1、Standard Specification for Performance-Graded Bituminous Sealants AASHTO Designation: MP 25-151American Association of State Highway and Transportation Officials 444 North Capitol Street N.W., Suite 249 Washington, D.C. 20001 TS-4e MP 25-1 AASHTO Standard Specification for Performance-Graded Bitumin
2、ous Sealants AASHTO Designation: MP 25-1511. SCOPE 1.1. This specification covers bituminous sealants graded by performance. Grading designations are related to the average 7-day maximum pavement design temperature and the minimum pavement design temperature shown in Table 1. 2. REFERENCED DOCUMENTS
3、 2.1. AASHTO Standards: T 315, Determining the Rheological Properties of Asphalt Binder Using a Dynamic Shear Rheometer (DSR) TP 85, Apparent Viscosity of Hot-Poured Bituminous Crack Sealant Using Brookfield Rotational Viscometer RV Series Instrument TP 86, Accelerated Aging of Bituminous Sealants a
4、nd Fillers Using a Vacuum Oven TP 87, Measuring Low-Temperature Flexural Creep Stiffness of Bituminous Sealants and Fillers by Bending Beam Rheometer (BBR) TP 88, Evaluation of the Low-Temperature Tensile Property of Bituminous Sealants by Direct Tension Test TP 89, Measuring Adhesion of Hot-Poured
5、Crack Sealant Using Direct Adhesion Tester TP 90, Measuring Interfacial Fracture Energy of Hot-Poured Crack Sealant Using a Blister Test 2.2. ASTM Standard: D5167, Standard Practice for Melting of Hot-Applied Joint and Crack Sealant and Filler for Evaluation 2.3. Sealant Consortium (SC)2: SC-1, Guid
6、elines for Graded Bituminous Sealants SC-2, Test Method for Measuring Apparent Viscosity of Hot-Poured Crack Sealant Using Brookfield Rotational Viscometer RV Series Instrument SC-3, Test Method for Accelerated Aging of Bituminous Sealants SC-4, Sealant Flow and Deformation SC-5, Test Method to Meas
7、ure Low-Temperature Sealant Flexural Creep Stiffness at Low Temperature by Bending Beam Rheometer SC-6, Test Method to Evaluate Sealant Extensibility at Low Temperature by Direct Tension Test SC-7, Direct Adhesion Test Method for Measuring Adhesion of Hot-Poured Crack Sealant Using a Direct Tensile
8、Tester 2015 by the American Association of State Highway and Transportation Officials.All rights reserved. Duplication is a violation of applicable law.TS-4e MP 25-2 AASHTO 3. TERMINOLOGY 3.1. Definition: 3.1.1. bituminous sealantshot poured modified asphaltic materials used in pavement cracks and j
9、oints. 4. ORDERING INFORMATION 4.1. When ordering under this specification, include in the purchase order the performance grade of bituminous crack sealant (SG) required (e.g., (1) MP 25, SG 52-16, or (2) MP 25, SG 64-34). 5. MATERIALS AND MANUFACTURE 5.1. Asphalt binder of the bituminous sealant sh
10、all be prepared by the refining of crude petroleum by suitable methods, with or without the addition of modifiers. 5.2. Modifiers may be any organic material of suitable manufacture that is used in virgin or recycled condition and that is dissolved, dispersed, or reacted in asphalt binder to enhance
11、 its performance. 5.3. The asphalt binder shall be homogeneous, free from water and deleterious materials, and shall not foam when heated to 175C. 5.4. The grades of bituminous crack sealants shall conform to the requirements given in Table 1. 2015 by the American Association of State Highway and Tr
12、ansportation Officials.All rights reserved. Duplication is a violation of applicable law.Table 1Minimum Pavement Design Temperatures Crack Sealant Performance Grade SG 46 SG 52 SG 58 Average 7-day max pavement design temperature, C 46 52 58 Min pavement design temperature, C 46 40 34 28 22 16 10 46
13、40 34 28 22 16 10 46 40 34 28 22 16 10 Apparent Viscosity, TP 85 Installation Temperature Maximum Viscosity (Pas) 3.5 Minimum Viscosity (Pas) 1 Vacuum Oven Residue (TP 86) Dynamic Shear, SC-4 46 52 58 Minimum Flow Coeff. (kPas) 4 Minimum Shear Thinning 0.7 Crack Sealant BBR, TP 87 40 34 28 22 16 10
14、4 40 34 28 22 16 10 4 40 34 28 22 16 10 4 Maximum Stiffness (MPa) 25 Minimum Avg. Creep Rate 0.31 Crack Sealant DTT, TP 88 40 34 28 22 16 10 4 40 34 28 22 16 10 4 40 34 28 22 16 10 4 Minimum Extendibility (%) 85 85 70 55 40 25 10 85 85 70 55 40 25 10 85 85 70 55 40 25 10 Crack Sealant AT, TP 89 40 3
15、4 28 22 16 10 4 40 34 28 22 16 10 4 40 34 28 22 16 10 4 Minimum Load (N) 50 aPavement temperatures are estimated from air temperatures using an algorithm contained in the LTPP Bind program or may be provided by the specifying agency, or by following the procedures as outlined in M 323 and R 35. Cont
16、inued on next page. TS-4eMP25-3AASHTO 2015 by the American Association of State Highway and Transportation Officials.All rights reserved. Duplication is a violation of applicable law.Table 1Minimum Pavement Design Temperatures (continued) Crack Sealant Performance Grade SG 64 SG 70 SG 76 Average 7-d
17、ay max pavement design temperature, C 64 70 76 Min pavement design temperature, C 46 40 34 28 22 16 10 46 40 34 28 22 16 10 46 40 34 28 22 16 10 Apparent Viscosity, TP 85 Installation Temperature Maximum Viscosity (Pas) 3.5 Minimum Viscosity (Pas) 1 Vacuum Oven Residue (TP 86) Dynamic Shear, SC-4 64
18、 70 76 Minimum Flow Coeff. (kPas) 4 Minimum Shear Thinning 0.7 Crack Sealant BBR, TP 87 40 34 28 22 16 10 4 40 34 28 22 16 10 4 40 34 28 22 16 10 4 Maximum Stiffness (MPa) 25 Minimum Avg. Creep Rate 0.31 Crack Sealant DTT, TP 88 40 34 28 22 16 10 4 40 34 28 22 16 10 4 40 34 28 22 16 10 4 Minimum Ext
19、endibility (%) 85 85 70 55 40 25 10 85 85 70 55 40 25 10 85 85 70 55 40 25 10 Crack Sealant AT, TP 89 40 34 28 22 16 10 4 40 34 28 22 16 10 4 40 34 28 22 16 10 4 Minimum Load (N) 50 aPavement temperatures are estimated from air temperatures using an algorithm contained in the LTPP Bind program or ma
20、y be provided by the specifying agency, or by following the procedures as outlined in M 323 and R 35. Continued on next page. TS-4eMP25-4AASHTO 2015 by the American Association of State Highway and Transportation Officials.All rights reserved. Duplication is a violation of applicable law.TS-4e MP 25
21、-5 AASHTO Table 1Minimum Pavement Design Temperatures (continued) Crack Sealant Performance Grade SG 82 Average 7-day max pavement design temperature, C 82 Min pavement design temperature, C 46 40 34 28 22 16 10 Apparent Viscosity, TP 85 Installation Temperature Maximum Viscosity (Pas) 3.5 Minimum V
22、iscosity (Pas) 1 Vacuum Oven Residue (TP 86) Dynamic Shear, SC-4 82 Minimum Flow Coeff. (kPas) 4 Minimum Shear Thinning 0.7 Crack Sealant BBR, TP 87 40 34 28 22 16 10 4 Maximum Stiffness (MPa) 25 Minimum Avg. Creep Rate 0.31 Crack Sealant DTT, TP 88 40 34 28 22 16 10 4 Minimum Extendibility (%) 85 8
23、5 70 55 40 25 10 Crack Sealant AT, TP 89 40 34 28 22 16 10 4 Minimum Load (N) 50 aPavement temperatures are estimated from air temperatures using an algorithm contained in the LTPP Bind program or may be provided by the specifying agency, or by following the procedures as outlined in M 323 and R 35.
24、 2015 by the American Association of State Highway and Transportation Officials.All rights reserved. Duplication is a violation of applicable law.TS-4e MP 25-6 AASHTO 6. SAMPLING 6.1. The material shall be sampled in accordance with R 66. 7. TEST METHODS 7.1. The properties outlined in Sections 5.3
25、and 5.4 shall be determined in accordance with SC-4 and ASTM D5167, TP 85, TP 86, TP 87, TP 88, TP 89, and TP 90. 8. INSPECTION AND CERTIFICATION 8.1. Inspection and certification of the material shall be agreed on between the purchaser and the seller. Specific requirements shall be made part of the
26、 purchase contract. The seller shall provide material handling and storage procedures to the purchaser for each asphalt binder grade certified. 9. REJECTION AND RETESTING 9.1. If the results of any test do not conform to the requirements of this specification, retesting to determine conformity is pe
27、rformed as indicated in the purchase order or as otherwise agreed on between the purchaser and the seller. 10. KEYWORDS 10.1. Asphalt binder; bituminous sealants; direct tension; modifier; performance specifications; pressure aging; rheology. 11. REFERENCES 11.1. Al-Qadi, I. L., E. H. Fini, H. D. Fi
28、gueroa, J. F. Masson, and K. K. McGhee. Adhesion Testing Procedure for Hot-Poured Crack Sealants, Final Report. No. ICT-08-026. Illinois Center for Transportation, Rantoul, IL, December 2008. Reference for SC-7 and SC-8 https:/www.ideals.illinois.edu/bitstream/handle/2142/45986/ICT-08-026.pdf?sequen
29、ce=2 11.2. Al-Qadi, I. L., E. H. Fini, K. K. McGhee, and M. A. Elseifi. Development of Apparent Viscosity Test for Hot-Poured Crack Sealants, Final Report. No. ICT-08-027. Illinois Center for Transportation, Rantoul, IL, December 2008(b). Reference for SC-2 https:/www.ideals.illinois.edu/bitstream/h
30、andle/2142/45987/ICT-08-027.pdf?sequence=2 11.3. Al-Qadi, I. L., J. F. Masson, A. Loulizi, P. Collins, J. R. Woods, S. Bundalo-Perc, and K. K. McGhee. Long-Term Accelerated Aging and Low Temperature BBR Testing of Sealants. Interim Report No. B5508-5. National Research Council of Canada, 2004, 262 p
31、p. Reference for SC-3printed document only 11.4. Al-Qadi, I. L., J. F. Masson, E. Fini, S. H. Yang, and K. K. McGhee. Development of Performance-Based Guidelines for Selection of Bituminous-Based Hot-Poured Pavement Crack Sealant: An Executive Summary Report. VTRC 09-CR7. Virginia Transportation Res
32、earch Council, Charlottesville, VA, 2009. Reference for SC-17 http:/vtrc.virginiadot.org/PubDetails.aspx?PubNo=09-CR7 2015 by the American Association of State Highway and Transportation Officials.All rights reserved. Duplication is a violation of applicable law.TS-4e MP 25-7 AASHTO 11.5. Al-Qadi, I
33、. L., S. H. Yang, J. F. Masson, and K. K. McGhee. Characterization of Low Temperature Mechanical Properties of Crack Sealants Utilizing Direct Tension Test, Final Report. No. ICT-08-028. Illinois Center for Transportation, Rantoul, IL, December 2008. Reference for SC-6 https:/www.ideals.illinois.edu
34、/bitstream/handle/2142/45988/ICT-08-028.pdf?sequence=2 11.6. Al-Qadi, I. L., S. H. Yang, M. A. Elseifi, S. Dessouky, A. Loulizi, J. F. Masson, and K. K. McGhee. Characterization of Low Temperature Creep Properties of Crack Sealants Using Bending Beam Rheometry, Final Report. No. ICT-08-029. Illinois
35、 Center for Transportation, Rantoul, IL, December 2008. Reference for SC-5 https:/www.ideals.illinois.edu/bitstream/handle/2142/45989/ICT-08-029.pdf?sequence=2 11.7. Collins, P., M. Veitch, J. F. Masson, and I. L. Al-Qadi. “Deformation and Tracking of Bituminous Sealants in Summer Temperatures: Pseu
36、do-Field Behavior.” International Journal of Pavement Engineering, Vol. 9, No. 1, 2008, pp. 18. Reference for SC-4 1This provisional standard was first published in 2015. 2These standards were developed through a pooled-fund study sponsored by several AASHTO member departments, the University of Ill
37、inois, Virginia Polytechnic Institute and State University (Virginia Tech), and the National Research Council of Canada. The Sealant Consortium is the designation given to this pooled-fund study. For availability of the individual research reports, see Section 11, References. 2015 by the American Association of State Highway and Transportation Officials.All rights reserved. Duplication is a violation of applicable law.
