PPT-Update on VDOT’s Asphalt Research Activities

2014 VDOT Asphalt Seminars February amp March 2014 1 General Asphalt Research Topics Mixture Research Materials Characterization Support of VDOTIndustry Initiatives Asphalt Quality Task Force. This remark attributed to Henry Ford might well be used to describe the asphalt materials which are chosen to surface the majority of roads and other paved areas despite the fact that eventually under traffic and weathering the natural colour of the In preparing these products asphalt cement is mixed with either a petroleum diluent to produce cutback asphalt or with emulsifiers water and sometimes petroleum diluent to produce emulsified asphalt Once the liquefied asphalt cement is applied durin David Lee, . P.E. . - ARAC Chair. Salem . District . Materials. OUTLINE. Evolution/History. Perceived Underperformance of Superpave Mixes. Task Force Developed to Initiate Potential Research . ARAC Supports Phased Process. 1. 6503 Bridges. 95% in excellent to good condition.. FDOT: 12,088 centerline miles, 42,633 lane miles.. Statewide: 121,446 centerline miles, 267,793 lane miles.. FDOT: 10% centerline miles, 16% lane miles.. &. Construction Inspection. 2015 Asphalt Regional Seminars. Rob Crandol, P.E. . VDOT – Materials Division. Assistant State Materials Engineer. Trenton . Clark, P.E. . Virginia Asphalt Association . Feb. 20 – Fredericksburg | Feb. 25 – Richmond | Mar. 11 – Blacksburg. Pavement Marking Issues & Answers. . Vanloan Nguyen, P.E. . & Harry Campbell, P.E., PTOE. Traffic . Engineering . &. Construction Inspection. 2015 Asphalt Regional Seminars. Rob Crandol, P.E. . VDOT – Materials Division. Assistant State Materials Engineer. Trenton . Clark, P.E. . Virginia Asphalt Association . David Lee, . P.E. . - ARAC Chair. Salem . District . Materials. OUTLINE. Evolution/History. Perceived Underperformance of Superpave Mixes. Task Force Developed to Initiate Potential Research . ARAC Supports Phased Process. 2014. Trenton M. Clark, P.E.. Director of Engineering. Virginia Asphalt Association. Construction Inspection. Representatives of VDOT (consultant or inspector) must be familiar with the VDOT Road and Bridge Specifications as well as Special Provisions that are found in the contract. . Director of Technical Services. Virginia Asphalt Association. Pavement Preservation. Techniques Used in Virginia. What Is Pavement Preservation?. “a program employing a network level, long-term strategy that enhances pavement performance by using an integrated, cost-effective set of practices that extend pavement life, improve safety and meet motorist expectations." . . 1. 2017 Asphalt Regional Seminars. Todd Rorrer. Regional Field Engineer. CO Asphalt Programs. Thin Hot Mix Asphalt Concrete Overlay (THMACO) . Surface Treatments/ Seal Coats . Slurry Surfacing and Micro Surfacing. March 12, 2015. | Blacksburg, VA . Work Zone Safety. Mike Sharkady, ATCS, PLC.. Senior WZ Safety Coordinator. VDOT Southwest Region Operations. Serving Bristol, Salem and Lynchburg Districts. Overview of changes included in the Virginia Work Area Protection Manual, Revision 1 . February 26, 2015. | Fredericksburg, VA . Work Zone Safety. Dale R. Totten, PE. Regional Traffic Engineer. VDOT Central Region Operations. Serving Fredericksburg and Richmond Districts. Overview of changes included in the Virginia Work Area Protection Manual, Revision 1 . &. Construction Inspection. 2015 Asphalt Regional Seminars. Rob Crandol, P.E. . VDOT – Materials Division. Assistant State Materials Engineer. Trenton . Clark, P.E. . Virginia Asphalt Association .