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Publication Number: FHWA-HRT-05-053
Date: September 2005

Long-Term Plan for Concrete Pavement Research and Technology - The Concrete Pavement Road Map: Volume II, Tracks

Figure 1.

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Figure 1. Bar Chart. Track 1 (MD) subtrack and problem statement phasing chart.

Track 1 (MD) subtrack and problem statement phasing chart.The horizontal bar chart in this figure shows the approximate time phasing of the problem statements in track 1, Performance-Based Concrete Pavement Mix Design System (MD), grouped by subtrack across 10 years. There are four subtracks in track 1: (1) PCC Mix Design System Development and Integration; (2) PCC Mix Design Laboratory Testing and Equipment; (3) PCC Mix Design Modeling; and (4) PCC Mix Design Evaluation and Implementation.

In subtrack 1, the problem statements are arranged as follows: Problem Statement MD 1.0. Framework for PCC Mix Design System Development and Integration extends from years 1 to 3; Problem Statement MD 1.1. PCC Pavement Mix Design System Integration Stage 1: Volumetrics-Based Mix Design (Mix Proportioning) extends from years 2 to 5; Problem Statement MD 1.2. PCC Pavement Mix Design System Integration Stage 2: Property-Based Mix Design extends from years 4 to 7; Problem Statement MD 1.3. PCC Pavement Mix Design System Integration Stage 3: Performance-Based Mix Design extends from years 6 to 9; Problem Statement MD 1.4. PCC Pavement Mix Design System Integration Stage 4: Functionally Based Mix Design extends from years 8 to 10; and Problem Statement MD 1.5. Integrating Recycled Materials into PCC Mix Design System extends from years 5 to 10.

In subtrack 2, the problem statements are arranged as follows: Problem Statement MD 2.0. Framework for PCC Mix Design Laboratory Testing and Equipment extends from years 1 to 3; Problem Statement MD 2.1. Laboratory Mixer to Replicate PCC Field Batching extends from years 2 to 4; Problem Statement MD 2.2. Laboratory Compactor to Replicate Concrete Paving Practice extends from years 2 to 4; Problem Statement MD 2.3. Aggregate Tests for PCC Mix Characterization extends from years 2 to 10; Problem Statement MD 2.4. Performance-Based Cementitious Materials Specifications extends from years 2 to 6; Problem Statement MD 2.5. PCC Mix Durability Tests extends from years 2 to 10; Problem Statement MD 2.6. PCC Mix Compatibility Tests extends from years 2 to 10; Problem Statement MD 2.7. PCC Mix Property Test Development extends from years 2 to 8; Problem Statement MD 2.8. PCC Mix Thermal Tests extends from years 3 to 6; Problem Statement MD 2.9. PCC Mix Performance Testing Equipment extends from years 5 to 10; Problem Statement MD 2.10. PCC Mix Functional Testing Equipment extends from years 7 to 10; and Problem Statement MD 2.11. Expert System for PCC Mixes extends from years 3 to 10.

In subtrack 3, the problem statements are arranged as follows: Problem Statement MD 3.0. Framework for PCC Mix Design Modeling extends from years 1 to 3; Problem Statement MD 3.1. Aggregate Models for Optimizing PCC Mixtures extends from years 2 to 4; Problem Statement MD 3.2. Fresh PCC Pavement Behavior Models extends from years 3 to 7; Problem Statement MD 3.3. Hardened PCC Pavement Behavior Models extends from years 3 to 8; Problem Statement MD 3.4. Improved PCC Pavement Performance Models Adaptation extends from years 3 to 7; Problem Statement MD 3.5. Functional PCC Pavement Models Adaptation extends from years 4 to 9; Problem Statement MD 3.6. Characterizing Concrete Materials Variability extends from years 2 to 7; Problem Statement MD 3.7. PCC Mix Model Calibration extends from years 4 to 8; and Problem Statement MD 3.8. PCC Mix Model Validation extends from years 5 to 10.

In subtrack 4, the problem statements are arranged as follows: Problem Statement MD 4.0. Framework for PCC Mix Design Evaluation and Implementation extends from years 1 to 3; Problem Statement MD 4.1. PCC Pavement Mix Design System Conferences and Workshops extends from years 3 to 10; Problem Statement MD 4.2. Support for FHWA Mobile Concrete Laboratory Demonstrations extends from years 3 to 10; Problem Statement MD 4.3. Standardized Databases and Electronic Communications Protocols for the Concrete Pavement Industry extends from years 2 to 10; Problem Statement MD 4.4. Web-Based Training System for Implementation of PCC Research Products extends from years 3 to 10; and Problem Statement MD 4.5. PCC Mix Design Equipment for States extends from years 6 to 10.

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The Federal Highway Administration (FHWA) is a part of the U.S. Department of Transportation and is headquartered in Washington, D.C., with field offices across the United States. is a major agency of the U.S. Department of Transportation (DOT).
The Federal Highway Administration (FHWA) is a part of the U.S. Department of Transportation and is headquartered in Washington, D.C., with field offices across the United States. is a major agency of the U.S. Department of Transportation (DOT). Provide leadership and technology for the delivery of long life pavements that meet our customers needs and are safe, cost effective, and can be effectively maintained. Federal Highway Administration's (FHWA) R&T Web site portal, which provides access to or information about the Agency’s R&T program, projects, partnerships, publications, and results.
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