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NEXT GENERATION SMART BARREL SYSTEM FOR WORKZONE SAFETY ENHANCEMENT (FHWA-OK-12-02 2232)
(2012-1)
The Radar Innovations Lab in the University of Oklahoma collaborated with the P&R Division of OK-DOT on an innovative technology for traffic speed monitoring and control in high-way workzones, called Smart Barrel Systems. ...
Energy dissipation in eighteen-foot broken-back culverts using laboratory models (FHWA-OK-12-05)
(2012-9)
This report represents Phase III of broken-back culverts with a drop of 18 feet. The first phase of this research was performed for a drop of 24 feet and the second phase of this research was carried out for a drop of 6 ...
Expected life of Silane water repellant treatments on bridge decks (FHWA-OK-12-08)
(2012-12)
This report covers techniques used to evaluate the presence of silane coatings on bridge decks in the lab and in the field. After these techniques are established they are then used to determine the effective service life ...
DEVELOPMENT AND IMPLEMENTATION OF A MECHANISTIC AND EMPIRICAL PAVEMENT DESIGN GUIDE (MEPDG) FOR RIGID PAVEMENTS-PHASE I (FHWA-OK-12-06 2208)
(2012-11)
This reports completes a sensitivity analysis of the MEPDG based on Oklahoma pavements, provides a literature review of base material best practices, increases the Oklahoma weather data available for the MEPDG, investigates ...
EFFECT OF Y-CRACKING ON CRCP PERFORMANCE (FHWA-OK-12-07 2230)
(2012-10)
This report covers the investigation of the impact of Y-cracking on concrete pavements in Oklahoma. This study used field and analytical investigations to determine the impact of Ycracking on the long term performance of ...
DEVELOPMENT OF BEST PRACTICES PROGRAM FOR A COLLABORATION OF MINORITY TRUCKERS (FHWA-OK-12-03 2217)
(2012-4)
The Oklahoma Minority Trucking Cooperative Inc. (OMTC) is the first service cooperative in the state of Oklahoma. As a result of this collaborative effort between the Oklahoma Department of Transportation (ODOT) and Langston ...
DEVELOPMENT OF ODOT GUIDELINES FOR THE USE OF GEOGRIDS IN AGGREGATE BASES (FHWA-OK-12-04 2220)
(2012-3)
A primary objective of the current study was to help ODOT expand its selection of approved geogrid products for base reinforcement applications by producing measured ata on selected geogrids and a dense-graded base aggregate ...
TEST METHODS FOR USE OF RECYCLED ASPHALT PAVEMENT IN ASPHALT MIXES (FHWA-OK-12-01 2223)
(2012-2)
Usage of recycled asphalt pavement (RAP) in the construction of new pavements has increased in recent years due to the movement to conserve energy and raw materials, and reuse waste materials. To assess the effectiveness ...