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During the laydown operations, thermal images were taken of the three mixtures (Figures 12 & 13). These images can be used to detect thermal segregation in the windrow or in the placed mat.
View larger version of Figure 12
Figure 12: Thermal images of mixes in the windrow.
View larger version of Figure 13
Figure 13: Thermal images of mixture immediately behind the paver.
From a review of these images, both of the warm mixes exhibited a more uniform temperature in the placed mat than the control hot mix. This is potentially an advantage of using these particular warm mix additives because they provided a more uniform product upon remixing and laydown.
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