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Is ultra-thin whitetopping (UTW) a new technology?

April 26, 2017Technology ultra-thin utw whitetopping

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Is ultra-thin whitetopping (UTW) a new technology?

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Ultra-thin whitetopping is a relatively new design that emerged in the 1990s. This class of whitetopping is designed to bond to the existing HMA pavement, so that the two layers act as a composite section instead of as two independent layers. This allows the concrete overlay thickness to be decreased, while still allowing the accommodating level of traffic loading.