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Showing 33201 - 33220 of 36747 results
  • Comparison of sampling and test methods for determining asphalt content and moisture correction in asphalt concrete mixtures
    Comparison of sampling and test methods for determining asphalt content and moisture correction in asphalt concrete mixtures.
    Silbernagel, Ivan P. ;
    Sullivan, Jack
    1985-03-01 | PDF
    The purpose of this report is to identify the difference, if any, in AASHTO and OSHD test procedures and results. This report addresses the effect of the size of samples taken in the field and evaluates the methods of determining the moisture content of asphalt concrete mixtures in the determination of asphalt content and gradation.
  • A pavement management research program for Oregon highways interim report
    A pavement management research program for Oregon highways : interim report.
    George, Anthony J. ;
    Brock, Leon G.
    1985-03-01 | PDF
    This is the first in a series of reports documenting progress on a statewide pavement management research project. The overall project is conducting research into pavement life cycles of different rehabilitation treatment; the cost-effectiveness of each treatment; and, the use of deflection, percent cracks, percent patches, and rut depth in a state ...
  • Latex modified fibrous concrete SundialSandy River Section interim report
    Latex modified fibrous concrete Sundial-Sandy River Section : interim report.
    Quinn, William J. ;
    Brock, Leon G.
    1985-03-01 | PDF
    In November 1980, a contractor requested permission to use a 1.5 inch thick Latex Modified Fibrous Concrete (LMFC) overlay in lieu of a 2.5 inch low slump concrete (Iowa System) or a 2.5 inch unreinforced latex modified concrete. The overlays were to be on four bridge decks within the Sundail-Sandy River Section. The Latex Modified Fibrous Concrete ...
  • Latex modified fibrous concrete experimental feature final report
    Latex modified fibrous concrete : experimental feature : final report.
    Quinn, William J. ;
    Brock, Leon G.
    1985-03-01 | PDF
    In November 1980, a contractor requested permission to use a 1.5 inch thick Latex Modified Fibrous Concrete (LMFC) overlay in lieu of a 2.5 inch low slump concrete (Iowa System) or a 2.5 inch unreinforced latex modified concrete. The overlays were to be on four bridge decks within the Sundail-Sandy River Section.The Latex Modified Fibrous Concrete ...
  • Information systems in ADOT an analysis of intrafunction flow decision support needs existing systems utility and user attitudes Final report volume 2 manual for evalution of needs and attidues of EDP users
    Information systems in ADOT : an analysis of intra-function flow, decision support needs, existing systems utility and user attitudes. Final report, volume 2 : manual for evalution of needs and attidues of EDP users
    Moor, William C. ;
    Bailey, James E.
    1985-03-01 | PDF
    A report is offered on a study of the information activities within the Right-of-Way section of ADOT. The objectives of the study were to adapt and apply techniques to measure user-perceived needs, satisfaction and utility of services provided Right-of-Way by the Information Systems Group (ISG). A background of the four tested techniques is given a ...
  • Research Notes Stress Absorbing Membrane Innerlayer Adopted As Permitted Alternative for Oregon Overlays
    Research Notes: Stress Absorbing Membrane Innerlayer Adopted As “Permitted Alternative” for Oregon Overlays
    Oregon State Highway Division. Research Section
    1985-03-01 | PDF
    The performance of the stress absorbing membrane innerlayer was evaluated between 1977 and 1982. Benkelman Beam deflections were measured, cores taken at selected crack locations to determine their origin, and visual inspections wre made to check for rutting, raveling, and cracking. The evaluation noted the start of transverse cracking two years af ...
  • Effects of calcium magnesium acetate a road deicer on the lentic environment in interior Alaska interim report
    Effects of calcium magnesium acetate, a road deicer, on the lentic environment in interior Alaska, interim report
    Rea, C.L. ;
    LaPerriere, J.D.
    1985-03-01 | PDF
    The application of chloride deicing salts to roadways has increased dramatically in recent years due to public demand for safer winter driving conditions. Unfortunately, these salts create adverse effects such as corrosion of vehicles and bridge structures. More recently, adverse environmental effects have been attributed to road salt applications. ...
  • Information systems in ADOT an analysis of intrafunction flow decision support needs existing systems utility and user attitudes Final report volume 3 appendices
    Information systems in ADOT : an analysis of intra-function flow, decision support needs, existing systems utility and user attitudes. Final report, volume 3 : appendices
    Moor, William C. ;
    Bailey, James E.
    1985-03-01 | PDF
    A report is offered on a study of the information activities within the Right-of-Way section of ADOT. The objectives of the study were to adapt and apply techniques to measure user-perceived needs, satisfaction and utility of services provided Right-of-Way by the Information Systems Group (ISG). A background of the four tested techniques is given a ...
  • Information systems in ADOT an analysis of intrafunction flow decision support needs existing systems utility and user attitudes Final report volume 1
    Information systems in ADOT : an analysis of intra-function flow, decision support needs, existing systems utility and user attitudes. Final report, volume 1
    Moor, William C. ;
    Bailey, James E.
    1985-03-01 | PDF
    A report is offered on a study of the information activities within the Right-of-Way section of ADOT. The objectives of the study were to adapt and apply techniques to measure user-perceived needs, satisfaction and utility of services provided Right-of-Way by the Information Systems Group (ISG). A background of the four tested techniques is given a ...
  • USSR Report Transportation
    USSR Report: Transportation
    United States. Foreign Broadcast Information Service  ...
    1985-02-27 | PDF
    JPRS publications contain information primarily from foreign newspapers, periodicals and books, but also from news agency transmissions and broadcasts. Materials from foreign-language sources are translated; those from English-language sources are transcribed or reprinted, with the original phrasing and other characteristics retained.This serial re ...
  • USSR Report Transportation
    USSR Report: Transportation
    United States. Foreign Broadcast Information Service  ...
    1985-02-12 | PDF
    JPRS publications contain information primarily from foreign newspapers, periodicals and books, but also from news agency transmissions and broadcasts. Materials from foreign-language sources are translated; those from English-language sources are transcribed or reprinted, with the original phrasing and other characteristics retained.This serial re ...
  • Protective coatings on concrete surfaces Madden Macryseal experimental feature final report
    Protective coatings on concrete surfaces : Madden Macryseal : experimental feature : final report.
    Hardy, Thomas A. ;
    Brock, Leon G.
    1985-02-01 | PDF
    The intrusion of salt-laden moisture into concrete bridge members has caused considerable damage to bridges along the Oregon coast. The increasing chloride ion content of the concrete fosters a galvanic corrosion cell. This results in the rapid corrosion of the reinforcing steel and the spalling of the concrete. To prevent the intrusion of chloride ...
  • Use of Existing Highway RightofWay for High Speed Rail Transportation
    Use of Existing Highway Right-of-Way for High Speed Rail Transportation
    Peterson, Richard L. ;
    Petersen, Harry C.
    1985-02-01 | PDF
    This study investigates the feasibility of using Interstate freeway rights-of-way for High-Speed Rail (HRS) passenger service in the State of Texas. The Texas Triangle project is a proposed HSR system connecting the urbanized areas of San Antonio, Fort Worth/Dallas and Houston; a total distance of some 750 miles. The primary data bases used in the ...
  • Physiological responses to unvarying steady and 221 shifts Miami International Flight Service Station
    Physiological responses to unvarying (steady) and 2-2-1 shifts : Miami International Flight Service Station.
    Melton, C.E.
    1985-02-01 | PDF
    Two types of shift rotation in the same air traffic facility were investigated in order to determine the relative advantages and disadvantages of nonrotating shift work (steady shift) and rotating shift work. The rotating shift work chosen for comparison was a 2-2-1 pattern often preferred by air traffic controllers, and which consists of a schedul ...
  • Research Notes Verglimit A Research Project to Provide Safer Winter Roads Remains Experimental
    Research Notes: Verglimit – A Research Project to Provide Safer Winter Roads Remains Experimental
    Oregon State Highway Division. Research Section
    1985-02-01 | PDF
    Verglimit is the name for a multi-component anti-icing flake which is added to an asphalt concrete wearing surface. As tires travel over the road, a chemical is released continuously and retards the formation of ice and snow on the road's surface. Verglimit, which is produced in Germany, has been primarily used in Europe with very favorable reports ...
  • Analysis of impediments to spawning migrations of anadromous fishes in Virginia rivers final report
    Analysis of impediments to spawning migrations of anadromous fishes in Virginia rivers : final report.
    Mudre, John M ;
    Ney, John J
    1985-01-01 | PDF
    The historic and present ranges of anadromous alosids and striped bass were determined for three of Virginia's rivers. American shad, blueback herring, and alewives migrated to at least Remington (river mile 188) on the Rappahannock River. They ascended the entire length of the York River, reaching at least Milford on the Mattaponi and the entire l ...
  • Research Notes Landslide Repaired With Geogrid
    Research Notes: Landslide Repaired With Geogrid
    Oregon State Highway Division. Research Section
    1985-01-01 | PDF
    The geogrid wall appears to have stabilized the site. The sod placed behind the geogrid improved the appearance of the wall as well as retained the fines in the backfill. It is recommended, however, that provisions be made on future projects for watering the sod until it is well established, particularly if there is an absence of ground water or if ...
  • Child safety seat and safety belt use among urban travelers results of the 1984 survey
    Child safety seat and safety belt use among urban travelers : results of the 1984 survey.
    Stoke, Charles B
    1985-01-01 | PDF
    During nine days in June 1983 and nine in June 1984, four major metropolitan areas of Virginia were surveyed to determine whether safety restraints were being used by urban travelers. Observers stationed at selected signalized intersections displayed to stopped motorists a clipboard bearing the question, Are you wearing seat belts? The observers th ...
  • Assessment of elementary school safety restraint programs
    Assessment of elementary school safety restraint programs
    Cushman, William D.
    1985-01-01 | PDF
    No Description
  • Commonwealth of Virginia motor carrier safety law compilation
    Commonwealth of Virginia motor carrier safety law compilation.
    Caudell, Alan K ;
    Gold, Elizabeth R
    1985-01-01 | PDF
    The Purpose of this report is to comply with the requirements of the Motor Carrier Safety Act of 1984 and its attendant guidelines.
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