1、Designation: C700 11C700 13Standard Specification forVitrified Clay Pipe, Extra Strength, Standard Strength, andPerforated1This standard is issued under the fixed designation C700; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, th
2、e 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 Department of Defense.1. Scope1.1 This specification establis
3、hes the criteria for acceptance, prior to installation, of extra strength and standard strength vitrifiedclay pipe and fittings to be used for the conveyance of sewage, industrial wastes, and storm water; and extra strength perforatedand standard strength perforated vitrified clay pipe to be used fo
4、r underdrainage, filter fields, leaching fields, and similarsubdrainage installations.1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information only and are not considered standa
5、rd.NOTE 1Attention is called to Specification C425, Test Method C828, Test Method C1091, Test Methods C301, and Terminology C896.1.3 The following precautionary caveat pertains only to theTest Method portion, 5.2-5.2.3.2 of this standard: This standard doesnot purport to address all of the safety co
6、ncerns, if any, associated with its use. It is the responsibility of the user of this standardto establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2C301 Test Methods for Vitrified Clay Pi
7、peC425 Specification for Compression Joints for Vitrified Clay Pipe and FittingsC828 Test Method for Low-Pressure Air Test of Vitrified Clay Pipe LinesC896 Terminology Relating to Clay ProductsC1091 Test Method for Hydrostatic Infiltration Testing of Vitrified Clay Pipe Lines3. Terminology3.1 Defini
8、tionsClay, fire clay, shale, and surface clay are as defined in Terminology C896.4. Materials and Manufacture4.1 Vitrified clay pipe shall be manufactured from fire clay, shale, surface clay, or a combination of these materials that, whenformed into pipe and fired to suitable temperatures, yields a
9、product that conforms to this specification.5. Physical Properties5.1 Bearing Strength:5.1.1 Pipe shall meet the bearing strength requirements of Table 1.5.1.2 The number of specimens to be tested shall not exceed 0.5 % of the number of pipe of each size furnished, except thatno less than two specim
10、ens shall be tested.5.1.3 If any of the test specimens fail to meet the requirements, the manufacturer will be allowed a retest on two additionalspecimens for each one that failed. The pipe will be acceptable if all the retest specimens meet the test requirement.1 This specification is under the jur
11、isdiction of ASTM Committee C04 on Vitrified Clay Pipe and is the direct responsibility of Subcommittee C04.20 on Methods of Testand SpecificationsCurrent edition approved Jan. 1, 2011Jan. 1, 2013. Published January 2011February 2013. Originally approved in 1971. Last previous edition approved in 20
12、092011 asC700 09.C700 11. DOI: 10.1520/C0700-11.10.1520/C0700-13.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM webs
13、ite.This 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 possible to adequately depict all changes accurately, ASTM recommends that users consult prior
14、 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, West Conshohocken, PA 19428-2959. United States15.1.4 If, subsequent to an initial pipe stre
15、ngth failure, the accuracy of the testing equipment is questioned, at the request of themanufacturer, the equipment shall be recalibrated and a retest made or a retest made upon equipment of known accuracy.5.2 Hydrostatic Pressure Test or Absorption Test:5.2.1 The manufacturer shall at his option, a
16、pply either a hydrostatic pressure test or an absorption test to all of the testspecimens in each size and run of the pipe.5.2.2 Hydrostatic Pressure Test:5.2.2.1 When the pipe is subjected to an internal hydrostatic pressure of 10 psi (68.9 KPa) for the elapsed time shown in thefollowing table, the
17、re shall be no leaking on the exterior of the pipe. Moisture appearing on the surface of the pipe in the formof beads adhering to the surface shall not be considered leakage. However, moisture which starts to run on the pipe shall beconstrued as leakage regardless of quantity.Hydrostatic Pressure Te
18、st TimeThickness of Barrelin. (mm) Test Time (min.)Up to and including 1 (25) 7Over 1 (25) including 112 (38) 9Over 112 (38) including 2 (51) 12Over 2 (51) including 212(64)15Over 212 (64) including 3 (76) 18Over 3 (76) 21Hydrostatic Pressure Test TimeThickness of Barrelin. (mm) Test Time (min.)Up t
19、o and including 1 (25) 7Over 1 (25) including 112 (38) 9Over 112 (38) including 2 (51) 12Over 2 (51) including 212(64)15Over 212 (64) including 3 (76) 18Over 3 (76) 215.2.2.2 If any of the test specimens fail to meet the Hydrostatic Pressure Test requirements, a retest will be allowed and the pipeac
20、cepted as provided in 5.1.3.TABLE 1 Minimum Strength (3-Edge Bearing)COLSPEC/colname=“col9“ align=“center“NominalSize, in. (mm)Extra StrengthVitrified Clay Pipelbf/linearftkN/linearmlbf/linearftkN/linearmlbf/linearftkN/linearmlbf/linearftkN/linearm3 (76) 2000 29 . . . . . .3 (76) 2000 29 . . . . . .
21、4 (100) 2000 29 1200 18 1250 18 1000 154 (100) 2000 29 1200 18 1250 18 1000 155 (125) 2000 29 1200 18 1250 18 1000 156 (150) 2000 29 1200 18 1600 23 1000 156 (150) 2000 29 1200 18 1600 23 1000 158 (205) 2200 32 1400 20 1600 23 1000 158 (205) 2200 32 1400 20 1600 23 1000 1510 (255) 2400 35 1600 23 16
22、00 23 1100 1610 (255) 2400 35 1600 23 1600 23 1100 1612 (305) 2600 38 1800 26 1800 26 1200 1812 (305) 2600 38 1800 26 1800 26 1200 1815 (380) 2900 42 2000 29 2200 32 1400 2015 (380) 2900 42 2000 29 2200 32 1400 2018 (455) 3300 48 2200 32 2640 39 1700 2518 (455) 3300 48 2200 32 2640 39 1700 2521 (535
23、) 3850 56 2400 35 3100 45 2000 2921 (535) 3850 56 2400 35 3100 45 2000 2924 (610) 4400 64 2600 38 3520 51 2400 3524 (610) 4400 64 2600 38 3520 51 2400 3527 (685) 4700 69 . . . . . .30 (760) 5000 73 . . . . . .33 (840) 5500 80 . . . . . .33 (840) 5500 80 . . . . . .36 (915) 6000 88 . . . . . .39 (990
24、) 6600 96 . . . . . .39 (990) 6600 96 . . . . . .42 (1065) 7000 102 . . . . . .42 (1065) 7000 102 . . . . . .48 (1220) 8000 117C700 1325.2.3 Absorption Test:5.2.3.1 The absorption of vitrified clay pipe shall not exceed 8%.5.2.3.2 If any of the test specimens fail to meet the absorption requirements
25、, a retest will be allowed and the pipe accepted asprovided in 5.1.3.5.3 Acid Resistance:5.3.1 This test is used to determine the resistance of pipe to the action of acids encountered in sanitary sewers. The test shallbe performed only when specified.5.3.2 The pipe of each size and shipment shall be
26、 acceptable if the acid-soluble matter, from specimens representing such pipe,does not exceed 0.25 %.5.3.3 If any of the tests specimens fail to meet the acid resistance requirements, a retest, representative of the original materiallot, in that particular acid will be allowed and the pipe accepted
27、as provided in 5.1.3.6. Allowable Limits for Dimensional Variation6.1 Sizes and dimensions of pipe are as described in Table 2.6.2 The inside diameter shall not vary from a true circle by more than 3 % of its nominal diameter measured at any one locationalong the pipe barrel.6.3 The average inside d
28、iameter shall be determined by taking any two 90 (1.6-rad) opposing measurements and averaging thereadings.7. Straightness7.1 Pipe shall not deviate from straight by more than 116 in./ft (5 mm/m) of length when the maximum offset is measured fromthe concave side of the pipe.7.2 Measurement shall be
29、taken by placing a straightedge on the concave side of the full length of the pipe barrel, excludingthe spigot joint material or socket, and measuring the maximum distance between the straightedge and concave side of the pipe.TABLE 2 Available Limits for Dimensional VariationCOLSPEC/colname=“col4“ a
30、lign=“center“Nominal Size, in. (mm)A Laying Length Limit of Minus Variation, in./ft(mm/m) Difference in Length of Two Opposite SidesMax, in. (mm)Limit of Minus Variations fromNominal Size in Average InsideDiameter, in. (mm)3 (76) 14 (21) 516 (8) 316 (5)3 (76) 14 (21) 516 (8) 316 (5)4 (100) 14 (21) 5
31、16 (8) 316 (5)4 (100) 14 (21) 516 (8) 316 (5)5 (125) 14 (21) 38 (10) 14 (6)6 (150) 14 (21) 38 (10) 14 (6)6 (150) 14 (21) 38 (10) 14 (6)8 (205) 14 (21) 716 (11) 516 (8)8 (205) 14 (21) 716 (11) 516 (8)10 (255) 14 (21) 716 (11) 38 (10)10 (255) 14 (21) 716 (11) 38 (10)12 (305) 14 (21) 716 (11) 716 (11)1
32、2 (305) 14 (21) 716 (11) 716 (11)15 (380) 14 (21) 12 (13) 916 (14)15 (380) 14 (21) 12 (13) 916 (14)18 (455) 14 (21) 12 (13) 1116 (17)18 (455) 14 (21) 12 (13) 1116 (17)21 (535) 38 (31) 916 (14) 1316 (21)21 (535) 38 (31) 916 (14) 1316 (21)24 (610) 38 (31) 916 (14) 1516 (24)24 (610) 38 (31) 916 (14) 15
33、16 (24)27 (685) 38 (31) 58 (16) 1116 (27)27 (685) 38 (31) 58 (16) 1116 (27)30 (760) 38 (31) 58 (16) 1316 (30)30 (760) 38 (31) 58 (16) 1316 (30)33 (840) 38 (31) 58 (16) 1516 (33)33 (840) 38 (31) 58 (16) 1516 (33)36 (915) 38 (31) 1116 (17) 1716 (37)36 (915) 38 (31) 1116 (17) 1716 (37)39 (990) 38 (31)
34、34 (19) 1716 (37)39 (990) 38 (31) 34 (19) 1716 (37)42 (1065) 38 (31) 78 (22) 1716 (37)42 (1065) 38 (31) 78 (22) 1716 (37)48 (1220) 38 (31)78 (22)1A Specifiers should be aware that all pipe sizes are not universally available.C700 1338. Blisters8.1 Pipe of nominal sizes from 3 in. (76 mm) to 18 in. (
35、455 mm), shall have no blister with a dimension exceeding 3 in. (76mm), and no blister or pimple shall project more than 18 in. (3.2 mm) above the surface of the pipe.8.2 Pipe of nominal sizes over 18 in. (455 mm), shall have no blister exceeding 2 in./ft (165 mm/m) of internal diameter, andno blist
36、er or pimple shall project above the surface of the pipe more than 18 in./ft (10 mm/m) of internal diameter.8.3 Pipe shall have no broken blisters.9. Fractures and Cracks9.1 There shall be no fractures or cracks visible to the unaided eye passing through the barrel or socket, except that a singlecra
37、ck at the spigot end of the pipe not exceeding 75 % of the depth of the socket, or a single fracture in the socket not exceeding3 in. (76 mm) around the circumference nor 2 in. (51 mm) lengthwise is permitted.9.2 Chips or fractures on the interior of the pipe shall not exceed 2 in. (51 mm) in length
38、, 1 in. (25 mm) in width, and a depthof one fourth of the thickness of the barrel.10. Finish of Ends10.1 The ends of pipe shall be square with their longitudinal axes, within the tolerances provided in Table 2.11. Perforations11.1 Perforations shall be circular and cleanly cut, 14 in. (6.4 mm) in di
39、ameter, arranged 3 6 14 in. (76 6 6.4 mm) center tocenter in rows parallel to the longitudinal axis of the pipe. Rows shall be arranged in two equal groups on each side of the verticalcenter line of the pipe. The lowermost rows of perforations shall be separated by an arc of 90 (1.6 rad) measured ac
40、ross the bottomof the pipe. The uppermost rows of perforations shall be separated by an arc of 200 (3.5 rad), measured across the top of the pipe.Spacing of rows between these limits shall be uniform. The total number of rows of perforations for 4, 6, and 8-in. (100, 150, and205-mm) pipe shall be 4;
41、 for 10, 12, and 15-in. (255, 305, and 380-mm) pipe shall be 6; and for 18, 21, and 24-in. (455, 535, and610-mm) shall be 8.11.2 The spigot end of bell-and-spigot perforated pipe shall not be perforated for a distance equal to the depth of the socket.12. Fittings12.1 Fittings shall correspond in all
42、 respects with the dimensions specified for pipe of the corresponding size. Dimensionaltolerances of fittings shall be the same as for straight pipe. All fittings shall conform to the requirements for pipe described inSections 8-10.12.2 Slants shall have their spigot ends cut at an angle of approxim
43、ately 60 (1.0 rad) or 45 (0.8 rad) with the longitudinal axis.12.3 Curves shall have arcs of approximately 90 (1.6 rad), 45 (0.8 rad), 30 (0.5 rad), or 22.5 (0.4 rad) as required.12.4 Fittings shall be made to such lengths as will accommodate the jointing system provided. Tee and wye fittings shall
44、befurnished with spurs of the size specified, securely and completely fastened to the barrel of the fitting in the process of manufacture.The spurs of tee fittings shall have their axes perpendicular to the longitudinal axis of the fitting. The spur of the wye fittings shallhave their axes at angles
45、 of approximately 60 (1.0 rad), or 45 (0.8 rad) to the longitudinal axis of the fitting, measured from thesocket or bell end of the fitting. The barrel of each spur shall be of sufficient length to permit making a proper joint.12.5 Channel pipe and channel fittings shall be approximate half sections
46、 of the corresponding size of straight pipe and fittings.13. Test Methods13.1 Perform tests in accordance with Test Methods C301.14. Inspection14.1 All pipe shall be subject to inspection by a competent inspector employed by the purchaser. Inspection shall be madepromptly at the factory or at the po
47、int of delivery. Rejected pipe shall not be defaced, but shall be replaced by the manufactureror seller without additional cost, with pipe that meets the requirements of this specification.15. Product Marking15.1 Each length of pipe shall bear the initials or name of the manufacturer, and the locati
48、on of the plant. The words “ExtraStrength” or the symbol “ES” shall be included, when applicable, to identify the class of pipe. The markings shall be indented onthe exterior of the pipe or permanently marked by other means at the time of manufacture. All markings shall be clearly legibleto meet the
49、 identification requirements.C700 13416. Keywords16.1 absorption test; bearing strength; bell; chemical resistance; clay; corrosion resistance; drains; fittings; leachate; leachingfields; perforated pipe; pipe; plain end; sewers; spigot; vitrifiedSUPPLEMENTARY REQUIREMENTSThese requirements apply only to Federal/Military procurement, not domestic sales or transfers.S1. Government/Military ProcurementS1.1 Responsibility for InspectionUnless otherwise
