ANSI ASTM D2321-2014 Standard Practice for Underground Installation of Thermoplastic Pipe for Sewers and Other Gravity-Flow Applications.pdf
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1、Designation: D2321 141Standard Practice forUnderground Installation of Thermoplastic Pipe for Sewersand Other Gravity-Flow Applications1This standard is issued under the fixed designation D2321; the number immediately following the designation indicates the year oforiginal adoption or, in the case o
2、f 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.This standard has been approved for use by agencies of the U.S. Department of Defense.1NOTEX2.4 was editor
3、ially corrected in September 2014.1. Scope*1.1 This practice provides recommendations for the instal-lation of buried thermoplastic pipe used in sewers and othergravity-flow applications. These recommendations are in-tended to ensure a stable underground environment for ther-moplastic pipe under a w
4、ide range of service conditions.However, because of the numerous flexible plastic pipe prod-ucts available and the inherent variability of natural groundconditions, achieving satisfactory performance of any oneproduct may require modification to provisions containedherein to meet specific project re
5、quirements.1.2 The scope of this practice necessarily excludes productperformance criteria such as minimum pipe stiffness, maxi-mum service deflection, or long term strength. Thus, it isincumbent upon the product manufacturer, specifier, or projectengineer to verify and assure that the pipe specifie
6、d for anintended application, when installed according to proceduresoutlined in this practice, will provide a long term, satisfactoryperformance according to criteria established for that applica-tion. A commentary on factors important in achieving asatisfactory installation is included in Appendix
7、X1.NOTE 1Specific paragraphs in the appendix are referenced in the bodyof this practice for informational purposes.NOTE 2The following ASTM standards may be found useful inconnection with this practice: Practice D420, Test Method D1556, MethodD2216, Specification D2235, Test Method D2412, Specificat
8、ion D2564,Practice D2657, Practice D2855, Test Methods D2922, Test MethodD3017, Practice F402, Specification F477, Specification F545, andSpecification F913.NOTE 3Most Plumbing Codes and some Building Codes haveprovisions for the installation of underground “building drains andbuilding sewers.” See
9、them for plumbing piping applications.1.3 UnitsThe values stated in inch-pound units are to beregarded as standard. The values given in parentheses aremathematical conversions to SI units that are provided forinformation only and are not considered standard.1.4 This standard does not purport to addr
10、ess all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2D8 Terminology
11、 Relating to Materials for Roads and Pave-mentsD420 Guide to Site Characterization for Engineering Designand Construction Purposes (Withdrawn 2011)3D653 Terminology Relating to Soil, Rock, and ContainedFluidsD698 Test Methods for Laboratory Compaction Character-istics of Soil Using Standard Effort (
12、12 400 ft-lbf/ft3(600kN-m/m3)D1556 Test Method for Density and Unit Weight of Soil inPlace by Sand-Cone MethodD2216 Test Methods for Laboratory Determination of Water(Moisture) Content of Soil and Rock by MassD2235 Specification for Solvent Cement for Acrylonitrile-Butadiene-Styrene (ABS) Plastic Pi
13、pe and FittingsD2412 Test Method for Determination of External LoadingCharacteristics of Plastic Pipe by Parallel-Plate LoadingD2487 Practice for Classification of Soils for EngineeringPurposes (Unified Soil Classification System)D2488 Practice for Description and Identification of Soils(Visual-Manu
14、al Procedure)D2564 Specification for Solvent Cements for Poly(VinylChloride) (PVC) Plastic Piping Systems1This practice 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 Aug. 1, 2014. Pub
15、lished September 2014. Originallyapproved in 1989. Last previous edition approved in 2011 as D2321 11. DOI:10.1520/D2321-14E01.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information
16、, refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken,
17、PA 19428-2959. United States1D2657 Practice for Heat Fusion Joining of Polyolefin Pipeand FittingsD2855 Practice for Making Solvent-Cemented Joints withPoly(Vinyl Chloride) (PVC) Pipe and FittingsD2922 Test Methods for Density of Soil and Soil-Aggregatein Place by Nuclear Methods (Shallow Depth) (Wi
18、th-drawn 2007)3D3017 Test Method for Water Content of Soil and Rock inPlace by Nuclear Methods (Shallow Depth)D3839 Guide for Underground Installation of “Fiberglass”(Glass-Fiber Reinforced Thermosetting-Resin) PipeD4318 Test Methods for Liquid Limit, Plastic Limit, andPlasticity Index of SoilsF402
19、Practice for Safe Handling of Solvent Cements,Primers, and Cleaners Used for Joining ThermoplasticPipe and FittingsF412 Terminology Relating to Plastic Piping SystemsF477 Specification for Elastomeric Seals (Gaskets) for Join-ing Plastic PipeF545 Specification for PVC and ABS Injected Solvent Ce-men
20、ted Plastic Pipe Joints (Withdrawn 2001)3F913 Specification for Thermoplastic Elastomeric Seals(Gaskets) for Joining Plastic PipeF1668 Guide for Construction Procedures for Buried PlasticPipe2.2 AASHTO Standard:4AASHTO M145 Classification of Soils and Soil AggregateMixtures3. Terminology3.1 GeneralD
21、efinitions used in this practice are in accor-dance with Terminologies F412 and D8 and Terminology D653unless otherwise indicated.3.2 Definitions:3.2.1 Terminology D653 definitions used in this standard:3.2.2 compaction curve (Proctor curve) (moisture-densitycurve)the curve showing the relationship
22、between the dryunit weight (density) and the water content of a soil for a givencompactive effort.3.2.3 maximum unit weightthe dry unit weight defined bythe peak of a compaction curve.3.2.4 optimum water contentthe water content at which asoil can be compacted to a maximum dry unit weight by agiven
23、compactive effort.3.2.5 percent compactionthe ratio, expressed as apercentage, of: (1) dry unit weight of a soil, to (2) maximumunit weight obtained in a laboratory compaction test.3.3 Definitions of Terms Specific to This Standard:3.3.1 aggregatea granular material of mineral composi-tion such as s
24、and, gravel, shell, slag or crushed stone (seeTerminology D8).3.3.2 deflectionany change in the inside diameter of thepipe resulting from installation and imposed loads. Deflectionmay be either vertical or horizontal and is usually reported asa percentage of the base (undeflected) inside pipe diamet
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