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The use of micro-surfacing for pavement preservation : interim report, first year, May 2004.

File Language:
English


Details

  • Creators:
    Marquis, Brian
  • Corporate Creators:
    Maine. Dept. of Transportation. Transportation Research Division
  • Subject/TRT Terms:
  • Publication/ Report Number:
    42769
  • Resource Type:
    Tech Report
  • Geographical Coverage:
    Maine
  • Corporate Publisher:
    Maine. Dept. of Transportation
  • Abstract:
    The Maine Department of Transportation (MDOT) is responsible for maintaining approximately 14,000 ; kilometers of public highways. Maintenance of these highways consists of rehabilitation or reconstruction ; when the road has deteriorated to an unacceptable level. With economic fluctuations and ever increasing ; traffic levels, this policy does not effectively address the needs of the highway system when maintenance ; is necessary and creates a backlog of deficient highways. ; To reduce this trend, many states have adopted the policy of Pavement Preservation. This policy consists ; of applying preventative maintenance to the roadway before it has deteriorated to an undesirable level, ; maintaining the structural integrity and extending the service life of the pavement. Length of time ; between costly rehabilitation is increased, reducing the cost of maintaining the highway system. Several ; states have reported that they were able to improve the overall condition of their highway system after ; trying this approach and that every dollar spent using preventative maintenance could save up to six ; dollars in future spending. ; Maine has two types of roads: “A” roads, which are built to state standards and “B” roads, which are not. ; Pavement Preventive Maintenance (PPM) can be used effectively on “A” roads to extend service life. ; Examples of PPM treatments include Crack Sealing, Hot Maintenance Mulch, Thin Overlays, and Micro-Surfacing. Crack Sealing prevents water and debris from entering cracks in the pavement by sealing them ; with a rubberized material. Hot Maintenance Mulch is a hot mix asphalt pavement with little or no ; crushed aggregate and is typically used on “B” roads. Thin Overlays are dense - open graded Superpave ; mixes, with or without recycled asphalt pavement incorporated into the mix, that are typically used on ; “A” roads. Micro-Surfacing is a thin overlay of a mixture of polymer-modified asphalt emulsion, mineral ; aggregate, mineral filler, and water. ; This report will examine the application of Micro-Surfacing to extend the service life of two projects in ; Aroostook County.
  • Format:
    PDF
  • Download URL:
    https://rosap.ntl.bts.gov/view/dot/28458/dot_28458_DS1.pdf
  • File Type:
    Filetype[PDF - 1.10 MB]
  • Collection(s):
    US Transportation Collection
  • Main Document Checksum:
    urn:sha256:09b3cd791bbc1322928d7af692a2b2db8ec090aa62b8b66d2ff227e26130f5c2
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File Language:
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