Laboratory Accelerated Stripping Simulator For Hot Mix Asphalt
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Evaluation Of A Laboratory Accelerated Stripping Simulator For Hot Mix Asphalt Mixes
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Author : Vernon Morgan Moore
language : en
Publisher:
Release Date : 2004
Evaluation Of A Laboratory Accelerated Stripping Simulator For Hot Mix Asphalt Mixes written by Vernon Morgan Moore and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Asphalt categories.
Moisture susceptibility of hot mix asphalt (HMA) pavements continues to be a major pavement distress. Past research has primarily focused on HMA stripping prevention through material component evaluation/testing and addition of preventative additives. Stripping is caused by traffic, water, and high in-place service temperatures. Today, agencies use various methods to evaluate HMA moisture susceptibility with varying degrees of success. The study objective was to evaluate a prototype stripping simulator's ability to predict HMA moisture susceptibility. The simulator evaluates moisture susceptibility by measuring conditioning water turbidity. Boil test and indirect tensile strength testing were also conducted for comparison purposes. Stripping simulator results indicate further refinement is required before it can be used for moisture susceptibility prediction.
Laboratory Accelerated Stripping Simulator For Hot Mix Asphalt
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Author : M. Shane Buchanan
language : en
Publisher:
Release Date : 2005
Laboratory Accelerated Stripping Simulator For Hot Mix Asphalt written by M. Shane Buchanan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Pavements, Asphalt categories.
Evaluation Of A Laboratory Accelerated Stripping Simulator For Hot Mix Asphalt Mixes
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Author :
language : en
Publisher:
Release Date : 2004
Evaluation Of A Laboratory Accelerated Stripping Simulator For Hot Mix Asphalt Mixes written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.
Moisture susceptibility of hot mix asphalt (HMA) pavements continues to be a major pavement distress. Past research has primarily focused on HMA stripping prevention through material component evaluation/testing and addition of preventative additives. Stripping is caused by traffic, water, and high in-place service temperatures. Today, agencies use various methods to evaluate HMA moisture susceptibility with varying degrees of success. The study objective was to evaluate a prototype stripping simulator?s ability to predict HMA moisture susceptibility. The simulator evaluates moisture susceptibility by measuring conditioning water turbidity. Boil test and indirect tensile strength testing were also conducted for comparison purposes. Stripping simulator results indicate further refinement is required before it can be used for moisture susceptibility prediction.
Laboratory Evaluation Of Anti Strip Additives In Hot Mix Asphalt
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Author : Bradley J. Putnam
language : en
Publisher:
Release Date : 2006
Laboratory Evaluation Of Anti Strip Additives In Hot Mix Asphalt written by Bradley J. Putnam and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Asphalt categories.
The use of hydrated lime or other liquid anti stripping agents (ASA) is the most common method to improve the moisture susceptibility of asphalt mixes. However, most laboratory test conditions used to evaluate the moisture susceptibility of the mixes are only for a short duration of time. This might not be a good representation of the field conditions (i.e., several months or years of service). Thus, a study to evaluate the effects of conditioning the mixes for longer durations was initiated. Also, another problem with the use of the liquid anti stripping agents is their heat storage stability. This report addresses these two issues, by preparing and testing mixtures made with fresh binder for indirect tensile strength after conditioning the samples for 1, 7, 28, 90 and 180 days, and samples prepared from binder stored for three days at 160° C after conditioning them for 1, 28 and 90 days. The results of this study indicated that hydrated lime and the liquid anti stripping agents were equally effective for the mixes used in this research when conditioned beyond one day. In the case of samples prepared from stored binder, there was no significant difference in the effectiveness of hydrated lime and the liquid anti stripping agents even after conditioning for one day. Though it was observed that none of the ASA treatments performed better than others in the case of samples prepared with stored binder, it was also observed that almost all mixes gave significantly similar wet ITS and TSR values as samples prepared from fresh binder.
Focus
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Author :
language : en
Publisher:
Release Date : 1989
Focus written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Highway research categories.
Detection Of Stripping In Hot Mix Asphalt
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Author : Michael I. Hammons
language : en
Publisher:
Release Date : 2004
Detection Of Stripping In Hot Mix Asphalt written by Michael I. Hammons and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Asphalt concrete categories.
Asphalt Paving Technology 2011
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Author : Eugene L. Skok
language : en
Publisher: DEStech Publications, Inc
Release Date : 2011-06-28
Asphalt Paving Technology 2011 written by Eugene L. Skok and has been published by DEStech Publications, Inc this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-06-28 with Science categories.
Evaluation Of Hot Mix Asphalt Moisture Sensitivity Using The Nottingham Asphalt Test Equipment
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Author : Sunghwan Kim
language : en
Publisher:
Release Date : 2005
Evaluation Of Hot Mix Asphalt Moisture Sensitivity Using The Nottingham Asphalt Test Equipment written by Sunghwan Kim and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Pavements, Asphalt categories.
Even though moisture sensitivity of Hot Mix Asphalt (HMA) mixtures has been recognized as a major form of distress in asphalt concrete pavements since the advent of asphalt paving technology, the mechanism of this problem has not been clearly identified until now. However, it has been agreed that it can be characterized by the loss of adhesive bond between the asphalt binder and the aggregate or by a softening of the cohesive bonds within the asphalt binder, both of which are due to the action of loading under traffic in the presence of moisture. The evaluation of Hot Mix Asphalt moisture sensitivity has been divided into two categories: visual inspection test and mechanical test. However, most of them have been developed in pre-Superpave mix design. This research was conducted to develop a new test protocol which can overcome the problems of the current procedures and to evaluate the possibility of using the Nottingham Asphalt Tester (NAT) in the resulting procedure.
Flexible Pavement Construction Performance And Recycling
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Author : National Research Council (U.S.). Transportation Research Board
language : en
Publisher: Transportation Research Board National Research
Release Date : 1992
Flexible Pavement Construction Performance And Recycling written by National Research Council (U.S.). Transportation Research Board and has been published by Transportation Research Board National Research this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Technology & Engineering categories.
Hot Mix Asphalt Materials Mixture Design And Construction
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Author :
language : en
Publisher:
Release Date : 2009
Hot Mix Asphalt Materials Mixture Design And Construction written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Asphalt categories.