NCHRP Report 648:

Mixing and Compaction Temperatures of Asphalt Binders in Hot-Mix Asphalt

Status: Not for Sale

Size: 157 pages, 8.5 x 11

Publication Year:2010

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To purchase a copy of this report, please visit www.trb.org.

Authors:
Donald E Watson; Randy C West; Pamela A Turner; John R Casola; Transportation Research Board
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TRB's National Cooperative Highway Research Program (NCHRP) Report 648: Mixing and Compaction Temperatures of Asphalt Binders in Hot-Mix Asphalt explores enhanced test methods for determining laboratory mixing and compaction temperatures of modified and unmodified asphalt binders. ...
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Table of Contents
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Front Matter	i-ix
Summary	1-4	(skim)
A Note on Units of Viscosity	5-5	(skim)
Background on the Development of Mixing and Compaction Temperature Criteria	6-7	(skim)
Effect of Temperature on Degradation of Asphalt Binders	8-8	(skim)
Mixing and Compaction Temperatures for Modified Asphalt Binders	9-9	(skim)
Survey of Current Practices for Determining Mixing and Compaction Temperatures	10-12	(skim)
Zero Shear Viscosity	13-13	(skim)
Shear Rate Dependency	14-14	(skim)
Workability	15-15	(skim)
Shear Rates During Mixing and Compaction	16-18	(skim)
Summary of Key Findings from the Literature Review	19-19	(skim)
Overview of the Experimental Research Plan	20-21	(skim)
Organization of the Test Plan	22-22	(skim)
Part 2: Mixture Tests	23-23	(skim)
Binder Tests	24-29	(skim)
Mixture Tests	30-30	(skim)
Summary of Research Plan	31-32	(skim)
Phase Angle Method	33-33	(skim)
SEP Tests	34-36	(skim)
Analysis of Binder Degradation	37-42	(skim)
Mixture Coating Tests	43-44	(skim)
Mixture Coating Tests with Incompletely Dried Aggregate	45-45	(skim)
Workability Tests	46-46	(skim)
Compaction Tests	47-52	(skim)
Indirect Tensile Creep Compliance and Strength	53-58	(skim)
Correlation of Mixing and Compaction Temperatures	59-65	(skim)
Comparison of SSF and Phase Angle Methods	66-67	(skim)
Validation Experiment Results and Analysis	68-71	(skim)
Summary of Key Findings	72-72	(skim)
Independent Validation	73-73	(skim)
Training	74-75	(skim)
References	76-77	(skim)
Appendix A - Responses of Survey on Agency Specifications Regarding Mixing and Compaction Temperatures	78-83	(skim)
Appendix B - Mix Design Data for Base Mix and Other Compaction Experiment Mixes	84-85	(skim)
Appendix C - Draft AASHTO Standard for Steady Shear Flow and Phase Angle Methods	86-135	(skim)
Appendix D - Statistical Analyses of the Steady Shear Flow and Phase Angle Methods	136-147	(skim)
Abbreviations used without definitions in TRB publications	148-148	(skim)

Description

TRB's National Cooperative Highway Research Program (NCHRP) Report 648: Mixing and Compaction Temperatures of Asphalt Binders in Hot-Mix Asphalt explores enhanced test methods for determining laboratory mixing and compaction temperatures of modified and unmodified asphalt binders.

NCHRP Report 648:

Mixing and Compaction Temperatures of Asphalt Binders in Hot-Mix Asphalt

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