FEDERAL TFHRC PAVEMENT R&D STAFF
Cheryl Richter
Technical Director, Pavement R&D, HRDI-04
202–493–3070
cheryl.richter@fhwa.dot.gov
Primary Responsibilities
- Leadership and technical direction for pavement-related programs and studies
- Promotion of RD&T products
Major Projects
- Program and budget documents
- External partnerships development
- Technology facilitation for pavements
Pavement Materials and Construction Team, HRDI-11
Jack Youtcheff
Team Leader
202–493–3090
jack.youtcheff@fhwa.dot.gov
Primary Responsibilities
- Team Leader
- Pavement Materials and Construction Research
Major Projects
- Understanding the performance of modified binders in asphalt mixes
- Moisture Sensitivity of Asphalt
- OECD Long Life Pavements
- Asphalt Research Consortium
- Asphalt Durability
Backup Persons
Nelson Gibson
Richard Meininger
Ernest Bastian
Materials Research Chemist
202–493–3075
ernest.bastian@fhwa.dot.gov
Primary Responsibilities
- SIMAP Laboratory Manager
- Asphalt rheology and chemistry
Major Projects
- Fundamental properties of asphalt and modified asphalt
- National Research Council research associate manager
Backup Person
Jack Youtcheff
Fred Faridazar
Highway Research Engineer
202-493-3076
fred.faridazar@fhwa.dot.gov
Primary Responsibilities
- Computer guidelines for PCC pavement performance prediction
- Long-term behavior of jointed concrete pavement
- Early-age behavior of continuously reinforced concrete pavement
- Lithium technologies to mitigate or prevent alkali-silica reactivity (ASR)
Major Projects
- Computer-based guidelines for concrete pavements
- HIPERPAV
Backup Person
Richard Meininger
Nelson Gibson
Materials Research Engineer
202–493–3073
nelson.gibson@fhwa.dot.gov
Primary Responsibilities
- Asphalt Laboratory Manager (Binder and Mixture)
- ALF research
- Asphalt technology
Major Projects
- Superpave Modification
- Warm Mix
- Performance tests
- Understanding the performance of modified binders in asphalt mixes
Backup Person
Jack Youtcheff
Vacant
Highway Research Engineer
202–493–3XXX
Primary Responsibilities
- Concrete Materials Research
Backup Person
Richard Meininger
Richard Meininger
Research Highway Engineer
202–493–3191
richard.meininger@fhwa.dot.gov
Primary Responsibilities
- PCC Laboratories Manager
- PCC component materials, properties, and specifications
- PCC mixture proportioning
- PCC properties and performance
- Aggregate Research
Major Projects
- Concrete Mix Design & Analysis
- Rapid test for alkali-silica susceptibility
- PCC freeze-thaw performance
- PCC Thermal Coefficient of Expansion-test method and data for Long-Term Pavement Performance (LTPP) database
Backup Person
Jack Youtcheff
Dennis Sixbey
Materials Research Chemist
202–493–3078
dennis.sixbey@fhwa.dot.gov
Primary Responsibilities
- Laboratory services support
- Surface characteristics
- PCC pavement materials
Backup Person
Jack Youtcheff
Terrence Arnold
Materials Research Chemist
202–493–3305
terrence.arnold@fhwa.dot.gov
Primary Responsibilities
- Chemistry Laboratory Manager
- Asphalt chemistry and technology
Major Projects
- Fundamental properties of asphalt, modified asphalt and alternative materials
- Understanding the performance of modified binders in asphalt mixes
- Akali-Silica reactivity
Backup Person
Jack Youtcheff
Ernest Bastian
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Pavement Design and Performance Modeling Team, HRDI-12
Katherine Petros
Team Leader
202–493–3154
katherine.petros@fhwa.dot.gov
Primary Responsibilities
- Team Leader
- Pavement design and performance modeling
Major Projects
- Mechanistic-Empirical Pavement Design Guide
- Mechanistic performance prediction models
- Performance-related specifications
Backup Person
Peter Kopac
Nadarajah Sivianeswaran
Eric Weaver
Highway Research Engineer
202–493–3153
eric.weaver@fhwa.dot.gov
Primary Responsibilities
- Computation Resource Manager
- Pavement structural design
- Pavement Analysis Techniques
Major Projects
- Design Guide Implementation Team
- Pavement Performance prediction models
- Asphalt Research Consortium
- FWD Calibration Pooled Funds Study
- Geosynthetics in Pavements
Backup Person
Katherine Petros
James Sherwood
Highway Research Engineer
202–493–3150
jim.sherwood@fhwa.dot.gov
Primary Responsibilities
- PCC pavement design and performance
- PCC pavement maintenance and rehabilitation
Major Projects
- Design Guide Implementation Team
- Concrete performance prediction modeling
- Ultra-thin whitetopping
Backup Persons
Katherine Petros
Peter Kopac
Nadarajah Sivaneswaran (Siva)
Highway Research Engineer
202-493-3147
nadarajah.sivaneswaran@fhwa.dot.gov
Primary Responsibilities
- Pavement performance modeling
- Pavement Management Systems
- Life Cycles Cost Analysis
- Remaining Service Life
Major Projects
- Life cycle cost analysis
- Heavy vehicle/tire impacts on pavement damage
- Mechanistic analysis of pavement structures
- Performance prediction modeling
- CA4PR5 development
- Composite Pavements
Backup Persons
Katherine Petros
James Sherwood
Peter Kopac
Highway Research Engineer
202-493-3151
peter.kopac@fhwa.dot.gov
Primary Responsibilities
- Advanced quality systems
- Pavement sperformance-related specifications
- Statistical quality control
- Quality assurance specifications
Major Projects
- Performance-related specifications
- Optimal statistical acceptance procedures
- Relating construction to performance
- Concrete Pavement Road Map
- FRP composites
Backup Persons
Katherine Petros
James Sherwood
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Long-Term Pavement Performance Team, HRDI-13
Aramis López
Team Leader
202–493–3145
aramis.lopez@fhwa.dot.gov
Primary Responsibilities
- LTPP Team Leader
- LTPP product coordination
Major Projects
- LTPP daily operations
- LTPP technical support services
- LTPP international coordination
- TRB LTPP Committee
- TRB LTPP Expert Task Groups (ETG)
Backup Person
Jack Springer
Jack Springer
Highway Research Engineer
202–493–3144
jack.springer@fhwa.dot.gov
Primary Responsibilities
- LTPP field operations
- LTPP materials testing
- LTPP seasonal monitoring data
- LTPP distress data collection
- LTPP Automated Weather Stations
- LTPP Materials Reference Laboratory
- AASHTO SOM Secretary
Major Projects
- Regional contract support
- Resilient Modulus and material testing
- TRB ETG on LTPP operations
Backup Person
Aramis López
Deborah Walker
Highway Research Engineer
202–493–3068
deborah.walker@fhwa.dot.gov
Primary Responsibilities
- LTPP traffic activities
- LTPP communications
Major Projects
- Specific Pavement Studies Traffic Pooled Fund Study
- LTPP traffic analysis software
- LTPP traffic data collection
- LTPP traffic data forecasting and backcasting
- TRB ETG on Traffic
Backup Person
Aramis López
Vacant
Highway Research Engineer
202–493–3xxx
Primary Responsibilities
- LTPP database activities
- LTPP FWD operations
- LTPP documentation
Major Projects
- FWD calibration
- LTPP database management
- TRB ETG on LTPP operation
Backup Person
Aramis López
Larry Wiser
Highway Research Engineer
202–493–3079
larry.wiser@fhwa.dot.gov
Primary Responsibilities
- LTPP Customer Support Service Center(CSSC)
- LTPP data analysis
- LTPP profile measurement
- LTPP data studies and computed parameters
Major Projects
- LTPP CSSC operations
- Data analysis projects and contracts
- TRB ETG on LTPP operation and data analysis
Backup Person
Aramis López
