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| FHWA > Engineering > Pavements > Asphalt > ETG |
Superpave Mixture & Aggregate Expert Task Group
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| August 28, 2001 | |
| 7:30 am | Coffee |
| 8:00 am | Introduction/Review of Previous Meeting Action Items Chairman |
| Update of Selected NCHRP Projects Harrigan ETG will in particular focus on final recommendations of NCHRP 9-14 to delete the Restricted Zone, 9-16 efforts using the SGC to identify mix performance, 9-19. |
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| Update on Subcommittee on Materials Harvey/Tahir Discussion and general overview of the SOM process. Brief on status of current changes to specification balloted by SOM, status of ETG recommendations, and activities at August SOM meeting. |
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| Report of Binder ETG Activities/Issues D'Angelo The Binder ETG Secretary, John D'Angelo will brief on the activities of the Binder ETG. |
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| Break | |
| SGC Comparisons and Calibration Task Force Huber/Harman Brief on status of Task Force and FHWA evaluation of an internal angle measuring device and activities to develop an appropriate procedure to address concerns over dissimilar specimens produced by different gyratory compactor. |
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| Lunch | |
| 1:00 PM | AASHTO Standards Options Hall At the previous meeting a Task Force on Standards Review was asked to review T209 and compile recommendations for changes based on recent ASTM changes and simplifications. |
| Field Mixture Verification D'Angelo Discussion of recommended practice for field mix verification and possible referral to AASHTO. |
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| Aggregate Gradation Optimization Huber Follow-up from last meeting's discussion of the Bailey Method, participants experience using the method and final recommendations for procedure/guideline by the ETG. |
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| 4.75 mm "Superpave" Mixture Michael Discussion and review of recommendation for changes to MP2 to incorporate a 4.75 mm nominal size mixture including results of NCAT recent activities. |
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| End day 1 | |
| August 29, 2001 | |
| 7:30 am | Coffee |
| 8:00 am | Tender Zone Study Anderson Working with FHWA, the Asphalt Institute and a team of consultants has developed a moisture test to identify one potential mix tenderness problem. Currently, field evaluations are being conducted. |
| Mixture Performance Testing Using the DSR Reinke Briefing on the work being performed at Mathy Construction that shows promises as an innovative method to evaluate mixture performance characteristics. |
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| Team Reports Status of Projects 90-01 & 90-03 D'Angelo Status of Projects 90-07 & 90-09 Harman The role of these teams is to review and comment on the scope of work of the designated FHWA (NCHRP funded) projects, provide technical input for FHWA consideration, coordinate presentation of deliverables to the ETG for deliberation and make recommendations to the ETG for any necessary action. |
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| Superpave 2005 - Long Range Plan Ferragut Update of current long-range plan developed as a requirement of AASHTO resolution AR-5-98 and future research topics. |
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| 10:00 AM | Executive Session - ETG Members |
| Noon | Adjourn |
John Bukowski
Office of Pavement Technology
202-366-1287
E-mail John
Jack Youtcheff
Turner Fairbank (Materials)
202-493-3090
E-mail Jack
