including any amendments) applies. ISO 10928, Plastics piping systems Glass-reinforced thermosetting plastics (GRP) pipes and fittings Methods for regression analysis and their use 3 Terms and definitions For the purposes of this docume
25、nt, the following terms and definitions apply. 3.1 nominal size DN alphanumerical designation of size, which is common to all components in a piping system, in order to provide a convenient designation for reference and marking purposes, consisting of the letters “DN” followed by a round number rela
26、ted to the internal diameter when it is expressed in millimetres Copyright International Organization for Standardization Provided by IHS under license with ISO Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-ISO 22306:2007(E) 2 ISO 2007 All rights reserved3.2 decl
27、ared diameter diameter which a manufacturer states to be the mean internal or external diameter produced in respect of a particular nominal size DN and crushing strength class 3.3 specific ring stiffness S calculated physical characteristic of the pipe, indicating the resistance to ring deflection p
28、er metre length under external load as defined in Equation (1): 3m()/SEId= (1) where E is the apparent modulus of elasticity as determined using Annex E of this International Standard, expressed in newtons per square metre (N/m2) I is the second moment of area in the longitudinal direction per metre
29、 length, expressed in metres to the fourth power per metre, (m4/m), i.e. 3/12Ie= (2) where e is the wall thickness, expressed in metres (m) dmis the mean diameter of the pipe, expressed in metres (m) (see 3.4) NOTE The specific ring stiffness is expressed in newtons per square metre (M/m2). 3.4 mean
30、 diameter dmdiameter of the circle corresponding with the middle of the pipe wall cross-section calculated by either Equation (3) or (4): midde=+ (3) medde= (4) where diis the internal diameter of the pipe in metres (m) deis the external diameter of the pipe in metres (m) e is the wall thickness of
31、the pipe, in metres (m) NOTE The mean diameter is expressed in metres (m). 3.5 type test test carried out in order to assess the fitness for purpose of a product or assembly of components to fulfil its or their function(s) in accordance with the product specification Copyright International Organiza
32、tion for Standardization Provided by IHS under license with ISO Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-ISO 22306:2007(E) ISO 2007 All rights reserved 33.6 nominal length numerical designation of a pipe length which is equal to the pipes effective laying le
33、ngth (see 3.8) NOTE The nominal length is expressed in metres (m), rounded to one decimal place. 3.7 total length L distance between two planes normal to the pipe axis and passing through the extreme end points of the pipe NOTE The total length is expressed in metres (m). 3.8 effective laying length
34、 total length of a pipe minus, where applicable, the insertion depth of the spigot(s) in the socket as recommended by the manufacturer 3.9 normal service conditions conveyance of surface water or sewage in the temperature range 2 C to 50 C, with or without pressure 3.10 crush load Tuminimum crush te
35、st load required for a saturated pipe, when tested according to Annex B to demonstrate that it complies with its designated crush class 3.11 non-pressure pipe or fitting pipe fitting subject to an internal pressure not greater than 100 kPa 3.12 buried pipeline pipeline that is subjected to the exter
36、nal pressure transmitted from soil loading, including traffic and superimposed loads and, possibly, the pressure head of water 3.13 design service temperature maximum sustained temperature at which the system is expected to operate NOTE The design service temperature is expressed in degrees Celsius
37、(C). 3.14 draw D longitudinal movement of a joint See Figure 1. NOTE The draw is expressed in millimetres (mm). 3.15 total draw T sum of the draw, D, and the additional longitudinal movement, J, of joint components due to the presence of angular deflection See Figure 1. NOTE The total draw is expres
38、sed in millimetres (mm). Copyright International Organization for Standardization Provided by IHS under license with ISO Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-ISO 22306:2007(E) 4 ISO 2007 All rights reserved3.16 misalignment M amount by which the centreli
39、nes of adjacent components fail to coincide See Figure 1. NOTE The misalignment is expressed in millimetres (mm). Key D draw angular deflection J longitudinal movement T total draw M misalignment NOTE The angular deflection causes a longitudinal movement. Figure 1 Joint movements Copyright Internati
40、onal Organization for Standardization Provided by IHS under license with ISO Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-ISO 22306:2007(E) ISO 2007 All rights reserved 53.17 flexible joint joint that allows relative movement between components being joined 3.18
41、 break condition when the test piece can no longer carry load 3.19 reinforcement fibre organic and/or inorganic synthetic reinforcement fibres used for the manufacture of fibre cement pipes complying with this International Standard See 4.2.2. 4 General 4.1 Classification 4.1.1 Categories Pipes and
42、fittings shall be classified according to nominal size (DN) (see 3.1), design crush strength and joint type. 4.1.2 Nominal size The nominal size (DN) of pipes and fittings in the range DN 200 to DN 2500 shall conform to the appropriate table in Clause 5 of this International Standard. 4.1.3 Crushing
43、 strength (Tu) The pipes shall be classified in accordance with their minimum crush load, Tu, into the following classes based on load per unit internal area: 40 kN/m2, 60 kN/m2, 75 kN/m2, 90 kN/m2, 100 kN/m2, 120 kN/m2, 150 kN/m2, 175 kN/m2The load per unit area is the breaking load per metre lengt
44、h of pipe divided by the nominal diameter of the pipe in metres (1/1 000 of the nominal diameter DN values). Pipes may also be designed to satisfy breaking load requirements that are specified either by the designer or in the national standards of the country where the product is to be used. 4.2 Mat
45、erials 4.2.1 General The pipe or fitting shall be constructed using reinforcing fibres (see 3.19) and an inorganic hydraulic binder or a calcium silicate binder formed by chemical reaction of a siliceous and a calcareous material. Process aids, fillers, aggregates and pigments that are compatible wi
46、th fibre-reinforced cement may be added. 4.2.2 Reinforcement Reinforcement may be any of the following: a) cellulose fibre; b) plastic fibre; Copyright International Organization for Standardization Provided by IHS under license with ISO Not for ResaleNo reproduction or networking permitted without
47、license from IHS-,-,-ISO 22306:2007(E) 6 ISO 2007 All rights reservedc) glass filament; d) steel fibre. No further restriction is placed on the choice of fibre-reinforcement materials, their combination, their proportion in the finished product, or the method of pipe manufacture, except that pipes m
48、anufactured using these materials shall comply with the requirements of this International Standard. The manufacturer shall provide the purchaser with documented evidence that the fibres employed are compatible with the other materials in the pipes for the intended purpose of the pipes under normal service conditions (see 3.9). 4.2.3 Cement The cement shall comply with the relevant national standard in the country of manufacture. 4.2.4 Aggregates and fillers Where aggregates or fillers are added to the mix in the manufacturing process, the filler shall be inorganic and
