1、_I ASTM DL855 89 I 0759530 0023405 9-AMERICAN SOCIETY FOR TESTING AND MATERIALS 1916 Race S I.,Philadelphia.P a.19103 Reprinled from the Annual Book of ASTM Slandards,Copyrighl ASTM If no1 tisled in the current combined index,will appear in the nexl edition.(Designation:D 1855-89 Standard Test Metho
2、ds for Jet-Fuel-Resistant Concrete Joint Sealer,Hot-Poured Elastic Type This standard is issued under the fixed designation D 1855;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 ind
3、icates the year of last reapproval.A superscript epsilon(6)indicates an editorial change since the last revision or reapproval.1,Scope 1.1 These test methods cover the following tests for jet-fuel-resistant concrete joint sealer of the hot-poured elastic type:Sections 5 and 6 Nonimmersed Penetration
4、.I I.4 Immersed Penetration.Solubility.7 Flow.8 Nonimmersed Bond.9.Immersed Bond.i0 1.2 This standard may involve hazardous materials,oper-ations,and equipment.This standard does not purport to address all o f the safety problems associated with its use.It is the responsibility o f the user o f this
5、 standard to establish appropriate safety and health practices and determine the applicability o f regulatory limitations prior to use.2.Referenced Documents 2.1 ASTM Standards:D 5 Test Method for Penetration of Bituminous Materials D217 Test Method for Cone Penetration of Lubricating Grease3 D 362
6、Specificafion for Industrial Grade Toluene4 D471 Test Method for Rubber Property-Effect of Liquids D 1015 Test Method for Freezing Points of High-Purity Hydrocarbons3 D 1 19 1 Methods for Testing Concrete Joint Sealers*D 1217 Test Method for Density and Relative Density(Specific Gravity)of Liquids b
7、y Bingham Pycnometes D 12 18 Test Method for Refractive Index and Refractive Dispersion of Hydrocarbon Liquids3 D 2700 Test Method for Knock=Characteristics of Motor and Aviation Fuels by the Motor Method6 3.Preparation of Sample 3.1 The portion selected for fest shall weigh approxi-mately 1200 g.Wh
8、en one melter is used,divide the test These test methods are under the jurisdiction of ASTM Committee D-4 on Road and Paving Materials and are the direct responsibility of Subcommittee W4.33 on Formed-In-Place Sealants for Joints and Cracks in Pavements.Current edition approved February 24,1989.Publ
9、ished April 1989.Originally published as D 1855-61 T.Lasf previous edition D 1855-69(1985).Annual Book o f ASTM Standards,Vol 04.03.Annirai Book o f ASTM Standards,Vol 05.01.Atttiiral Book o f ASTM Standards,Vol 06.03.Atintral Book ofASTM Slandards,Vol 09.01.Anniral Book o f ASTM Standards,Vol 05.04
10、.(Not available as a separate reprint).sample into 24 segments of 50 f 2 g and add the segments to the melter at the rate of l/min with continued stirring and working.When two melters are used,divide the test sample into 48 segments of 25 k 2 g and add the segments to each meIter at the rate of l/mi
11、n,with continued stirring and working;The pouring temperature of the material and the temperature of the oil bath shall be as recommended by the manufacturer.Continue heating at the recommended pouring temperature until exactly 90 min have elapsed since the first segment was added to the melters.The
12、n pour the test samples.Discard the first 50 to 60 g of material discharged from the melters.The units for melting labora-tory samples shall be of the double-boiler type employing a high Bash point oil as the heat-transfer medium.They shall be so designed and built that the oil shall completely surr
13、ound the sides of the inner or material chamber.Heating shall be thermostatically controlled to maintain the te-mper-ature of the oil within f5F(43C)of that recommended by the manufacturer of the sealer under test.The melting units shall be equipped with a bottom discharge controlled by a knife or b
14、lade valve to permit drawing off of the melted material.Install a mechanical stirrer both in the material chamber and oil bath.Also provide thermometers for continuous reading of the temperature of both the sample being melted and the heat-transfer oil.NOTE I-Safe heating temperature shall be consid
15、ered to be the highest temperature to which the joint sealing material can be heated and stiii conform to the f l o w requirements.This must be at least 2 0 F (I ic)above the manufacturers recommended pouring temperature,or the actual pouring temperature,whichever is higher.NONIMMERSED PENETRATION 4
16、.Procedure 4.1 Determine nonimmersed penetration in accordance with Test Method D 5,except use a penetration cone in place of the standard penetration needle.The cone shall conform to the requirements given in Test Method D 217,except that the interior construction may be modified as desired.The total moving weight of the cone and attach-ments shali be 150.0&O.1 g.IMMERSED PENETRATiON 1-5.Test Fuel 5.1 The test fuel shall be composed of 70 volume%of Test fuel,meeting the requirements of ASTM Tes
