ASTM_D_2418_-_88_scan.pdf

ASTM D291B B8 0757510 0025948 4 W 7 4b Designation:D 2418-88 AMERICAN SOCIETY FOR TESTING AND MATERIALS 1916 Race St.,Philadelphia,Pa.19103 Reprinted from the Annual Book of ASTM Standards,Copyright ASTM if not ilsted In the current combined index,will appear in the next editlon.Standard Specification for Perforated,Laminated-Wall Bituminized Fiber Pipe for Airport and Highway Drainage T h i s standard is issued under the futed designation D 2418;the number immediately following the designation indicates the year of original adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon(6)indicates an editorial change since the last revision or reapproval.1.Scope 1.1 This specification covers laminated-wall bituminized fiber perforated drainage pipe for use in airport and highway drainage with infiltration and where relatively heavy wheel loadings will be experienced.1.2 The values stated in SI units are to be regarded as the standard.2.Referenced Document 2.1 ASTM Standard:D 23 15 Methods of Testing Laminated-Wall Bituminized Fiber Pipe2 13.Materials and Manufacture 3.1 Pipe and Couplings-Pipe and couplings shall be composed of a multi-ply laminated convolute or spiral fibrous structure,with the laminations being adhered with a heat and water-resistant adhesive and then thoroughly im-pregnated with a bituminous compound.The pipe shall have a smooth interior surface free of obstructions and rough or flaky areas.Fittings shall be of the same material as the pipe,or of a material having equal or better physical and chemical 4.2 Crushing Strength Tests-The pipe shall have a min-imum three-edge-bearing crushing strength as prescribed in Table 4.4.3 Water Absorption Test-The maximum water absorp-tion shall be 2%of the original weight.4.4 Boiling Water Resistance-Specimens shall exhibit not less than 90%of the crushing strength.4.5 Heat Resistance-The heat shall not cause a weight loss over 1%in the specimen due to the exudation of the impregnant.4.6 Chemical Resistance-Specimens shall show no vis-ible sign of chemical reaction or deterioration of the impregnant.4.7 Kerosine Resistance-Specimens shall meet the dry crushing strength requirements.5.Dimensions 5.1 Pipe and Couplings-The dimensions of the pipe and couplings shall be as specified in Figs.1 and 2,and Table 1.5.2 Five-Degree Angle Couplings-The dimensions of 5-angle couplings shail be as specified in Fig.3 and Table 2.5.3 Bore-The bore shall be straight and circular in cross properties.3.2 Joint Systems-Pipe and fittings shall use either of the following joint systems:with accurately machined or molded tapered joints,and a taper-sleeve coupling shall be provided for each length of pipe and for each fitting where applicable.The slope of the taper in both pipe and coupling shall be 2(4 including angle)(see Fig.1).3.2.2 Type BJ Joints-Pipe and fittings shall have squarely cut ends,and a split-collar coupling shall be provided for each length of pipe and for each fitting where applicable(see Fig.2).section as determined by passing a-I-m(40-in.)long man-drei,6.4 mm in,)smaller in diameter than the nominal diameter of the pipe,freely through the pipe.increments of 152 mm(6 in.)from standard,and otherwise specified,up to 20%of short lengths may be supplied in a shipment.No lengths shorter than 1.2 m(4 ft)shall be furnished,with no more than two different short lengths in any One shipment.5.5 Perforations-The perforations shall be CkCUlar in shape and arranged in rows along the axis ofthe Pipe.They shall be 7.9 f 1.6 mm(5/16 f/I6 in.)in diameter and shall be spaced approximately 76 mm(3 in.)center-to-center along 3.2.1 Type TJ Joints-Pipe and fittings shall be provided 5.4 Length-Lengths other than standard be in 4.Physical and Chemical Requirements 4.1 Resistance to Flattening Test-The requirements for resistance to flattening shall be that the decrease in diameter shall not exceed 3%,when loaded in accordance with Table the rows,The rows of perforations shall be arranged in equal groups placed symmetrically on each side of a segmegt conesponding to the flow line of the pipe.Where two rows are required,they shall be separated by an arc of where four rows are required,the inner rows be J.separated by an arc of 100 f lo;and the outer rows by an arc of 150 f lo.The number of rows shall be as follows:I This specification is under the jurisdiction of ASTM Committee D-8 on Inside diameter 75 100 125 150 200 250 300 375 Roofing,Waterproofing,and Bituminous Materials and is the direct responsibility of pipe,mm(3)(4)(5)(6)(8)(10)(12)(15)of Subcommittee W8.16 on Bituminized Fiber Pipe.Current edition approved Feb.1,1988.Published April 1988.Originally Number of 22444444 published as D 2418-65 T.Last previous edition D 2418-77(1981).(in.)rows of perforations Annital Book of ASTM Standards,Vol 04.04.NOTICE:This standard has either been superseded and replaced by a new version or discontinue