|1:00 PM||Introduction and Team Reports|
|Team 1: Status of Projects 90-01, 90-03 and 90-05||Ascenbrener|
|Team 2: Status of Projects 90-07 and 90-09||Michael|
|Team 3: Status of Projects 90-06, 90-08 and Simple Performance Tester||Nodes|
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.
|1:45 PM||Report of Binder ETG Activities/Issues||D'Angelo|
The Binder ETG Secretary, John D'Angelo will brief on the activities of the Binder ETG.
|2:00 PM||Update on Subcommittee on Materials||Harvey/Tahir|
Brief on proposed changes to specifications being balloted by SOM.
|2:15 PM||Status of AASHTO SOM Standards and ETG Review||Bukowski|
Brief on the timetable of various NCHRP efforts and potential Superpave specification changes that will be sent to the ETG for review.
|2:45 PM||Impact of Raised Dust to Binder Ratio||West|
Brief on the investigation into the source of the dust to binder ratio and the impact changing the ratio to 1.6 for coarse graded mixes.
|3:45 PM||AASHTO Standards Options||Hall|
At the previous meeting the ETG formed a Task Force to review previous ETG efforts to summarize the effects of various options within AASHTO procedures and make recommendations on potential revisions.
|4:30 PM||VMA Properties Coarse/Fine Aggregate||Anderson|
Brief on the results of Asphalt Institute investigation on variation of mixture mechanical with VMA changes.
|End day 1|
September 12, 2000
|8:00am||Superpave Gyratory Compactor Calibration||Harman|
Brief on FHWA/industry activities to develop a device to dynamically measure the SGC angle.
|8:30 am||Air Voids- Relation of Lab to Field||Masad/D'Angelo|
Brief on current efforts to relate laboratory void distribution to in place pavements using X-ray tomography.
|9:00 am||NCHRP Project 9-16||Anderson|
Brief on the status of effort to identify a relationship between SGC and deformation in pavements.
|9:30 am||The Simple Performance Tester||Witczak|
Brief on the results of efforts to identify a simple performance test procedure for mix design and field control (Task C of NCHRP Project 9-19).
|10:30 am||Aggregate Issues and Needs||Marek/All|
Chuck Marek coordinated the development of a white paper to identify on-going aggregate research, areas where additional research is needed, and activities the ETG could undertake to address areas of concern to the aggregate industry. If appropriate the ETG needs to develop NCHRP problem statements to address these concerns.
|11:30 am||Aggregate Gradation Optimization||All|
As a follow-up from last meeting discussion of Bailey Method, ETG members will be asked to report of experiences using this method.
|1:00 PM||Field Validation of Mixtures||D'Angelo|
Brief on procedures used by the FHWA as part of Demonstration Project DP90 for mixture field validation. The need for this procedure was identified in the State survey conducted by the ETG.
|1:30 PM||Result of NCHRP Project 9-12||McDaniels|
Brief on the results of NCHRP 9-12 and the recommendations for the recommendations for the treatment of RAP in Superpave specifications.
|2:15 PM||4.75 mm "Superpave" Mixture||Michael|
Brief on Maryland's and Georgia's successful use of a 4.75 mm size mixture designed using Superpave
|2:45 PM||Pooled Fund Study 176||Gallivan|
Brief on results of results of Purdue pooled fund aggregate study.
|3:15 PM||Multiple Ratio Analysis||Jahn|
Brief on work being conducted to better characterize coarse aggregate shape.
|3:30 PM||FY2002 Research Statements||Ferragut|
Brief on proposed FY2002 Research Statements that will be proposed to AASHTO and discussion of direction of program.
|4:00 PM||Executive Session - ETG Members|