Use of the Multiple Stress Creep Recovery (MSCR) Test Method to Characterize Polymer Modified Asphalt Binders Article (PDF Available) in Journal of Testing and Evaluation 44(1S) 20140061
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(MSCR) PROCEDURE This Technical Brief provides an overview of the intent of the Superpave MSCR procedure to evaluate asphalt binder and its relation to asphalt pavement performance Rationalefor MSCR Procedure The Multiple Stress Creep Recovery (MSCR) test is the latest improvement to the Superpave Performance Graded (PG) Asphalt Binder
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(5) Evaluation of DSR Mike Anderson (Asphalt Institute) Mike Anderson presented work conducted by the Asphalt Institute (AI) to compare results from the MSCR to mixes used in the 1996 Kentucky PG 70 22 study and Interstate 64 near Winchester (Attachment 4) Information from the Kentucky PG 70 22 study was previously published in AAPT
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The Multiple Stress Creep Recovery (MSCR) Test and Specification R Michael Anderson Asphalt Institute John R Bukowski FHWA AASHTO Subcommittee on Materials Annual Meeting Burlington VT August 1 5 2011
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The Use and Performance of Asphalt Binder Modified with Polyphosphoric Acid (PPA) This Technical Brief provides an overview of the implication of the use of Polyphosphoric Acid as a modifier for asphalt binders and implications in relation to asphalt pavement performance Background The modification of asphalt binder to improve performance
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The MSCR test is conducted using the Dynamic Shear Rheometer (DSR) at a specified temperature It is intended for use with residue from T 240 (Rolling Thin Film Oven Test (RTFOT)) The percent recovery value is intended to provide a means for determining the elastic response and stress dependence of polymer modified and unmodified asphalt binders
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MSCR into the binder specification and implement plus grades of PG asphalt binder in light of very small cost increase (less than 5%) and significant performance improvements (over 20% life extension) in plus grade asphalt A 2005 Asphalt Institute study analyzed field performance of asphalt pavement
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The Asphalt Binder Handbook is a comprehensive manual that is devoted entirely to information about asphalt binders or bitumen It is a compilation of the information in many other Asphalt Institute publications along with unpublished information on topics such as the Multiple Stress Creep
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MS 4 The Asphalt Handbook (7th Edition) MS 4 The Asphalt Handbook is the Asphalt Institute's comprehensive manual on the use of asphalt For 70 years it has served the asphalt industry as the primary reference manual for contractors engineers consultants specifiers and user agenci
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State Aid for Local Transportation MS 500 395 John Ireland Boulevard Saint Paul MN 55155 Asphalt Binder Multiple Stress Creep Recovery (MSCR) Overview (November 13 2015) Beginning January 1 2016 Minnesota will implement the latest improvement to the PG grading system Multiple Stress Creep Recovery (MSCR) See the document
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Annual Conference Presentations Access to the presentations files is limited to AMAP members (permanent access) 2019 conference attendees (access to 2019 files for one year) and staff of agencies and academic institutions (permanent access) Asphalt Institute MSCR update North East Asphalt User/Producer Group Author Greg Harder
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Using the Multiple Stress Creep Recoveryy( ) (MSCR) Test Mike Anderson Asphalt Institute John Bukowski FHWA North Central Asphalt User Producer Group MeetingNorth Central Asphalt User Producer Group Meeting 15 February 2012 Indianapolis IN
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Full Implementation of Multiple Stress Creep Recovery (MSCR) A look at 3 Northeast US stat By Greg Harder PE Asphalt Institute Senior Regional Engineer Back in the early 90s the advent of Superpave gave us a performance graded (PG) binder specification known as AASHTO M320
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Understanding the MSCR test and its use in the PG Asphalt Binder Specification Asphalt Institute (2013) [9] Y Mehta A Nolan E Dubois S Zorn E Batten P Shirodkar Correlation between Multiple Stress Creep Recovery (MSCR) Results and Polymer Modification of Binder Final Report
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Understanding the MSCR Test and its Use in the PG Asphalt Binder Specification; Guidance Documents (419KB) Asphalt Institute's Guidance Document on MSCR Implementation (344KB) Asphalt Institute's Guidance Document on using MSCR with AASHTO M320 (771KB) FHWA Tech Brief on the MSCR Procedure (44KB) SEAUPG Use of MSCR to Replace PG Plus Tests
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Using the MSCR Test in Asphalt Binder Specifications Asphalt Institute | Serving the needs of liquid asphalt manufacturers and suppliers worldwide since 1919 Description This webinar is presented to provide the participant with an overview of the multiple stress creep recovery (MSCR) test and its use in asphalt binder specifications
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MSCR test and specification represents a technical advancement over the current PG specification that will allow for better characterization of the high temperature performance related properties of an asphalt binder (Asphalt Institute 2010)
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2 Transportation Research Circular E C147 Development in Asphalt Binder Specifications also be used as an alternative to the various SHRP+ tests In addition to characterizing fundamental properties the MSCR is an easy to use performance related test Multiple binders both neat and polymer modified were evaluated in the development of a
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Influence of Asphalt Binder Properties on the Fatigue Performance of Asphalt Concrete Pavements not a sufficient indicator of the fatigue performance of asphalt concrete (AC) in asphalt
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The PG specification was refined with the introduction of the Multiple Stress Creep Recovery (MSCR) test (AASHTO T 350) along with its corresponding specification AASHTO M332 While this change has been a significant improvement in the characterization of asphalt binders its
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MSCR into the binder specification and implement plus grades of PG asphalt binder in light of very small cost increase (less than 5%) and significant performance improvements (over 20% life extension) in plus grade asphalt A 2005 Asphalt Institute study analyzed field performance of asphalt pavement
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MSCR Criteria AASHTO R 92 R% 16 Good agreement has been established between elastomeric polymer modification and rutting resistance % Recovery above the line indicates the binder is modified with an acceptable elastomeric polymer % Recovery below the line indicates the binder is not modified with an elastomeric polymer Source Asphalt
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mechanical analyzer (DMA) test and surface energy test It was found that the MSCR test and associated specification works better than the current G*/sin based PG specification especially for those highly modified asphalt binders (such as PG64 34) MSCR round robin results among five laboratories clearly indicated that both J nr01 and J nr32
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MSCR research indicates J nr is a major improvement in high temperature PG asphalt testing Much better correlation with rutting in the roadway MSCR % Recovery does a much better job of measuring the presence of polymer and the effectiveness of the polymer in the asphalt than current PG+ tests
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The MSCR test is the latest improvement to the Superpave Performance Graded (PG) Asphalt Binder specification This new test and specification provide the user with a high temperature specification parameter that more accurately indicates the rutting performance of the asphalt binder and is blind to modification It is an improvement in several
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