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Evaluation of Anionic Polyacrylamide as an Erosion Control Measure Using Intermediate-Scale Experimental Procedures
(2009-05-06)
The United States Environmental Protection Agency (EPA) has been working to establish stricter guidelines and limitations pertaining to stormwater and the various pollutants transported by runoff. This transport is primarily ...
Recalibration of the Asphalt Layer Coefficient
(2009-07-21)
The Alabama Department of Transportation (ALDOT) currently uses the 1993 DARWin version of the 1986 American Association of State Highway and Transportation Officials (AASHTO) Guide for the Design of Pavement Structures ...
Comparative Load Rating Study Under LRFR and LFR Methodologies for Alabama Highway Bridges
(2009-05-21)
Currently, the Alabama Department of Transportation (ALDOT) uses the load
factor rating (LFR) methodology of the American Association of State Highway and
Transportation Officials (AASHTO) Manual for Condition Evaluation ...
Static Load Testing of a Damaged, Continuous Prestressed Concrete Bridge
(2009-02-23)
Shortly after the completion of interstate highway I-565 in Huntsville, Alabama, cracks were discovered in the continuous end of many of the prestressed concrete bulb-tee girders. Alabama Department of Transportation ...
Field-Based Strain Thresholds for Flexible Perpetual Pavement Design
(2009-02-23)
In the recent years, there has been a push towards designing roadways which will sustain 50 years of trafficking without having any structural fatigue damage. These --Y´perpetual pavements¡ are designed using mechanisti ...
Evaluating Spinner-Disc Technology for the Distribution of Poultry Litter
(2009-02-23)
Technological advancements, such as variable-rate technology (VRT), in agricultural application equipment have led to the belief that application accuracy of crop inputs have improved. However, minimal research has been ...
Hydraulic Management of SDI Wastewater Dispersal in an Alabama Black Belt Soil
(2009-12-11)
Approximately 52% of the 14000 km2 Alabama Black Belt region is unsuitable for conventional onsite wastewater treatment systems because of low hydraulic permeability, high water table, or other restrictive soil properties. ...
Runoff Generation in Pastures of the Appalachian Plateau Region of North Alabama
(2009-05-04)
A detailed hillslope-scale hydrologic study was conducted in a pasture at the Sand Mountain region of north Alabama, USA. A 0.12 ha hillslope was intensively instrumented using 31 distributed surface and subsurface runoff ...
An Ecologically-Sustainable Surface Water Withdrawal Framework For Cropland Irrigation-A case study in Alabama
(2009-04-22)
Agricultural production in the State of Alabama, USA, mostly depends on natural rainfall. Because of this and also because of low and uncertain precipitation levels during growing seasons, agricultural production in Alabama ...
Near-Surface Mounted, Fiber-Reinforced Polymer Strips for Negative-Moment Strengthening of Concrete Bridges—Design Methodology
(2009-05-12)
A bridge near Letohatchee, Alabama, was found to be deficient for certain types of truck loadings. Fiber-reinforced polymer (FRP) strips were selected to use in the strengthening scheme. Various models and code recommendations ...