The Superpave Mix Design System: Anatomy of a Research Program (2012) / Chapter Skim
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7 Lester P
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8 3.2 SHRP'S COLORFUL PRECURSORS – THE "BLUE" AND "BROWN" BOOKS The Strategic Highway Research Program was originally proposed in TRB Special Report 202, America's Highways: Accelerating the Search for Innovation (2)
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9 had a system crucial to the nation's economy and everyday life not been supported by largescale, long-term research? " The answer to that question was found in the characteristics of the highway industry, its traditional approach to research, and gaps in technology, specifically asphalt technology.
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10 Would the research yield big payoffs?
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11 Select analytical methods for characterizing asphalt cement Select representative asphalt cements Select lab tests of pavement performance Select aggregates for test pavements Identify required full-scale field test pavement sections Conduct analysis of asphalt cements Study methods to control and improve asphalt cement characteristics Develop tests and specs for better asphalt cements Conduct lab tests of pavement performance Monitor and evaluate performance on test sections Design and build test sections Elements and relationships of design for asphalt cement experiments Would the research accommodate changes in national policy?
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12 Projected funding for this five-year, ambitious asphalt research program was estimated at $10 million per year and was allocated as shown in Figure 4. 3.2.1.3 Institutional Arrangements The strategic plan presented in the Blue Book was more sharply focused than historical highway research efforts.
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13 advisory committee appointed by the Task Force was created to assist each contractor. The contractor for the Asphalt area was Fred Finn of Austin Research Engineers.
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14 Data Management Staff This staff would be responsible for management of all technical data collected within the program. Furthermore, this staff would ensure that the system developed would provide for a permanent data bank for all highway researchers upon the conclusion of SHRP.
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15 Innovation: Several approaches to increase innovation were considered: allocating funds for unsolicited proposals; contracts with incentives; and private industry participation, particularly where new instrumentation, equipment and materials were anticipated. Data management: A data management system was considered critical to the application and use of the knowledge and information developed in SHRP.
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16 Asphalt, and 9-6(1) , Asphalt-Aggregate Mixture Analysis System (AAMAS)
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17 Table 1 Proposed Asphalt Projects, Tasks and Budgets (after SHRP Research Plans (1)
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18 $22.0 $15.0 $4.5 $5.0 $3.5 Asphalt Program Budget Estimate ($ Millions) Asphalt Properties Performance-Based Testing and Measuring Systems Pavement Performance Studies Performance Based Specs for Asphalt and Asphalt-Aggregate Systems Coordination Figure 5 Asphalt Program Budget Estimate (data from SHRP Research Plans (1)
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19 The schedule proposed to accomplish the asphalt program research is shown in Figure 6. YEAR 1 2 3 4 5 1.1 Asphalt Chemical Composition 1.2 Physical Properties of Asphalt 1.3 Relationships between Asphalt Chemical and Physical Properties 1.4 Relationships of Asphalt Chemical and Physical Properties to Pavement Performance 1.5 Fundamental Properties of Asphalt-Aggregate Interaction (Adhesion and Absorption)
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