1、Designation:F276410a Designation: F2764 11An American National StandardStandard Specification for30 to 60 in. 750 to 1500 mm Polypropylene (PP) Triple WallPipe and Fittings for Non-Pressure Sanitary SewerApplications1This standard is issued under the fixed designation F2764; the number immediately f
2、ollowing the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specific
3、ation covers requirements and test methods for triple wall polypropylene pipe and fittings. The nominal insidediameters covered are 30 to 60 in. 750 to 1600 mm.1.2 The requirements of this specification are intended to provide pipe and fittings suitable for underground use for non-pressuresanitary s
4、ewer systems. Pipe and fittings produced in accordance with this specification shall be installed in compliance withPractice D2321.1.3 This specification covers pipe and fittings with an essentially smooth interior wall, an essentially smooth exterior wall andan annular corrugated profile middle wal
5、l (Fig. 1).1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in eachsystem may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from thetwo systems may result in non-con
6、formance with the standard.1.5 The following precautionary statement applies only to Section 7 of this specification. This standard does not purport toaddress all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establishappropriate sa
7、fety and health practices and determine the applicability of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2A666 Specification for Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat BarD256 Test Methods for Determining the Izod Pendulum I
8、mpact Resistance of PlasticsD618 Practice for Conditioning Plastics for TestingD638 Test Method for Tensile Properties of PlasticsD790 Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating MaterialsD792 Test Methods for Density and Specific Gravity (R
9、elative Density) of Plastics by DisplacementD1238 Test Method for Melt Flow Rates of Thermoplastics by Extrusion PlastometerD1505 Test Method for Density of Plastics by the Density-Gradient TechniqueD1600 Terminology for Abbreviated Terms Relating to PlasticsD2122 Test Method for Determining Dimensi
10、ons of Thermoplastic Pipe and FittingsD2321 Practice for Underground Installation of Thermoplastic Pipe for Sewers and Other Gravity-Flow ApplicationsD2412 Test Method for Determination of External Loading Characteristics of Plastic Pipe by Parallel-Plate LoadingD2444 Test Method for Determination o
11、f the Impact Resistance of Thermoplastic Pipe and Fittings by Means of a Tup (FallingWeight)D2990 Test Methods for Tensile, Compressive, and Flexural Creep and Creep-Rupture of PlasticsD3212 Specification for Joints for Drain and Sewer Plastic Pipes Using Flexible Elastomeric SealsD3895 Test Method
12、for Oxidative-Induction Time of Polyolefins by Differential Scanning CalorimetryD4101 Specification for Polypropylene Injection and Extrusion MaterialsD4218 Test Method for Determination of Carbon Black Content in Polyethylene Compounds By the Muffle-Furnace Technique1This specification is under the
13、 jurisdiction of ASTM Committee F17 on Plastic Piping Systems and is the direct responsibility of Subcommittee F17.62 on Sewer.Current edition approved Dec. 1, 2010. Published January 2011. Originally approved in 2010. Last previous edition approved in 2010 as F2764101.DOI:10.1520/D276410A.Current e
14、dition approved Feb. 15, 2011. Published February 2011. Originally approved in 2010. Last previous edition approved in 2010 as F276410a.DOI:10.1520/D276411.2For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at serviceastm.org. For Annual Book of AS
15、TM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.1This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically
16、possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700
17、, West Conshohocken, PA 19428-2959, United States.D4389 Specification for Finished Glass Fabrics Woven From RovingsD6992 Test Method for Accelerated Tensile Creep and Creep-Rupture of Geosynthetic Materials Based on Time-TemperatureSuperposition Using the Stepped Isothermal MethodF412 Terminology Re
18、lating to Plastic Piping SystemsF477 Specification for Elastomeric Seals (Gaskets) for Joining Plastic PipeF2136 Test Method for Notched, Constant Ligament-Stress (NCLS) Test to Determine Slow-Crack-Growth Resistance ofHDPE Resins or HDPE Corrugated Pipe2.2 AASHTO Standards:3LRFD, Section 12 AASHTO
19、LRFD Bridge Design Specifications 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 Storage3. Terminology3.1 Definitions are in accordance with Terminology F412 and ab
20、breviations are in accordance with Terminology D1600, unlessotherwise specified. The abbreviation for polypropylene is PP.3.2 Definitions of Terms Specific to This Standard:3.3 triple wall, nIn this case, the triple pipe wall construction provides an interior wall in the waterway, an exterior wall t
21、othe soil, and includes ribs, corrugations, or other shapes, which can be either solid or hollow, that helps brace the pipe againstdiametrical deformation.4. Ordering Information4.1 Orders for product made to this specification shall include the following information to adequately describe the desir
22、edproduct:4.1.1 This ASTM designation 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 and branch diameters, and4.1.5.2 Number of fittings per diameter.5. Material
23、s and Manufacture5.1 Pipe and Fabricated FittingsPolypropylene Compounds Polypropylene compounds used in the manufacture of thetriple wall pipe and fittings shall have the minimum properties as shown in Table 1. Polypropylene compounds shall be comprisedof the base polypropylene virgin resin and all
24、 additives, colorants, UV inhibitors and stabilizers. Conditioning sampling,preparation, and testing of molded specimens shall be accordance with the requirements in Specification D4101. For slowcrack-growth resistance of the pipe corrugation, and inner and exterior walls, PP resins shall be evaluat
25、ed using the notchedconstant ligament stress (NCLS) test according to the procedure described in 7.7.1. The average failure time of the five testspecimens shall exceed 100 h with no single test specimens failure time less than 71 h. Compounds shall be tested and validatedon an annual basis or for an
26、y new formulations.5.2 Color and Ultraviolet Stabilization for Pipe and FittingsThe pipe shall be colored or black. Black polypropylenecompounds shall have between 2.0 and 3.0 percent carbon black when tested in accordance with the procedures in Test MethodD4218. Colored polypropylene compounds shal
27、l be protected from Ultraviolet (UV) degradation with UV stabilizers.3Available from American Association of State Highway and Transportation Officials (AASHTO), 444 N. Capitol St., NW, Suite 249, Washington, DC 20001,http:/www.transportation.org.4Available from Standardization Documents Order Desk,
28、 DODSSP, Bldg. 4, Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http:/dodssp.daps.dla.mil.FIG. 1 Typical Triple Wall Pipe ProfileF2764 1125.3 Rework PlasticClean polypropylene rework plastic, generated from the manufacturers own production of the product andhaving the same minimum physic
29、al properties, may be used by the manufacturer, provided that the pipe produced meets all therequirements of this specification.5.4 Elastomeric Seal MaterialsElastomeric compounds and thermoplastic elastomeric compounds used in the manufacture ofsealing rings or gaskets shall meet the requirements o
30、f Specification F477.5.5 LubricantThe lubricant used for assembly of gasketed joints shall have no detrimental effect of the gasket or on the pipe.5.6 Bell Retaining BandsMonolithically formed bands in or on the external wall of the bell, when used, shall provide tensilerestraint to bell expansion d
31、ue to gasket insertion or internal hydrostatic pressure in accordance with 6.6.4. These bands shall bemade of corrosive resistant materials such as fiberglass (Specification D4389) or stainless steel (Specification A666).NOTE 1Compound and material properties are typically tested to validate a formu
32、lation; they are not routine quality assurance tests. Users requiringsuch testing for quality assurance purposes should insert these criteria in their project specifications.6. General Requirements6.1 WorkmanshipThe pipe and fittings shall be homogeneous throughout and be as uniform as commercially
33、practical incolor, opacity, and density. The pipe walls shall be free of cracks, holes, blisters, voids, foreign inclusions, or other defects thatare visible to the naked eye and that may affect the wall integrity. The ends shall be cut cleanly and squarely through valleys.6.1.1 Visible defects, cra
34、cks, creases, splits, in pipe are not permissible.6.2 Dimensions and Tolerance:6.2.1 Nominal SizeThe nominal size for the pipe and fittings shall be the inside diameter shown in Table 2.6.2.2 Minimum Inside DiameterThe minimum inside diameter shall be as shown in Table 2, when measured in accordance
35、with section 7.3.3. In no case shall the manufacturers stated inside diameter minus the tolerance in Table 2 be less than the requiredminimum inside diameter.NOTE 2The manufacturers stated inside diameter is the nominal diameter plus or minus the inside diameter tolerances. The minimum inside diamet
36、eris the smallest diameter the pipe can be with these tolerances and is used for the hydraulic design of the pipe.NOTE 3The outside diameters and the corrugation pitch of products manufactured to this specification are not specified; therefore, compatibilitybetween pipe and fittings made to this spe
37、cification from different manufacturers should be verified.6.2.3 Laying LengthThe pipe shall be supplied in any laying length agreeable to both the owner and the manufacturer. Layinglength shall not be less than 99 % of stated quantity when measured in accordance with 7.3.2.6.2.4 Minimum Wall, Crest
38、, Valley and Liner Thickness The minimum thickness of pipe sections shall meet therequirements given in Table 2 when measured in accordance with 7.3.3.6.3 Pipe StiffnessMinimum pipe stiffness at 5 % deflection shall meet the requirements given in Table 2 when tested inaccordance with 7.4.NOTE 4The 5
39、 % deflection criterion, which was selected for testing convenience, is not a limitation with respect to in-use deflection. The engineeris responsible for establishing the acceptable deflection limit.6.4 Pipe FlatteningThere shall be no evidence of splitting, cracking, breaking, separation of seams,
40、 separation of the outerand inner wall, or combinations thereof, when tested in accordance with 7.5.TABLE 1 Polypropylene Compound PropertiesMelt Flow Rate D1238 g/10 min 0.25 230C 1.50 230CDensity D792, D1505 lb/in3(g/cm3) 0.0325 (0.900) 0.0343 (0.950)Tensile Strength at Yield D638 psi (N/mm2) 3,50
41、0 (24) 4,500 (31)Elongation at Yield D638 % (%) 5 (5) 25 (25)Flexural Modulus (1% secant) D790B psi (N/mm2) 175,000 (1,200) 275,000 (1,900)IZOD Impact Strength (730F 230C) D256 ft-lb/in2kJ/m2 23.8 (50) No BreakOxidative-Induction Time (392F 200C) D3895 min 25 200TABLE 2 Pipe Stiffness and Pipe Dimen
42、tionsPipe InsideDiameterMinimumInsideDiameterInsideDiameterTolerancesMinimumPipe Stiffnessat 5 %DeflectionMinimumInner LinerThicknessMinimumOuter LinerThicknessMinimumValleyThicknessMinimumCrownThicknessin. mm in. mm in. mm lb/in/in kPa in. mm in. mm in. mm in. mm30 750 29.62 752 +0.18/- 0.18 +4.6/-
43、4.6 46 317 0.070 1.8 0.070 1.8 0.081 2.1 0.115 2.936 900 35.40 899 +0.21/- 0.21 +5.3/-5.3 46 317 0.095 2.4 0.095 2.4 0.109 2.8 0.165 4.242 1050 41.31 1049 +0.22/- 0.22 +5.6/-5.6 46 317 0.105 2.7 0.105 2.7 0.121 3.1 0.165 4.248 1200 47.31 1201 +0.27/- 0.27 +6.9/-6.9 46 317 0.105 2.7 0.105 2.7 0.126 3
44、.2 0.170 4.354 1350 53.32 1354 +0.27/- 0.27 +6.9/-6.9 46 317 0.105 2.7 0.105 2.7 0.131 3.3 0.170 4.360 1500 59.30 1506 +0.31/- 0.31 +7.9/-7.9 46 317 0.105 2.7 0.105 2.7 0.137 3.5 0.210 5.3F2764 1136.5 Pipe Impact StrengthThere shall be no evidence of splitting, cracking, breaking, separation of seam
45、s, separation of theouter and inner wall, or combinations thereof, when conditioned in accordance with 7.1 and tested in accordance with 7.6 andexamined under normal light and the unaided eye. The minimum pipe impact strength at 73F (23C) shall be 140 ft-lbf (190 J).6.6 Fittings and Joining Systems:
46、6.6.1 Only fittings and joining systems supplied or recommended by the pipe manufacturer shall be used. Fittings shall beinstalled in accordance with the manufacturers recommendations and meet the same material requirements as the pipe.NOTE 5Fittings may be fabricated from the pipe by a variety of p
47、rocesses including hot plate welding, spin welding or other processes.6.6.2 The joining system(s) shall be of a design that preserves alignment during construction and prevents separation at thejoints while maintaining watertight requirements in accordance with 6.6.3.6.6.3 Pipe and fittings shall ha
48、ve a watertight bell/spigot joint that complies with the laboratory tests defined and described inTest Method D3212 and utilizes a gasket that complies with the requirements of Specification F477. Note that special provisionsmust be taken in order to join field cut pipe that meets the requirements o
49、f Specification D3212.Any component used in the joiningmaterial shall be resistant to effluents being carried in the pipe.6.6.4 Monolithic retaining bands utilized for the bells on joining systems shall have a structural tensile resistance of twice theoperational pressure of the pipeline, but no less than 21.6 psi, when tested in accordance with 6.6.3. In lieu of a full SpecificationD3212 joint test, it shall be acceptable t
