Browsing OU - Oklahoma Transportation Resources / Oklahoma Transportation Library by Author "Sawyer, Steven"

Now showing items 1-6 of 6

    • Establishment of underdrain maintenance procedures (FHWA-OK-95-04) 

      Sawyer, Steven (1995-5)
      Project #2183 analyzed the condition of underdrains and developed a method of classifying, maintaining, and, when necessary, replacing underdrain outlets. The project encompassed every region of Oklahoma and many different ...

    • Establishment of underdrain maintenance procedures (FHWA-OK-95-04) 2183 

      Sawyer, Steven (1995-5)
      Project #2183 analized the condition of underdrains and developed a method of classifying, maintaining, and, en necessary, replacing underdrain outlets. The project encompassed every region of Oklahoma and many different ...

    • Performance evaluation of asphalt pavement types E, F, and G Noble-Garfield counties (OK-97-03) 2270 

      Brewer, Wilson B. Jr.; Sawyer, Steven (1997-6)
      In 1991 the Oklahoma Department of Transportation (ODOT) initiated an experimental project investigating the performance of three asphalt mix designs; Types E, F, and G. Type Eis a relatively fine aggregate mix with lOOo/o ...

    • Strengthened earth wall (FHWA-OK-97-09) 2731 

      Evans, Gary; Cowen, Jeff; Hayes, Curtis J,; Sawyer, Steven (1997-11)
      The Oklahoma Department of Transportation (ODOT) recently completed a project that included a Strengthened Earth Wall. The Mechanically Stabilized Earth (MSE) wall was constructed by Muskogee Bridge Company as a part of ...

    • Thin asphalt overlays in Division VI (OK-96-11) 2285 

      Brewer, Wilson B. Jr.; Sawyer, Steven (1996-10)
      Field Division VI has typically applied "chip seals'' to distressed low traffic roadways. Chip seals, however, have little effect on problems such as cracking, corrugating, and rutting. One or more of these problems existed ...

    • Ultrapave - final report (OK-97-10) 2293 

      Brewer, Wilson B. Jr.; Sawyer, Steven; Hayes, Curtis J. (1997-11)
      Premature rutting is a common problem with asphalt concrete pavements, particularly when they are subjected to frequent heavy-axle loading. Producers of asphalt modifiers claim that polymers reduce rutting and other ...