1、Designation: F2764/F2764M 171Standard Specification for6 to 60 in. 150 to 1500 mm Polypropylene (PP) CorrugatedDouble and Triple Wall Pipe and Fittings for Non-PressureSanitary Sewer Applications1This standard is issued under the fixed designation F2764/F2764M; the number immediately following the d
2、esignation indicates the yearof original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.A superscript epsilon () indicates an editorial change since the last revision or reapproval.1NOTETable 1 was editorially corrected
3、in August 2017.1. Scope*1.1 This specification covers requirements and test methodsfor corrugated double and triple wall polypropylene pipe andfittings. The nominal inside diameters covered are 6 to 60 in.150 to 1500 mm.1.2 The requirements of this specification are intended toprovide pipe and fitti
4、ngs for underground use for non-pressuresanitary sewer systems. Pipe and fittings produced in accor-dance with this specification shall be installed in compliancewith Practice D2321.1.3 This specification covers pipe and fittings with anannular corrugated wall and an essentially smooth interior wall
5、(that is, double wall) (Fig. 1) and pipe and fittings with anannular corrugated wall and an essentially smooth interior andexterior wall (that is, triple wall) (Fig. 2).1.4 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard. The values stated ineach sys
6、tem may not be exact equivalents; therefore, eachsystem shall be used independently of the other. Combiningvalues from the two systems may result in non-conformancewith the standard.1.5 The following precautionary statement applies only toSection 7 of this specification. This standard does not purpo
7、rtto address all of the safety concerns, if any, associated with itsuse. It is the responsibility of the user of this standard toestablish appropriate safety and health practices and deter-mine the applicability of regulatory limitations prior to use.1.6 This international standard was developed in
8、accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1
9、 ASTM Standards:2A666 Specification for Annealed or Cold-Worked AusteniticStainless Steel Sheet, Strip, Plate, and Flat BarD256 Test Methods for Determining the Izod PendulumImpact Resistance of PlasticsD578/D578M Specification for Glass Fiber StrandsD618 Practice for Conditioning Plastics for Testi
10、ngD638 Test Method for Tensile Properties of PlasticsD790 Test Methods for Flexural Properties of Unreinforcedand Reinforced Plastics and Electrical Insulating Materi-alsD792 Test Methods for Density and Specific Gravity (Rela-tive Density) of Plastics by DisplacementD1238 Test Method for Melt Flow
11、Rates of Thermoplasticsby Extrusion PlastometerD1505 Test Method for Density of Plastics by the Density-Gradient TechniqueD1600 Terminology forAbbreviated Terms Relating to Plas-ticsD2122 Test Method for Determining Dimensions of Ther-moplastic Pipe and FittingsD2321 Practice for Underground Install
12、ation of Thermoplas-tic Pipe for Sewers and Other Gravity-Flow ApplicationsD2412 Test Method for Determination of External LoadingCharacteristics of Plastic Pipe by Parallel-Plate LoadingD2444 Test Method for Determination of the Impact Resis-tance of Thermoplastic Pipe and Fittings by Means of aTup
13、 (Falling Weight)D2990 Test Methods for Tensile, Compressive, and FlexuralCreep and Creep-Rupture of PlasticsD3212 Specification for Joints for Drain and Sewer PlasticPipes Using Flexible Elastomeric SealsD3895 Test Method for Oxidative-Induction Time of Poly-olefins by Differential Scanning Calorim
14、etry1This specification is under the jurisdiction of ASTM Committee F17 on PlasticPiping Systems and is the direct responsibility of Subcommittee F17.62 on Sewer.Current edition approved April 1, 2017. Published May 2017. Originallyapproved in 2010. Last previous edition approved in 2016 as F2764/F2
15、764M16.DOI:10.1520/D2764_F2764M17E01.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.*A Summary of Changes se
16、ction appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision
17、on Principles for theDevelopment of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.1D4101 Specification for Polypropylene Injection and Extru-sion MaterialsD4218 Test Method for Determination of Carbon BlackConte
18、nt in Polyethylene Compounds By the Muffle-Furnace TechniqueD6992 Test Method for Accelerated Tensile Creep andCreep-Rupture of Geosynthetic Materials Based on Time-Temperature Superposition Using the Stepped IsothermalMethodF412 Terminology Relating to Plastic Piping SystemsF477 Specification for E
19、lastomeric Seals (Gaskets) for Join-ing Plastic PipeF2136 Test Method for Notched, Constant Ligament-Stress(NCLS) Test to Determine Slow-Crack-Growth Resis-tance of HDPE Resins or HDPE Corrugated PipeF2736 Specification for 6 to 30 in. (152 To 762 mm)Polypropylene (PP) Corrugated Single Wall Pipe An
20、dDouble Wall Pipe2.2 AASHTO Standards:3LRFD, Section 12 AASHTO LRFD Bridge Design Specifi-cations Section 12 Buried Structures and Tunnel Liners2.3 Federal Standard:4Fed. Std. No. 123 Marking for Shipment (Civil Agencies)2.4 Military Standard:4MIL-STD-129 Marking for Shipment and Storage2.5 NCHRP (N
21、ational Cooperative Highway Research Pro-gram) Report:5NCHRP Report 631 Updated Test and Design Methods forThermoplastic Drainage Pipe3. Terminology3.1 Definitions are in accordance with Terminology F412and abbreviations are in accordance with Terminology D1600,unless otherwise specified. The abbrev
22、iation for polypropyleneis PP.3.2 Definitions of Terms Specific to This Standard:3.2.1 double wall pipe, nIn this case, the profile pipe wallconstruction provides an interior liner in the waterway andincludes corrugations, which can be either solid (with a liner)or hollow (with no liner), that helps
23、 brace the pipe againstdiametrical deformation. The corrugation wall is exposed tothe soil side of the pipe and is its exterior wall.3.2.2 triple wall pipe, nIn this case, the triple pipe wallconstruction provides an interior wall in the waterway, anexterior wall to the soil, and includes corrugatio
24、ns, which canbe either solid (with a liner) or hollow (with no liner), thathelps brace the pipe against diametrical deformation.4. Ordering Information4.1 Orders for product made to this specification shallinclude the following information to adequately describe thedesired product:4.1.1 This ASTM de
25、signation and year of issue,4.1.2 Diameters,4.1.3 Total footage of each pipe diameter involved,4.1.4 Pipe laying length,4.1.5 Fitting type(s):4.1.5.1 Size and type of fittings, including mainline andbranch diameters, and4.1.5.2 Number of fittings per diameter.5. Materials and Manufacture5.1 Pipe and
26、 Fabricated FittingsPolypropylene Com-pounds Polypropylene compounds used in the manufactureof the pipe and fittings shall have the minimum properties asshown in Table 1. Polypropylene compounds shall be com-prised of the base polypropylene virgin resin and all additives,colorants, UV inhibitors and
27、 stabilizers. Conditioningsampling, preparation, and testing of molded specimens shallbe in accordance with the requirements in Specification D4101.For slow crack-growth resistance of the pipe corrugation, andinner and exterior walls, PP compounds shall be evaluatedusing the notched constant ligamen
28、t stress (NCLS) test accord-ing to the procedure described in 7.7.1. The average failuretime of the five test specimens shall exceed 100 h with nosingle test specimens failure time less than 71 h. Compoundsshall be tested and validated on an annual basis or for any newformulations. The minimum long-
29、term (50-year) design values3Available from American Association of State Highway and TransportationOfficials (AASHTO), 444 N. Capitol St., NW, Suite 249, Washington, DC 20001,http:/www.transportation.org.4DLA Document Services Building 4/D 700 Robbins Avenue Philadelphia, PA19111-5094 http:/quickse
30、arch.dla.mil/5The National Academies of Sciences, Engineering, and Medicine 500 FifthStreet, NW Washington, DC 20001 http:/www.national-academies.orgFIG. 1 Typical Corrugated Double Wall PipeFIG. 2 Typical Corrugated Triple Wall PipeF2764/F2764M 1712for modulus of elasticity and tensile strength for
31、 the PPcompounds shall be 27 000 psi (186 MPa) and 1,000 psi (7.0MPa), respectively.5.2 Color and Ultraviolet Stabilization for Pipe andFittingsThe pipe shall be colored or black. Black polypro-pylene compounds shall have between 2.0 and 3.0 percentcarbon black when tested in accordance with the pro
32、cedures inTest Method D4218. Colored polypropylene compounds shallbe protected from Ultraviolet (UV) degradation with UVstabilizers.5.3 Rework PlasticClean polypropylene rework plastic,generated from the manufacturers own production of theproduct and having the same minimum physical properties,may b
33、e used by the manufacturer, provided that the pipeproduced meets all the requirements of this specification.5.4 Elastomeric Seal MaterialsElastomeric compoundsand thermoplastic elastomeric compounds used in the manu-facture of sealing rings or gaskets shall meet the requirementsof Specification F477
34、.5.5 LubricantThe lubricant used for assembly of gasketedjoints shall have no detrimental effect of the gasket or on thepipe.5.6 Optional Bell Retaining Bands or External WrapsMonolithically formed bands or stiffening wraps in or on theexternal wall of the bell, when used, shall provide tensilerestr
35、aint to bell expansion due to gasket insertion or internalhydrostatic pressure in accordance with 6.6.4. These bandsshall be made of corrosion resistant materials such as fiberglass(Specification D578/D578M) or stainless steel (SpecificationA666). All metallic mechanical devices, including castings
36、andbolt assemblies used to mechanically restrain the bell shall beconstructed of corrosion resistant stainless steel materialsmeeting the physical properties and chemical compositionrequirements of A666, Type 302 through Type 316.5.6.1 The D578/D578M fiberglass roving or chopped strandshall be an E
37、or S type glass, free of any alkali, dirt or otherimpurities. The band shall consist of overlapping continuous orchopped filament fiber strand and not a fabric.NOTE 1Compound and material properties are typically tested tovalidate a formulation; they are not routine quality assurance tests. Usersreq
38、uiring such testing for quality assurance purposes should insert thesecriteria in their project specifications.6. General Requirements6.1 WorkmanshipThe pipe and fittings shall be homoge-neous throughout and be as uniform as commercially practicalin color, opacity, and density. The pipe walls shall
39、be free ofcracks, holes, blisters, voids, foreign inclusions, or otherdefects that are visible to the naked eye and that may affect thewall integrity. The ends shall be cut cleanly and squarelythrough valleys.6.1.1 Visible defects, cracks, creases, splits, in pipe are notpermissible.6.2 Dimensions a
40、nd Tolerance:6.2.1 Nominal SizeThe nominal size for the pipe andfittings shall be the inside diameter shown in Table 2.6.2.2 Minimum Inside DiameterThe minimum inside di-ameter shall be as shown in Table 2, when measured inaccordance with section 7.3.3. In no case shall the manufac-turers stated ins
41、ide diameter minus the tolerance in Table 2 beless than the required minimum inside diameter.NOTE 2The manufacturers stated inside diameter is the nominaldiameter plus or minus the inside diameter tolerances. The minimuminside diameter is the smallest diameter the pipe can be with thesetolerances an
42、d is used for the hydraulic design of the pipe.NOTE 3The outside diameters and the corrugation pitch of productsmanufactured to this specification are not specified; therefore, compatibil-ity between pipe and fittings made to this specification from differentmanufacturers should be verified.6.2.3 La
43、ying LengthThe pipe shall be supplied in anylaying length agreeable to both the owner and the manufac-turer. Laying length shall not be less than 99 % of statedquantity when measured in accordance with 7.3.2.6.2.4 Minimum Wall, Crest, Valley and Liner ThicknessThe minimum thickness of pipe sections
44、shall meet therequirements given in Table 2 when measured in accordancewith 7.3.3.6.3 Pipe StiffnessMinimum pipe stiffness at 5 % deflec-tion shall meet the requirements given in Table 2 when testedin accordance with 7.4.NOTE 4The 5 % deflection criterion, which was selected for testingconvenience,
45、is not a limitation with respect to in-use deflection. Theengineer is responsible for establishing the acceptable deflection limit.6.4 Pipe FlatteningThere shall be no evidence ofsplitting, cracking, breaking, separation of seams, separation ofTABLE 1 Polypropylene Compound PropertiesProperty ASTMTe
46、stMethodUnits (SI Units) Minimum Value Maximum ValueMelt Flow Rate D1238 g/10 min 0.15 230C 1.50 230CDensity D792,D1505lb/in3(g/cm3) 0.0325 (0.900) 0.0343 (0.950)Tensile Strength at Yield D638 psi (N/mm2) 3500 (24) 4,500 (31)Elongation at Yield D638 % (%) 5 (5) 25 (25)Flexural Modulus (1% secant) D7
47、90B psi (N/mm2) 175 000 (1,200) 275,000 (1,900)IZOD Impact Strength (73.0F 23.0C)D256 ft-lb/in J/m 8 (427) No BreakOxidative-Induction Time (392F 200C) D3895 min 25 200Long-Term Modulus of Elasticity (50-yr) D2990 psi (MPa) 27 000 (186) .Long-Term Tensile Strength (50-yr) D2990 psi (MPa) 1000 (7) .E
48、ditorially corrected in August 2017.F2764/F2764M 1713the outer and inner wall, or combinations thereof, when testedin accordance with 7.5. Additionally, at or below the averagedeflection limit defined in Eq 1 and Eq 2 for dual wall andtriple wall profiles, respectively, the specimen shall be consid-
49、ered as failing this test when the load does not increasecontinuously with increasing deflection.Buckling Defection Limit:Double Wall: 5 0.0107SD0.5Do2 Di!D(1)Triple Wall: 5 0.0129SD0.5Do2 Di!D(2)where: = minimum buckling deflection limit (in/inmm/mm)D = mean diameter (centroid) of pipe (in mm)0.5 (DoDi) = height of the corrugation (outside diameterminus inside diameter)NOTE 5Eq 1 and Eq 2 are based on the results from NCHRP Report631 and is defined as being derived from the standard parallel plate testequation
