Otta Seal Construction for Asphalt Pavement Resurfacing

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2018-07-11
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Zhang, Yang
Ceylan, Halil
Kim, Sunghwan
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Nahvi, Ali
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Ceylan, Halil
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Civil, Construction and Environmental EngineeringInstitute for TransportationInstitute for Transportation
Abstract

Otta seal resurfacing methods have been widely demonstrated for unpaved roads and road rehabilitation in a few states in the U.S. as well as in Scandinavia and Africa. Application of Otta seal over a deteriorated hot mix asphalt (HMA) surface has been considered as the feasible concept that has not been applied for real construction. In this study, a double-layer Otta seal construction over HMA surface was monitored. The applied materials for the construction were introduced. The following performance of the constructed Otta seal layers was evaluated by measuring the international roughness index (IRI) and dust. The road IRI did not significantly change, and the dustometer test results indicated satisfied dust control on Otta seal layer. The findings from this study provide guidance on designing and implementing Otta seal on asphalt concrete pavement as a resurfacing overlay.

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This is a manuscript of a proceeding published as Gushgari, Sharif Y., Yang Zhang, Ali Nahvi, Halil Ceylan, and Sunghwan Kim. "Otta Seal Construction for Asphalt Pavement Resurfacing." In International Conference on Transportation and Development (2018): 177. doi:10.1061/9780784481554.018 . Posted with permission.

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Mon Jan 01 00:00:00 UTC 2018