1、Designation: D 2521 76 (Reapproved 2002)e1Standard Specification forAsphalt Used in Canal, Ditch, and Pond Lining1This standard is issued under the fixed designation D 2521; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year
2、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.e1NOTEEditorially switched from inch/pound dominant to SI dominant in April 2002.1. Scope1.1 This specification covers an oxid
3、ized petroleum asphalt,which, when applied in a sufficient thickness over a suitablesubgrade and covered with a suitable cover material, willprovide a satisfactory waterproof membrane for use as a canal,ditch, and pond lining.1.2 The values in SI units are to be regarded as standard.The values in pa
4、rentheses are for information only.1.3 This standard does not purport to address all of thesafety concerns, if any, 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 limit
5、ations prior to use.2. Referenced Documents2.1 ASTM Standards:D 5 Test Method for Penetration of Bituminous Materials2D 6 Test Method for Loss on Heating of Oil and AsphalticCompounds3D 92 Test Method for Flash and Fire Points by ClevelandOpen Cup4D 113 Test Method for Ductility of Bituminous Materi
6、als2D 140 Practice for Sampling Bituminous Materials2D 2042 Test Method for Solubility of Asphalt Materials inTrichloroethylene2D 2398 Test Method for Softening Point of Bitumen inEthylene Glycol (Ring and Ball)53. Physical Requirements3.1 The asphalt shall not foam when heated to 205C(400F), and sh
7、all conform to the requirements prescribed inTable 1.3.2 At the purchasers option, phosphorus pentoxide (P2O5)may be specified as a catalyst or blowing aid in the preparationof the membrane asphalt.4. Sampling and Test Methods4.1 Sample the material and determine the properties enu-merated in this s
8、pecification in accordance with the followingmethods:4.1.1 SamplingPractice D 140.4.1.2 Softening PointTest Method D 2398.4.1.3 PenetrationTest Method D 5.4.1.4 DuctilityTest Method D 113.4.1.5 Flash PointTest Method D 92.4.1.6 Solubility in TrichloroethyleneTest Method D 2042.4.1.7 Loss on HeatingT
9、est Method D 6.5. Inspection5.1 Inspection of the material shall be agreed upon betweenthe purchaser and the seller as part of the purchase contract.6. Rejection and Resubmittal6.1 Failure to conform to any of the requirements prescribedin this specification shall constitute grounds for rejection. I
10、ncase of rejection, the seller shall have the right to reinspect therejected material and resubmit the lot after removal of thepackages not conforming to the requirements.7. Keywords7.1 bituminous materials; canal lining; ditch lining; mem-brane asphalt1This specification is under the jurisdiction o
11、f ASTM Committee D08 onRoofing, Waterproofing, and Bituminous Materials and is the direct responsibility ofSubcommittee D08.03 on Surfacing and Bituminous Materials for MembraneWaterproofing and Builtup Roofing.Current edition approved Sept. 24, 1976. Published December 1976. Originallypublished as
12、D2521 66 T. Last previous edition D2521 71.2Annual Book of ASTM Standards, Vol 04.03.3Annual Book of ASTM Standards, Vol 04.04.4Annual Book of ASTM Standards, Vol 05.01.5DiscontinuedSee 1984 Annual Book of ASTM Standards, Vol 04.04.TABLE 1 Requirements for Asphalt for Use in WaterproofMembrane Const
13、ructionProperty min maxSoftening point (ring and ball), C (F) 79 (175) 93 (200)Penetration of original sample, 0.1 mm:at 25C (77F), 100 g, 5 s 50 60at 0C (32F), 200 g, 60 s 30 .at 46C (115F), 50 g, 5 s . 120Ductility at 25C (77F), mm 35 .Flash point (Cleveland open cup), C (F) 218 (425) .Solubility
14、in trichloroethylene, % 97.0 .Loss on heating, % . 1.0Penetration after loss on heating, % oforiginal at 25C (77F), 100 g, 5 s60 .1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.ASTM International takes no position respecting the val
15、idity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is sub
16、ject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headqua
17、rters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standa
18、rd is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).D 25212
