ASTM D5100-1995a(2005) Standard Test Method for Adhesion of Mineral Aggregate to Hot Bitumen《矿物集了与热沥青粘合性的标准试验方法》.pdf

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1、Designation: D 5100 95a (Reapproved 2005)Standard Test Method forAdhesion of Mineral Aggregate to Hot Bitumen1This standard is issued under the fixed designation D 5100; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of l

2、ast revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This test method determines the adhesion of mineralaggregate when applied over a pour coat of hot bitumen on aroof mem

3、brane.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 establi

4、sh appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2D 226 Specification for Asphalt-Saturated Organic FeltUsed in Roofing and WaterproofingD 312 Specification for Asphalt Used in RoofingD 450 S

5、pecification for Coal-Tar Pitch Used in Roofing,Dampproofing, and WaterproofingD 1079 Terminology Relating to Roofing and Waterproof-ing3. Terminology3.1 DefinitionsFor definitions of terms used in this testmethod, see Terminology D 1079.4. Summary of Test Method4.1 Asmall section of roof surface is

6、 fabricated with roofingfelt or membrane using measured amounts of a bituminouspour coat and mineral aggregate surfacing. The assembly isallowed to cool, the loose aggregate is removed and weighed,and the mass of adhered aggregate is calculated and reported.5. Significance and Use5.1 The quantities

7、of mineral aggregate adhered to thesurface of a roof vary with the characteristics and total amountof the aggregate. Mineral aggregate shields bituminous mem-branes from solar radiation. Unadhered mineral aggregate canbe displaced by wind, water, and traffic, exposing the bitumen.5.2 This test metho

8、d provides a laboratory means of deter-mining and recording the mass of aggregate that adheres to abituminous pour coat.6. Apparatus6.1 Steel Tray, measuring 143 mm (558 in.) 6 1 % squareby 13 mm (0.5 in.) 6 10 % in height.6.2 Scales, for weighing bitumen and mineral aggregate,balance 1.00-kg (2.2-l

9、b) capacity, sensitive to 0.01 % of thecapacity.6.3 Containers, for hot bitumen and mineral aggregate (1-L(1-qt) capacity).7. Procedure7.1 Cut a piece of saturated felt to just cover the bottom ofthe steel tray; the saturated felt shall be Type 1 complying withSpecification D 226.7.2 Attach the satu

10、rated felt to the inside of the tray with athin film of a release agent such as silicone stopcock grease orpetroleum jelly. Lightly grease the insides of the sides of thetray with the same material.7.3 Weigh out 400 g (0.88 lb) of gravel, chert, or trap rock,or 300 g (0.66 lb) of slag mineral aggreg

11、ate surfacing 61%.Record this mass as A. This is equivalent to 19.5 kg/m2(400lb/100 ft2) and 14.6 kg/m2(300 lb/100 ft2), respectively.7.4 Apply top pour coat of bitumen uniformly according toquantities and temperatures listed in Table 1.7.5 Immediately apply mineral aggregate into hot bitumenand spr

12、ead uniformly over entire surface within the tray.Allowthe assembly to cool for 30 min minimum.7.6 Turn sample upside down and collect loose aggregate.Weigh the loose aggregate and record this mass as B.1This test method is under the jurisdiction ofASTM Committee D08 on Roofingand Waterproofing and

13、is the direct responsibility of Subcommittee D08.03 onSurfacing and Bituminous Materials for Membrane Waterproofing and Built-upRoofing.Current edition approved May 1, 2005. Published May 2005. Originallyapproved in 1990. Last previous edition approved in 2004 as D 5100 95a (2004).2For referenced AS

14、TM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshoh

15、ocken, PA 19428-2959, United States.7.7 Repeat the procedure three more times, recording eachindividual mass determination.8. Calculation8.1 Calculate the mass of the adhered aggregate for each testas:C 5 A 2 B (1)where:C = mass of the adhered aggregate in pounds per squarefoot (4.88 (A B) gives the

16、 mass of the adheredaggregate in kg/m2).8.2 Calculate the mean mass of the adhered aggregate Cmbydividing the sum of the four determinations by four.8.3 Calculate an estimate of the standard deviation s by:s 54(C22 (C!212(2)8.4 Calculate the standard error of the mean S by:S 5s2(3)9. Report9.1 Repor

17、t the following information:9.1.1 The type of aggregate, including screen grading, andthe type of bitumen used.9.1.2 The mass of the adhered aggregate for any singledetermination as Cm6 3.18 3 s (95 % level of confidence).9.1.3 The mean mass of adhered aggregate as Cm63.18 3 S.10. Precision and Bias

18、10.1 PrecisionThe precision of this test method dependson the characteristics of the mineral aggregate.The precision ofany single test series can be estimated from the statisticsrequired by the test method. Differences between laboratoriescan be tested with standard statistical techniques such as th

19、enull hypothesis.10.2 BiasThe procedure of this test method for theadhesion of mineral aggregate to hot bitumen has no biasbecause the quantity of aggregate adhered in the laboratory isdefined by this test method.11. Keywords11.1 adhered mineral aggregate; hot bitumen; roofmembraneASTM International

20、 takes no position respecting the validity 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 ow

21、n responsibility.This standard is subject 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 ad

22、dressed to ASTM International Headquarters. 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, a

23、t the address shown below.This standard 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

24、 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).TABLE 1 Bitumen Application Rates and TemperaturesASTM Standard TypeApplicationTemperatureC (F)Application RateSpecification D 312 IIIIIIIV177 6 14 (3506 25 )204 6 14 (4006 25)218 6 14 (425 6 25)232 6 14 (4506 25)60 g/tray or 2.9 kg/m2(60 lb/100 ft2)Specification D 450 IIII182 6 14 (360 6 25)191 6 14 (375 6 25)75 g/tray or 3.7 kg/m2(75 lb/100 ft2)D 5100 95a (2005)2