ASTM C1208 C1208M-2004 Standard Specification for Vitrified Clay Pipe and Joints for Use in Microtunneling Sliplining Pipe Bursting and Tunnels.pdf
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1、Designation: C 1208/C 1208M 04Standard Specification forVitrified Clay Pipe and Joints for Use in Microtunneling,Sliplining, Pipe Bursting, and Tunnels1This standard is issued under the fixed designation C 1208/C 1208M; the number immediately following the designation indicates theyear of original a
2、doption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of lastreapproval. A superscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification establishes the criteria for the manu-facture, qu
3、ality assurance testing, inspection, installation, fieldacceptance testing, and product marking of vitrified clay pipeto be used in microtunneling, pilot tube microtunneling,sliplining, pipe bursting, and in casings and tunnels for theconveyance of sewage, industrial wastes, and storm water.1.1.1 Se
4、ctions 3 through 7 and 9 of this specification containmanufacturing, quality assurance testing, inspection, and prod-uct marking criteria which are applicable to vitrified clay pipeprior to installation.1.1.2 Section 8 of this specification contains criteria for theinstallation and field acceptance
5、testing of vitrified clay pipe.1.2 This specification also covers materials and test require-ments for jointing of the pipe.1.3 The values stated in either inch-pound units or SI unitsare to be regarded separately as standard. Within the text, theSI units are shown in brackets. The values stated in
6、eachsystem are not exact equivalents; therefore, each system shallbe used independently of the other. Combining values from thetwo systems may result in nonconformance with the specifi-cation.1.4 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It
7、 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 67 Test Methods for Sampling and Testing Brick andStructural Clay TileC 301 Te
8、st Methods for Vitrified Clay PipeC 828 Test Method for Low-Pressure Air Test of VitrifiedClay Pipe LinesC 896 Terminology Relating to Clay ProductsC 1091 Test Method for Hydrostatic Infiltration and Exfil-tration Testing of Vitrified Clay Pipe LinesD 395 Test Methods for Rubber PropertyCompressionS
9、etD 412 Test Methods for Vulcanized Rubber and Thermo-plastic Rubbers and Thermoplastic ElastomersTensionD 471 Test Method for Rubber PropertyEffect of LiquidsD 518 Test Method for Rubber DeteriorationSurfaceCrackingD 543 Practices for Evaluating the Resistance of Plastics toChemical ReagentsD 573 T
10、est Method for RubberDeterioration in an AirOvenD 1149 Test Method for Rubber DeteriorationSurfaceOzone Cracking in a ChamberD 2240 Test Method for Rubber PropertyDurometerHardness3. Terminology3.1 Definitions Terminology C 896 can be used for clari-fication of terminology in this specification.PIPE
11、4. Materials and Manufacture4.1 Vitrified clay pipe shall be manufactured from fire clay,shale, surface clay, or a combination of these materials that,when formed into pipe and fired to suitable temperatures,yields a product that conforms to this specification.4.2 Test Requirements for Pipe:4.2.1 Te
12、st Samples:4.2.1.1 When requested, test samples representative of thepipe to be used shall be selected by the purchaser or hisrepresentative from the suppliers stock.4.2.1.2 The number of samples to be tested shall not exceed0.5 % of the number of pipe of each size furnished, except thatno less than
13、 three samples shall be tested.4.2.1.3 If any of the test samples fail to meet the require-ments of 4.2.2 through 4.2.5, the manufacturer will be allowedto retest two additional samples representative of the original1This specification is under the jurisdiction of ASTM Committee C04 onVitrified Clay
14、 Pipe and is the direct responsibility of Subcommittee C04.20 onMethods of Test and Specifications.Current edition approved July 1, 2004. Published August 2004. Originallyapproved in 1991. Last previous edition approved in 2002 as C 1208/C 1208M02.2For referenced ASTM standards, visit the ASTM websi
15、te, 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.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United State
16、s.material for each one that failed. The pipe will be acceptable ifall retest samples meet the test requirements. If any of there-test pipe fail, the lot shall be rejected.4.2.1.4 If, subsequent to an initial test failure, the accuracyof the testing equipment is questioned, at the request of themanu
17、facturer, the equipment shall be recalibrated and a retestmade or a retest made using other equipment of knownaccuracy.4.2.2 Bearing Strength Pipe shall meet the bearingstrength requirements of Table 1 or Table 2.4.2.3 Compressive Strength Test:4.2.3.1 This test is used to determine the compressives
18、trength of pipe material. This test shall be performed onlywhen specified.4.2.3.2 Pipe material shall have a minimum compressivestrength of 7000 psi 48 MPa.4.2.3.3 The testing machine shall be of a type havingsufficient capacity and capable of providing the rates of loadingprescribed. The bearing ar
19、ea from which the force will beapplied shall be spherically seated.4.2.3.4 The specimen shall be a cylinder cut from the pipeso that the length of the specimen is along the longitudinal axisof the pipe. The cylinder shall have a minimum diameter of 1in. (25 mm) for pipe wall thicknesses through 2 1/
20、2 in. (64 mm)and 2 in. (51 mm) for greater wall thicknesses and a diameterto length ratio of 1:1. The tolerance of the diameter and lengthshall be + 10 % 0 %. Measurements shall be made to thenearest 0.001 in. (0.025 mm).4.2.3.5 The test load on the specimen shall be centeredaxially on the ends of t
21、he cylinder.4.2.3.6 The bearing surfaces of the specimen shall beparallel planes and perpendicular to the vertical axis.4.2.3.7 The bearing surface of the test samples shall beground to planes, parallel within 0.002 in. (0.05 mm). The useof capping material is not permitted.4.2.3.8 Apply the load up
22、 to 3500 psi 24 MPa. Theremaining required load is applied at the uniform rate in notless than 1 min nor more than 2 min.4.2.3.9 Calculate and report the compressive strength asfollows:Compressive Strength, C 5 W/A (1)where:C = compressive strength of the specimen, psi (kPa) to thenearest 100 psi 69
23、0 kPa,W = recorded load, lbf kgf/mm2, indicated by the testingmachine, andA = average of the gross areas of the upper and lowerbearing surfaces of the specimen, in.2mm2tothenearest 0.04 in.226 mm2.4.2.4 Hydrostatic Pressure Test or Absorption Test:4.2.4.1 The manufacturer shall, at his option, apply
24、 either ahydrostatic pressure test or an absorption test to all of the testspecimens.4.2.4.2 Hydrostatic Pressure TestWhen the pipe is sub-jected to an internal hydrostatic pressure of 10 psi 69 kPa forthe elapsed time indicated in Tables 3 and 4, there shall be noleakage. Moisture appearing on the
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