1、Designation:D51798(Reapproved 2015)Standard Specification forAsphalt Plank1This standard is issued under the fixed designation D517;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses ind
2、icates 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 U.S.Department of Defense.1.Scope1.1 This specification covers asphalt plank used for bridgedecks as well as for ind
3、ustrial floors.1.2 The values stated in SI units are to be regarded as thestandard.The values given in parentheses are for informationonly.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 es
4、tablish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Classification2.1 Type I,aPlain,butt-edge asphalt plank for use as anindustrial flooring.2.2 Type I,bPlain,butt-edge asphalt plank for use on arailroad bridge as a waterproofing
5、 system protection layer.2.3 Type IIShip-lap edge asphalt plank for use on arailroad bridge as a waterproofing system protection layer.3.Ordering Information3.1 The user should state the type and dimensions in thepurchase order.If no type is specified,Type I shall befurnished.4.Materials and Manufac
6、ture4.1 Asphalt plank shall be formed from a mixture of asphalt,fibers,modifiers,or a combination thereof,and mineral filler insuch a manner as to produce a uniformly dense mass.4.2 In the case of Type II asphalt plank,the edges of theplanks shall be of a lap joint configuration.5.Requirements5.1 As
7、phaltThe asphalt cement shall have such character-istics that when combined with the other ingredients,a plankmeeting the requirements of this specification will result.5.2 FiberThe fibrous material shall consist of finely di-vided threads or any natural or synthetic fiber(except asbestos)from free
8、lumps,and when used,shall be in a flocculentcondition.The fabric and fibrous material shall be free from allforeign materials.5.3 Mineral FillerThe mineral filler shall consist of finelycrushed slate,limestone,silica,or other aggregate that hasproven suitable for use with asphalt cement in construct
9、ingpavement wearing surfaces.5.4 AbsorptionThe absorption of asphalt plank shall notexceed 1.0%by weight when tested in accordance with 9.2.5.5 BrittlenessAt least 80%of the specimens tested ofeach thickness of plank shall not show any detrimentalcracking when tested in accordance with the method de
10、scribedin 9.3.5.6 HardnessThe hardness of the plank,when tested inaccordance with the method prescribed in 9.5,shall meet thefollowing requirements:Temperature,Load,Penetration,C(F)kg(lb.)mm(mils)Type I,a25(77)66(30)0.889(35)Type I,b25(77)66(30)1.651(65)Type II25(77)66(30)1.651(65)6.Dimensions,Mass,
11、and Permissible Variations6.1 Asphalt plank shall have the dimensions specified orshown on the plans and determined in accordance with 9.4.Tolerances of 61.6 mm(116in.)in thickness,63.2 mm(18in.)in width and 66.4 mm(14in.)in length will be permitted.Plank sizes shall be 12 in.in width by either 24 i
12、n.or 48 in.inlength.Thickness shall be12in.,34in.,1 in.,or 1.5 in.6.2 The asphalt plank shall conform to the following massrequirements.Specimen Thickness,Min Mass,mm(in.)kg/m2(lbs/ft2)12.7(0.5)0.2(5)19(0.75)0.3(7.5)1This specification is under the jurisdiction of ASTM Committee D04 on Roadand Pavin
13、g Materials and is the direct responsibility of Subcommittee D04.34 onPreformed Joint Fillers,Sealers and Sealing Systems.Current edition approved July 1,2015.Published October 2015.Originallyapproved in 1938.Last previous edition approved in 2008 as D517 98(2008).DOI:10.1520/D0517-98R15.Copyright A
14、STM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 25.4(1.0)0.4(10)37.5(1.5)0.6(15)Specimen Thickness,Min.Mass,mm(in.)kg/m2(lbs/ft2)12.7(0.5)0.2(5)19(0.75)0.3(7.5)25.4(1.0)0.4(10)37.5(1.5)0.6(15)7.Workmanship,Finish,and Appearance7.1 The asphalt plank
15、shall be free from defects affecting itsserviceability and appearance;it shall have straight edges andsquare corners.8.Sampling8.1 For the purpose of testing,three planks shall be selectedat random by the purchaser or his representative for each 1000planks or fraction thereof for each thickness incl
16、uded in theshipment.9.Test Methods9.1 ScopeThe four test methods listed in this section areintended to measure those attributes necessary to measure theability of asphalt plank to provide a reasonably long andsatisfactory service.They are listed as follows:Test MethodSectionAbsorption9.2Brittleness9.3Dimensions9.4Hardness9.59.2 Absorption:9.2.1 ScopeThis test method covers the determination ofwater absorption of asphalt plank.9.2.2 Significance and UseThe ability of the plank towithstand signifi
