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Ultrapave - final report (OK-97-10) 2293
(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 ...
Bridge steel coatings tolerant of minimal surface preparation (FHWA-OK-96-08)
(1996-11)
In 1993 and 1994, the Occupational Safety and Health Administration (OSHA) and the Environmental Protection Agency (EPA) initiated regulations that radically altered practices in the paint industry. Many of these measures ...
Field performance evaluation of NOVOPHALT modified asphalt concrete
(1993-6)
In 1992, a research project was set up to evaluate the field performance of Novophalt Modified Asphalt Cement (NMAC). The IM-35-3(223)130 project area (I-35 between Northeast 23rd and 63rd, in Oklahoma City) made up the ...
Breaking and seating - final report
(1995-10)
A preliminary investigation of lJS 169 in Nowata county was completed in June 1988. The 9.9 km (6.2 mi) section of two-lane roadway is located 8.0 km (5.0 mi) north of the city of Nowata. The majority of the 4.5 m ( 15.0 ...
Roadside vegetation management final report for the period July 1986 to June 1991 (FHWA-OK-91-10) 2147
(1991-12)
The information contained within this report addresses: (1) Research -- involving the use of herbicides and plant growth regulators for roadside vegetation management; (2) Maintenance -- implementing research results into ...
Components of variability in bituminous concrete pavement construction Volume II - Field and laboratory evaluation (FHWA-OK-92-07) 2179
(1992-6)
The objectives of phase-II of the project were: 1) to detennine the components of the total variability in the measured quality attributes of acceptable bituminous concrete pavement construction in Oklahoma, 2) to assess ...
Freeze-thaw durability of concrete made with marginal aggregate (FHWA-OK-91-04) 2137
(1991-6)
Much of the crushed limestone aggregate produced in the Oklahoma region is susceptible to freeze-thaw action and can result in popouts and D-cracking in concrete. Four series of tests involving over 120 batches of concrete ...
Evaluation of bonded overlay and dowel bar retrofit on I-40 construction report (FHWA-OK-99-__) 2404
(1999-5)
The Oklahoma Department of Transportation (OOOT) has completed a rehabilitation project on a 1,000 foot-long section of existing jointed PCC pavement. ThC section is located in the westbound traffic lanes of 1-40, in ...
Resilient modulus of select aggregate bases and their correlations with other engineering properties (FHWA-OK-93-06) 2189
(1993-9)
Six most commonly encountered aggregate materials which are used ´ subbaseslbales in Oklahoma are se1ected and tested under dynamic loading by using AASHTO designation T292‡91 I. A ‡ vibratory compaction method was ...
Strengthened earth wall (FHWA-OK-97-09) 2731
(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 ...