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ENERGY DISSIPATION IN TWELVE-FOOT BROKEN-BACK CULVERTS USING LABORATORY MODELS (FHWA-OK-13-07)
(2013-9)
This report represents Phase IV of broken-back culverts with a drop of 12 feet. The first phase of this research was performed with a drop of 24 feet, the second phase of this research was carried with for a drop of 6 feet, ...
APPLIED APPROACH SLAB SETTLEMENT RESEARCH, DESIGN/CONSTRUCTION (FHWA-OK-13-09 2227)
(2013-8)
Approach embankment settlement is a pervasive problem in Oklahoma and many other states. The bump and/or abrupt slope change poses a danger to traffic and can cause increased dynamic loads on the bridge. Frequent and costly ...
Investigation and Demonstration of Turbidity Reduction in Stormwater Runoff for Oklahoma Highway Construction Sites (FHWA-OK-13-13 2237)
(2013-12)
The Environmental protection Agency (USEPA) has issued new requirements on the construction industry to control the discharge of pollutants from the sites. The construction effluent guidelines or ELG’s require construction ...
Field performance monitoring and modeling of instrumented pavement on I-35 in McClain county - phase I
(2013-6)
Flexible pavements comprise about 93 percent of paved roads in the United States. Although flexible pavements are widely used for reasons such as cost, constructability and consistent performance, they are often subject ...
EFFICACY OF ROAD BOND AND CONDOR AS SOIL STABILIZERS (FHWA-OK-13-06 2242)
(2013-8)
The Oklahoma Department of Transportation (ODOT) uses lime-based stabilizers including quick lime, hydrated lime, Class C fly ash (CFA) and cement kiln dust (CKD) to increase bearing capacity of fine-grained subgrade soils ...
FIELD VERIFICATION OF GEOGRID PROPERTIES FOR BASE COURSE REINFORCEMENT APPLICATIONS (FHWA-OK-13-11 2244)
(2013-11)
The proposed field study is a continuation of a recently concluded, ODOT-funded project titled: Development of ODOT Guidelines for the Use of Geogrids in Aggregate Bases, which is aimed at addressing the need for improved ...
EVALUATION OF THE HAMBURG RUT TESTER AND MOISTURE INDUCED STRESS TESTER (MIST) FOR FIELD CONTROL OF HOT MIX ASPHALT (HMA) IN OKLAHOMA (FHWA-OK-13-01 2226)
(2013-3)
This report covers the evaluation of the Hamburg Loaded Wheel Rut Tester (OHD L-55) and the Moisture Induced Stress Tester (MIST) for field control of Oklahoma HMA mixtures. OHD L-55 was evaluated as a possible replacement ...
STAINLESS STEEL REINFORCEMENT AS A REPLACEMENT FOR EPOXY COATED STEEL IN BRIDGE DECKS (FHWA-OK-13-08 2231)
(2013-8)
The corrosion resistance of 2304 stainless steel reinforcement and stainless steel clad reinforcement was compared to conventional and epoxy-coated reinforcement (ECR). 2304 stainless steel was tested in both the as-received ...
NEW ASPHALT MIX DESIGN SYSTEM FOR OKLAHOMA DEPARTMENT OF TRANSPORTATION (FHWA-OK-13-03 2238)
(2013-3)
Oklahoma Department of Transportation (ODOT) has been using the Superpave mix design software for several years. The original Superpave mix design software was built around Fox Database and did not meet ODOT requirements. ...
DISTRESS MODELING FOR DARWIN-ME (FHWA-OK-13-10 2235)
(2013-12)
Distress prediction models, or transfer functions, are key components of the Pavement M-E Design and relevant analysis. The accuracy of such models depends on a successful process of calibration and subsequent validation ...