ODOT research news : fall 2007.
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ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners. As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.
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ODOT research news : fall 2007.

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Details:

  • Alternative Title:
    Research newsletter fall 2007.
  • Corporate Creators:
    Oregon. Dept. of Transportation. Research Unit
  • Subject/TRT Terms:
  • Resource Type:
    Tech Report
  • Geographical Coverage:
    Oregon
  • Corporate Publisher:
    Oregon. Dept. of Transportation. Research Unit
  • Abstract:
    The newsletter includes:

    1) Several manufacturers have designed geosynthetic products to prevent or lessen reflective cracking. The materials are supposed to minimize tension transferred to the overlay from the existing pavement.

    2) Results of this survey were analyzed to assess similarities and differences among rural and urban respondents, as well as among current and former drivers. The results of this study reflect those found in previous research, but elaborate on the factors contributing to older Oregonians’ decisions to continue or to cease driving, the impacts of ceasing to drive, and the transportation needs of older Oregonians across geographic (e.g. urban versus rural) areas.

    3) Thin polymer overlays can prolong the life of bridge decks if the overlays maintain their integrity. Thin polymer overlays consist of a plastic resin applied to the deck surface with an aggregate covering. The resin helps hold the aggregate in place while also forming a seal on the deck surface. The aggregate provides skid resistance and acts as a wearing surface.

    4) The research is focused on identifying potential cause(s) of premature pavement failure. It is hoped that the research will lead to the development of methods for the identification of potential moisture related problems, and improved guidelines for initial pavement design, materials selection and better construction techniques; and

    5) The process of other research reports.

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