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NCHRP Report 712: Optimization of Tack Coat for HMA Placement (2012)
National Cooperative Highway Research Program (NCHRP)

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Button, Joe, Elseifi, Mostafa A, Scherocman, James A, Mohammad, Louay N, Bae, Abraham, Patel, Nachiketa, Transportation Research Board. "Appendix D - Comparison of the LISST Device and the Simple Shear Tester." NCHRP Report 712: Optimization of Tack Coat for HMA Placement. Washington, DC: The National Academies Press, 2012.

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Page
97
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Page
97
Front Matter (R1-R11)
Summary (1-3)
1.3 Research Scope (4-4)
1.4 Research Approach (5-6)
2.1 Tack Coat Materials (7-7)
2.3 Tack Coat Breaking and Setting Time (8-8)
2.4.1 Equipment (9-9)
2.4.2 Proper Tack Coat Application (10-10)
2.5.1 Laboratory Characterization of Tack Coats (11-13)
2.6 Worldwide Survey (14-18)
3.2.1 HMA Pavement Surface Preparation (19-19)
3.2.3 Tack Coat Application (20-21)
3.2.4 Overlay Construction (22-23)
3.2.6 Specimen Coring and Conditioning (24-26)
3.3 Experiment Plan I: Development of a Test Device to Evaluate the Quality of the Bond Strength of Tack Coat Spray Application in the Field (27-27)
3.6 Experiment Plan IV: Effects of Test Temperature and Its Relationship with Tack Coat Rheology (28-29)
3.8 Experiment Plan VI: Effects of Surface Texture and Permeability on Interface Shear Strength (30-31)
3.9 Theoretical Investigation (32-34)
4.1.2 Types of Tack Coat Applied to Different Pavement Surfaces (35-36)
4.1.3 Findings Related to Tack Coat Application Methods (37-43)
4.1.4 Findings Related to Tack Coat Application (44-44)
4.2 Experiment I: Development of a Test Device to Evaluate the Quality of the Bond Strength of Tack Coat Spray Application in the Field (45-45)
4.2.2 Second Generation of LTCQT (46-47)
4.2.3 Development of Tack Coat Test Procedure Using LTCQT (48-48)
4.2.5 Effect of Tack Coat Temperature on the Ultimate Tensile Strength (49-50)
4.3 Experiment II: Rheological Properties of Tack Coat Materials and Its Relationship to Bond Strength (51-51)
4.3.2 Relationship Between LTCQT Test Results and Tack Coat Rheological Properties (52-52)
4.4 Experiment III: Development of a Laboratory Test Procedure to Measure the Interface Bond Strength (53-54)
4.4.1 Effects of Tack Coat Characteristics on Interface Shear Strength (55-57)
4.4.2 Effect of Confining Pressure (58-59)
4.4.3 Effect of Dusty Conditions of HMA Surface (60-60)
4.5.1 Interface Bond Strength at Various Temperatures (61-64)
4.5.3 Relationship Between Interface Shear Strength and Tack Coat Rheology (65-65)
4.6.1 Effects of Tack Coat Type and Residual Application Rate (66-67)
4.6.3 Effects of Surface Wetness (68-68)
4.7 Experimental VI: Effects of Texture and Permeability on Tack Coat Bond Strength (69-71)
4.8 Theoretical Investigation (72-79)
Section 5 - Conclusions (80-81)
References (82-83)
Appendix A - Worldwide Survey Questionnaire (84-88)
Appendix B - ATacker Displacement Rate Verification Experiment (89-89)
Appendix C - Standard Test Method for Assessing Tack Coat Installation Quality Using the LTCQT (90-96)
Appendix D - Comparison of the LISST Device and the Simple Shear Tester (97-97)
Appendix E - Standard Test Procedure for Measuring Interface Bond Strength in the Laboratory Using the LISST (98-105)
Appendix F - Tack Coat Training Manual (106-134)
Abbreviations used without definitions in TRB publications (135-135)

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OCR for page 97
D-1 D-1 Appendix D Comparison of the LISST Device and the Simple Shear Tester Appendix D is not published herein but can be found at the following address: http://apps.trb. org/cmsfeed/TRBNetProjectDisplay.asp?ProjectID=974.