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Now showing items 11-20 of 72
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 ...
3D LASER IMAGING FOR ODOT INTERSTATE NETWORK AT TRUE 1-MM RESOLUTION
(2014-12)
With the development of 3D laser imaging technology, the latest iteration of PaveVision3D Ultra can obtain true 1mm resolution 3D data at full-lane coverage in all three directions at highway speed up to 60MPH. This project ...
Development of alternative high friction surfaces for Oklahoma / Michael Heitzman, Michael Vrtis.
(Oklahoma City, OK : Oklahoma Department of Transportation, 2016., 2015-12)
Research work described in this report was undertaken to improve understanding of desiccation cracking and shallow slope failures in clayey slopes subjected to seasonal variations in weather. Research involved field and ...
Oklahoma Public and Tribal Transportation Infrastructure Employee Occupational Safety and Health Training and Evaluation – Phase 1 (FHWA-OK-16-09 2300(16-03))
(2016-10)
The objective of this project was to reduce the number and severity of incidents to Oklahoma’s public and tribal sector workforce that has responsibilities for working on the road while gaining a better understanding of ...
RECOMMENDED FATIGUE TEST FOR OKLAHOMA DEPARTMENT OF TRANSPORTATION (FHWA-OK-16-05 2243)
(2017-10)
The primary objective of this study was to evaluate different fatigue test methods and to recommend the most suitable one to Oklahoma Department of Transportation (ODOT). In order to achieve this objective, six commonly ...
UNDERSTANDING A + B BIDDING PATTERNS AND POLICY IMPLICATIONS FOR ODOT PROJECT LETTINGS
(2014-10)
A key challenge for Departments of Transportation around the country is to keep the cost of construction low while ensuring that projects will be completed in a timely manner. Those goals can often be conflicting. The ...
Creep Compliance and Percent Recovery of Oklahoma Certified Binders Using the Multiple Stress Creep Recovery (MSCR) Method
(Oklahoma City, OK : Oklahoma Department of Transportation, 2015., 2015-04)
A laboratory study was conducted to develop guidelines for the Multiple Stress Creep Recovery (MSCR) test method for local conditions prevailing in Oklahoma. The study consisted of commonly used binders in Oklahoma, namely ...
The Study of Vehicle Classification Equipment with Solutions to Improve Accuracy in Oklahoma
(Oklahoma City, OK : Oklahoma Department of Transportation, 2014., 2014-12)
The accuracy of vehicle counting and classification data is vital for appropriate future highway and road design, including determining pavement characteristics, eliminating traffic jams, and improving safety. Organizations ...
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 ...
VALIDATION AND REFINEMENT OF CHEMICAL STABILIZATION PROCEDURES FOR PAVEMENT SUBGRADE SOILS IN OKLAHOMA – VOLUME I FINAL REPORT (FHWA-OK-11-02 2207)
(2011-7)
Additions of byproduct chemicals, such as fly ash or cement kiln dust, have been shown to increase the unconfined compression strength (UCS) of soils. To be considered effective, the soil must exhibit a strength increase ...