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Now showing items 1-10 of 11
CREATION OF AN ODOT SPECIFICATION FOR PATCHING OR OVERLAY OF BRIDGE DECKS (FHWA-OK-08-09 2184)
(2009-9)
Bridge deck cracking is a huge problem in the United States, and various agencies have sponsored research endeavoring to determine the underlying problems. A number of causes have been identified, including thermal movement, ...
DEVELOPMENT OF LIQUIDAT ED DAMAGES FOR TH E OKL AHOMA DEPARTMENT OF TRANSPORTATION (FHWA-OK-08-12 2120)
(2009-8)
Federal regulations require that DOTs must establish liquidated damages (LD) for construction projects and update when necessary and submit them to FHWA every two years for approval. According to FHWA, the method used to ...
Collision Avoidance System at Intersections (FHWA-OK-09-06 2216)
(2009-12)
The number of collisions at urban and rural intersections has been on the rise in spite of technological innovations and advancements for vehicle safety. It has been reported that nearly a third of all reported crashes ...
2007 – 2009 Evaluations of New Broadleaf Weed Control Herbicide Formulations for ODOT Roadside Vegetation Management Programs (FHWA-OK-09-07 2157)
(2009-12)
A three year research project was conducted between the Oklahoma Department of Transportation (ODOT) and the Oklahoma State University to investigate herbicides and herbicide tank mixes that could supplement existing ODOT ...
Engineering Properties of Stabilized Subgrade Soils for Implementation of the AASHTO 2002 Pavement Design Guide (FHWA-OK-08-10 2185)
(2009-6)
A comprehensive laboratory study was undertaken to determine engineering properties of cementitiously stabilized common subgrade soils in Oklahoma for the design of roadway pavements in accordance with the AASHTO 2002 ...
I-35 PAVEMENT INSTRUMENTATION PHASE II FINAL REPORT (FHWA-OK-09-04)
(2009-12)
This report documents work conducted by the National Center of Asphalt Technology (NCAT) in support of the University of Oklahoma’s (OU) research efforts on a live pavement test site in Purcell, Oklahoma. Technical ...
Optimizing Concrete Mix Designs to Produce Cost Effective Paving Mixes (FHWA-OK-08-11 2199)
(2009-9)
This research is designed to determine the effect of the mechanically activated fly ash on fresh concrete properties and the ultimate strength of the hardened concrete. Six types of fly ash that are locally available in ...
Oklahoma Department of Transportation sprayer equipment assessment & calibration workshops (FHWA-OK-09-08)
(2009-12)
Oklahoma State University (OSU) Roadside Vegetation Management (RVM) Program personnel assessed and inventoried 82 ODOT herbicide spray units. At these workshops, 259 ODOT herbicide applicators were trained in sprayer ...
Measuring Air Void Characteristics of Oklahoma Air- Entrained Concrete using the Air Void Analyzer (AVA) / Analyzing AVA Sources of Error (FHWA-OK-08-03 2128)
(2009-1)
The conventional method for measuring the size distribution of air voids in concrete (ASTM C457) requires a technician with highly-specialized training and can only be performed on hardened concrete. Waiting several days ...
Roadway Weather Information System and Automatic Vehicle Location (AVL) Coordination (FHWA-OK-09-03 2212)
(2009-9)
Roadway Weather Information System and Automatic Vehicle Location Coordination involves the development of an Inclement Weather Console that provides a new capability for the state of Oklahoma to monitor weather-related ...