ASTM C508-2000(2004) Standard Specification for Asbestos-Cement Underdrain Pipe《石棉水泥地下排水管的标准规范》.pdf
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1、Designation: C 508 00 (Reapproved 2004)American Association StateHighway and Transportation Officials StandardAASHTO No.: M189-81IStandard Specification forAsbestos-Cement Underdrain Pipe1This standard is issued under the fixed designation C 508; the number immediately following the designation indi
2、cates 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 (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers asbestos-cement
3、 perforatedand plain pipe intended for use in the conveyance of drainagewater for the subsurface drainage of highways, airports, farms,foundations, and other similar drainage work.1.2 The text of this standard references notes and footnoteswhich provide explanatory material. These notes and footnote
4、s(excluding those in tables and figures) shall not be consideredas requirements of the standard.1.3 The values stated in SI units are to be regarded as thestandard. The values given in parentheses are for informationonly.1.4 This standard does not purport to address all of thesafety concerns, if any
5、, 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:2C 150 Specification for Portland CementC 458 Test M
6、ethod for Organic Fiber Content of Asbestos-Cement ProductsC 500 Test Methods for Asbestos-Cement PipeC 595 Specification for Blended Hydraulic CementsC 608 Method of Test for Brittle Ring Tensile Strength ofChemically Setting Silicate and Silica Chemical-ResistantMortarsC 618 Specification for Coal
7、 Fly Ash and Raw or CalcinedNatural Pozzolan for Use as a Mineral Admixture inConcreteD 2946 Terminology for Asbestos and Asbestos-CementProducts2.2 Federal Standard:No. 123 Marking for Shipment Civil Agencies32.3 Military Standard:MIL-STD-129 Marking for Shipment and Storage32.4 Other Standards:Uni
8、form Freight Classification Rules4National Motor Freight Classification Rules53. Terminology3.1 Definitions:3.1.1 coupling, ncomponent made from a larger diameterpipe of the same type or class, or of Type II and a higher class,or produced otherwise to yield at least equal performance, forjoining asb
9、estos-cement pipe that when properly installed,forms a silt-tight joint, allows alignment corrections and slightchanges in direction, and provides an assembled joint equiva-lent in serviceability and strength to the pipe sections.3.1.2 loteach 400 m (1300 ft) of pipe or less of a giventype and size
10、manufactured on each machine during a 24-hperiod.3.2 Additional terminology is given in TerminologyD 2946.4. Sizes and Types4.1 Asbestos-cement underdrain pipe furnished under thisspecification shall be known as “asbestos-cement underdrainpipe.” It shall be furnished in nominal inside diameters of 1
11、0,15, 20, 25, and 30 cm (4, 6, 8, 10, and 12 in.). The types of pipeshall be known as Type I and Type II corresponding to thechemical requirements given in Section 9.NOTE 1To assist the purchaser in choosing the type of pipe mostsuitable for his use, guidelines for the definition of aggressiveness o
12、f water1This specification is under the jurisdiction of ASTM Committee C17 onFiber-Cement Products and is the direct responsibility of C17.03 on Asbestos-Cement Sheet Products and Accessories.Current edition approved Nov. 1, 2004. Published January 2005. Originallyapproved in 1963. Last previous edi
13、tion approved in 2000 as C 50800.2For 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.3Available from Standardizat
14、ion Documents Order Desk, Bldg. 4 Section D, 700Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.4Available from the Uniform Classification Commission, Room 1106, 222 S.Riverside Plaza, Chicago, IL 60606.5Available from National Motor Freight Inc., 1616 P. St., N.W., Washington, DC20036.1Copyr
15、ight ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.and of soil environments for selection of the proper type of asbestos-cement pipe are covered in the appropriate sections of Test MethodsC 500.5. Materials and Manufacture5.1 Asbestos-cement
16、underdrain pipe shall be composed ofan intimate mixture of portland cement or portland blast-furnace slag cement described in Specification C 150 orportland blast-furnace slag or pozzolan cements described inSpecification C 595 and asbestos fiber with or without finesilica or additives containing su
17、ch silica meeting SpecificationC 608 that is capable of reacting completely to yield calciumsilicate reaction products upon autoclaving; and asbestos fiber.The mixture shall not contain more than 0.2 % of nondelete-rious organic matter as determined by Test Method C 458. Thematerial shall be of lami
18、nar construction, formed under pres-sure to a homogeneous structure, and cured to meet thephysical and chemical requirements of this specification.6. Crushing Strength6.1 Crushing tests shall be conducted before shipment. Pipeof 30 cm (1 ft lengths) cut from unmachined portions of thepipe shall have
19、 the minimum crushing strength prescribed inTable 1 when tested in accordance with the Procedure sectionof Test Methods C 500, except that when the perforatedunderdrain pipe is tested, the sample shall contain four circum-ferential rows of holes with the first row 4 cm (1.5 in.) from theend. The spe
20、cimen shall be tested with the line of symmetry ofthe rows facing downward, with the rows of holes being in thelower two quadrants.6.2 In case a specimen fails to meet the crushing testrequirement, refer to 13.3.7. Couplings7.1 Each standard, short, or random length of pipe shall beprovided with a c
21、oupling for the purpose of maintainingalignment and to ensure close joints.8. Fittings8.1 Asbestos-cement underdrain pipe fittings shall be suit-able in size, type, crushing strength, and design for the pipewith which they will be furnished.9. Chemical Requirements9.1 When tested in accordance with
22、the Procedure section ofTest Methods C 500, the amount of uncombined calciumhydroxide shall not exceed 1.0 % for Type II pipe.NOTE 2There are no chemical requirements for Type I Pipe.9.2 If the uncombined calcium hydroxide exceeds 1 %, referto 13.4.10. Sizes and Dimensions10.1 The nominal standard l
23、ength for asbestos-cement un-derdrain pipe shall be either 3 or 4 m (10 or 13 ft).Amaximumof 15 % of the total footage of any one size and type for anyorder may be furnished, at the manufacturers option, in pipelengths shorter than specified nominal, but not shorter than 2 m(7 ft). These shall be te
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