ASTM D5167-2003 Standard Practice for Melting of Hot-Applied Joint and Crack Sealant and Filler for Evaluation《热用接缝及裂纹粘合密封胶和填充物溶化特性评价的标准实施规范》.pdf

1、Designation: D 5167 03Standard Practice forMelting of Hot-Applied Joint and Crack Sealant and Filler forEvaluation1This standard is issued under the fixed designation D 5167; 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.1. Scope1.1 This practice establishes the procedure for melting orheating, or both, of hot-applied joint and crack sealants a

3、ndfillers in preparation for the making of test specimens used inthe laboratory evaluations of the sealants and fillers. Refer tothe specific standard material specification for sampling re-quirements, test sample quantity, temperatures and times formelting and heating, and the number of specimens r

4、equired fortesting.1.2 This practice is applicable to the hot-applied joint andcrack sealants and fillers used in both portland cement andasphaltic-concrete pavements.1.3 The values stated in SI units are to be regarded as thestandard. The values in parentheses are provided for informa-tion purposes

5、 only.1.4 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 limitations prior to use. For spec

6、ificprecautions see Section 7.2. Referenced Documents2.1 ASTM Standards:D 5535 Terminology Relating to Formed-in-Place Sealantsfor Joints and Cracks in Pavements2E 1 Specification for ASTM Thermometers3E 77 Test Method for the Inspection and Verification ofThermometers3E 171 Specification for Standa

7、rd Atmospheres for Condi-tioning and Testing Flexible Barrier Materials43. Terminology3.1 DefinitionsRefer to Terminology D 5535 for defini-tions of the following terms used in this specification: maxi-mum heating temperature, minimum application temperature.4. Significance and Use4.1 It is intended

8、 that this practice be used by manufactur-ers, users, and testing agencies. The use of this practiceestablishes a uniform procedure for the melting or heating ofhot-applied sealants and fillers. It is not intended to establishtest procedures or conditions of test which are associated witheach of the

9、 joint sealants and fillers.5. Standard Conditions5.1 The laboratory atmospheric conditions, hereinafter re-ferred to as standard conditions, shall be as detailed inSpecification E 171, 23 6 2C (73.4 6 3.6F) and 50 %relative humidity 65 %. The material shall be conditioned for24 h at standard condit

10、ions before melting or heating.6. Apparatus6.1 Laboratory Melter:6.1.1 The equipment for melting of the joint sealant or fillershall be an oil jacketed melter equipped with a mechanicalagitator and thermometers for the oil bath and material in themelting vat.6.1.2 The heat transfer oil shall be a hi

11、gh flash point oil, thatis, in excess of 315C (600F).6.1.3 The heat source shall be thermostatically controlledand capable of maintaining the heat transfer oil temperaturewithin a tolerance of 63C (65F) and capable of heating theoil to a maximum of 288C (550F).6.1.4 The mechanical agitator speed for

12、 the material shall be30 6 5 rpm when fully loaded and the agitator speed for the oilbath shall be such to allow continuous circulation of the oil.6.1.5 Except when adding the sealant or filler sample, orchecking temperature, the melters pots shall be covered withclose fitting lids.1This practice is

13、 under the jurisdiction of ASTM Committee D04 on Road andPaving Materials and is the direct responsibility of Subcommittee D04.33 onFormed-In-Place Sealants for Joints and Cracks in Pavements.Current edition approved July 10, 2003. Published September 2003. Originallyapproved in 1991. Last previous

14、edition approved in 1997 as D 5167 91 (1997).2Annual Book of ASTM Standards, Vol 04.03.3Annual Book of ASTM Standards, Vol 14.03.4Annual Book of ASTM Standards, Vol 15.09.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.6.1.6 Refer to

15、 Fig. 1 and Fig. 2 (bottom discharge type) andFig. 3 (removable can type) for typical laboratory melters. Alsosee Note 1.6.2 The thermometers used in this melting operation shallmeet the requirements of Specification E 1 and be checked forcalibration using Test Method E 77.NOTE 1The removable can ty

16、pe melter as shown in Fig. 3 is verysimilar in design to the melter shown in Fig. 1 and Fig. 2. Fig. 3s pots aredesigned to be removed so the melted material can be poured. Extra caremust be taken when using this type of melter. Check the manufacturersrecommended safety procedures before use.7. Prec

17、autions7.1 Prior to beginning sampling and heating of sealants orfillers, a Material Safety Data Sheet must be obtained from thesealant or filler manufacturer so that proper safe handlingtechniques will be used.FIG. 1 Detailed Drawing of Joint Sealant Laboratory Melting UnitD51670327.2 Maximum Heati

18、ng TemperatureIt is imperative thatthe manufacturers maximum heating temperatures be obtainedfor the material to be evaluated. The temperature of thematerial must not exceed the maximum heating temperature.7.3 The laboratory melter unit should be located under anexhaust hood to disperse fumes.7.4 Jo

19、int/crack sealants and fillers are manufactured from avariety of materials. To avoid compatibility problems, clean themelter so that it is free of all cleaning solvents and previouslymelted material.8. Procedure8.1 Sample Preparation:8.1.1 Obtain the sample which is delivered to the laboratoryfor te

20、sting in accordance with its respective standard materialspecification.8.1.2 Solid MaterialsFor sealants or fillers which aresolid at 23 6 2C (73.4 6 3.6F), cut a complete verticalsection from the material block as illustrated in Fig. 4, in orderto obtain a uniform representative sample and supply e

21、noughproduct to pour all specimens. Also, if present, removecontainer liner by cutting it away. Consult the respectivematerial specification for the required sample size and methodof cutting. Cut the entire vertical section into segments ofapproximately 50 g and place all segments from one verticals

22、ection in the same pot and melt.8.1.3 Liquid MaterialsFor sealants which are liquid at 236 2C (73.4 6 3.6F), stir the sealant to be sampled thor-oughly by hand or mechanically using a suitable stirrer untilthe material consistency is uniform and homogeneous. Consultthe respective material specificat

23、ion for the required samplesize.8.2 Heating Procedure:8.2.1 Heat the oil bath to approximately 8 to 10C above themaximum heating temperature of the material to be tested (see4.1 and 6.2) (refer to the respective material specification forthe maximum oil bath temperature).8.2.2 Sample AdditionThe sam

24、ple pot in the melting unitshall be clean and free of any residue from previous heatedsealants or fillers as well as cleaning materials.8.2.2.1 Solid MaterialsAdd four 50 6 10 g portions of thesealant or filler into the melting units pot and, with the agitatorrunning, bring the material to a pouring

25、 consistency not toexceed the manufacturers maximum heating temperature. Addthe remaining segments at the rate of one 50 g segment/min,stopping the agitator (for not more than 10 s) while making theaddition. If the sample size required by the respective materialspecification is too large to be melte

26、d in one pot, additionalFIG. 2 Detailed Drawing of Joint Sealant Laboratory Melting UnitD5167033vertical samples must be obtained and melted to meet thecorrect sample size. All of the 50 g segments from one verticalsection must be placed in the same pot and melted as part of thetest. Keep the pot(s)

27、 covered at all times and the agitatorrunning, except when adding segments of sealant or filler.8.2.2.2 Liquid MaterialsImmediately after stirring, addthe entire sample portion at one time. If the sample sizerequired by the respective material specification is too large tobe melted in one pot, an ad

28、ditional pot shall be used. Beginmechanical stirring immediately after the sealant is added tothe pot(s).8.2.3 After the solid segments or liquid is added to themelter, regulate the oil bath temperature to bring the sample tothe temperature specified in the respective material specifica-tion within

29、one h from the time the first portion of the materialwas added to the melter. Then, if required, continue heating forthe time and at the temperature required in the respectivematerial specification.8.2.4 Temperature Monitoring:8.2.4.1 When material is to be poured immediately uponreaching the specif

30、ied temperature, check its temperature atmaximum 15 min intervals using an ASTM 2F or 2C thermom-eter to ensure conformance with specified temperature require-ments. Stop the mechanical stirrer when measuring tempera-tures. If material temperatures exceed the maximum heatingtemperature or drop below

31、 the minimum application tempera-ture after the pouring temperature has been reached, discard thesample and redo the heating. Maintain appropriate records oftimes and temperatures to verify conformance with specifica-tion requirements.8.2.4.2 When prolonged heating is required (see Note 2), thesampl

32、e temperature shall be monitored at intervals not to1.16 hp Split phase motor 1140 r/min NEMA 56c2. Paddles to turn 35 r/min3. Heating bath capacity approx. 6 GPM4. Cans submerged in oil bath5. Use stock can No. 3600 Freud Can Co.6. Can size 414 in. dia. by 7 in. tall7. Gear reducer Boston No. F713-

33、50-B5G8. Bearing, Boston bronz No. FB101-149. All frame angles 2 in. by 2 in. by316 in. welded at all joints10. Clip attached to heating bath and hose clamp to keep pot from rotatingFIG. 3 Joint Sealant Laboratory Melting UnitD5167034exceed 30 min to verify conformance to temperature require-ments.

34、If material temperatures exceed the maximum heatingtemperature or drop below the minimum application tempera-ture after the pouring temperature has been reached, discard thesample and redo the heating. Maintain appropriate records oftimes and temperatures to verify conformance with specifica-tion re

35、quirements.NOTE 2Sometimes prolonged heating is required to verify that thematerial can meet all the requirements of the specification when prolongedheating situations happen in the field.9. Sample Pouring9.1 When using a melter with a bottom discharge, discardapproximately the first 50 g of materia

36、l and then pour all testspecimens as required directly from the melter within a periodof 10 min while continuing agitation.9.2 When using a melter with a removable sample pot, stopthe mechanical stirring device and then remove within onemin. Immediately remove the sample pot from the melter andclean

37、 the oil residue from the outer pot surface. Pour allrequired specimens within 2 min following removal of thesample pot from the melter to minimize temperature loss.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this

38、 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 subject to revision at any time by the responsible technical committee and must be

39、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 Headquarters. Your comments will receive careful consideration at a meeting of therespo

40、nsible 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 standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, Wes

41、t 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).FIG. 4 Typical Sealant Units (as supplied in manufacturers original container)D5167035