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TM_D_2315_
_80_1984_scan
ASTN D2315 80 0759530 0025092 2+-s-(ilp Designation:D 2315-80(Reapproved 1984)Standard Methods o f Testing BITUMINIZED FIBER PIPE LAMINATED-WALL This standard is issued under the fixed designation D 2315;the number immediately following the designation indicates the year of original adoption or,in the case of revision,the year of last xvision.A number in parentheses indicates the year of last reapproval.A superscript epsiioa(e)indicates an editorial change since the last revision or reapproval.1.scope of laminated-wall,bituminized fiber pipe.order:1.1 These methods cover the physical testing 1.2 The test methods appear in the following Sections Resistance to Flattening Dry Crushing Strength Wet Crushing Strength Axial Compression Crushing Stre Crushing Strength of Couplings Beam Strength Joint Tightness Longitudinal Permeability Water Absorption Boiling Water Resistance Heat Resistance Chemical Resistance Kerosine Resistance 4tn 8 9 io 14 15 to 20:ngth 21 to25.26 to 29 30 to 35 36 to 38 39 to 42 43 to 48 49 to 53 54 to 51 58 to 60 61 to64 1.3 This standard may involve hazardolis ma-terials.operations,and equipment.This standard does not ptrport to address all o f the sajty prob-lems associated with its use.II is the responsibil-ity o f whoever uses this standard to consult and establish appropriate safety and health practices and determine the applicability o f regulatory limi-tations prior to use.2.Purity of Water 2.1 U s e distilled,demineralized,or rain water,except in cases where tap water may be used if it is known that such will not affect the results.3.Conditioning 3.1 Condition specimens for crushing strength(dry and of couplings),beam strength,axial com-pression strength,and longitudinal permeability,immediately before testing,for not less than 24 h at a temperature of 21 to 24C(70 to 75F).RESISTANCE TO FLATTENING 4.Significance preform.5.Test Specimens 5.1 Accurately and cleanly saw from the pipe two test specimens 76 mm(3 in.)in length and measure the inside diameter.Mark the points at which measurements are taken for identification.4.1 This test measures the quality of the fiber 6.Procedure 5.i Piace the specimens in an oven on a com-mon flat base with their axes parellel,and with the measured diameter in a vertical direction(see Fig.i).Bridge the specimens symmetrically with a flat plate,and symmetrically load the plate with the required load.Maintain the oven at 66 f 1C(150&2F)for 48 h.At the end of 48 h,unload the two pieces,remove from the oven,and allow to cool for at least 1 h at 21 to 24C(70 to 75F)in air,after which measure the inside diameters again between the original marks.7.Report centage of the original diameter.8.Precision 7.1 Report the change in diameter as a per-8.1 Acceptability of results(95%probability)I These methods are under the jurisdiction of ASTM Com-mittee D 8 on Roofing,Waterproofing,and Bituminous Mate-rials and are the direct responsibility of Subcommittee W8.16 on Bituminized Fiber Pipe.Current edition approved Oct.31,1980.Published December 1980.Originally published as D 23 15-64 T.Last previous edi-tion D 2315-76.o NOTICE:This standard has either been superseded and replaced by a new version or discontinued.Contact ASTM International(www.astm.org)for the latest information.ASTM D23L5 80 0757530 0025093 4 is judged by the following criteria:8.1.1 Repeatability-Duplicate results by the same operator should not be considered suspect unless they differ by more than 0.290%change in diameter.8.1.2 Reprodilcibility-Duplicate results by different laboratories should not be considered suspect unless they differ by more than 0.576%change in diameter.DRY CRUSHING STRENGTH 9.Significance 9.1 This test is a measure of the rigidity and strength of the pipe in its circumferential dimen-sion and is indicative of the thoroughness of the impregnation and quality of the fiber preform.10.Apparatus 10.1 Loading Device-Any test machine that will apply the load at a uniform head speed of 12.7 mm(0.5 in.)/min may be used in making the test.The testing machine shall be substantial and rigid throughout,so that the distribution of.the load will not be affected appreciably by the deformation or yielding of any part.10.2 Bearings-For the three-edge-bearing method(see Fig.2)the lower bearing consists of a rigid block with a 25.4-mm(1-in.)wide longi-tudinal groove in the center,the goove having sufficient depth to clear the bottom of the speci-men.Round the top corners of the groove to a radius of approximately 12.7 mm(95 in.).Extend the upper and lower bearings the full length of the specimen.For the flat-plate-bearing method,the upper and lower bearings consist of rigid flat platens,accurateIy parallel.The bearings shall be sufficiently rigid to transmit and receive uniform loads throughout their lengths without deflec-tion,and are so attached to the machine as to transmit and receive the maximum stresses pro-duced by the tests without lost motion,vibration,or sudden shock.Accurately center