Validation of a Performance-Based Mix Design Method for Porous Friction Courses (2021) / Chapter Skim
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15 C H A P T E R 4 Results and Analysis This chapter includes results of the implementation effort in which the research team worked with GDOT, SCDOT and ALDOT in three construction projects. Raw materials were sampled for mix design verification, and samples of plant-produced mixtures were taken from each project for testing in the NCAT laboratory.
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16 Table 4-1. Test Results of LMLC and PMLC Specimens for Georgia Project.
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17 The LMLC specimens met all the proposed requirements, as shown in Table 4-3. The PMLC specimens barely failed the minimum air void threshold, but all of the other parameters met the proposed criteria.
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18 ALDOT Project The ALDOT PFC resurfacing project is on I-65 from MP 359 through MP 366 in Limestone County, Alabama. The existing PFC surface of the pavement section was placed in 2016, but it raveled out within two years.
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19 Table 4-7. Mix Design Properties for the 2016 and 2019 Paving Operations.
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20 Table 4-8. Test Results of LMLC Specimens for Alabama Project.
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21 Table 4-9. Evaluation Results for the Four Potential Options to Reduce Cantabro Loss.
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22 Table 4-11. Design and Plant Mix Gradations for the Alabama Project.
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