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Research Center Reports 2Date : 01/30/2008 High Tensile Electric Fence Phase II - Liability Issues, Maintenance Costs and Containment of Bison: FHWA-WY-05/01FFences are typically built to restrict the movement of livestock and consequently become barriers to wildlife. Research done by Karhu and Anderson (2003) has shown that High Tensile Electric Fence (HTEF) can contain livestock while allowing wildlife to freely move across the fence. Before widespread implementation of HTEF can occur, issues involvin... Date : 01/30/2008 Infrasonic Monitoring of Avalanche Activity on Teton Pass: FHWA-WY-05/08FInfrasonic Monitoring of Avalanche Activity on Teton Pass Date : 01/30/2008 Feasibility of a Next Generation Intermodal Rail-Truck Transport System for Western I-80 Corridor: FHWA-WY-06/05FInterstate 80 is one of the heaviest traveled east-west freight corridors in the nation. Each day approximately 5,000 to 7,000 trucks travel I-80 across Wyoming and Nebraska. Ninety-five percent of these trucks have neither an origin nor a destination in Wyoming. Within 15 years the number of trucks on Interstate 80 is projected to double. Given th... Date : 01/30/2008 Three-Dimensional Roughness Elements for Snow Retention: FHWA-WY-06/04FThe objective of this study was to develop a practical and economical method of retaining snow along roadsides in order to reduce icing caused by blowing snow. Although multiple rows of conventional 4-foot snow fence could serve this purpose, it was hypothesized that a three-dimensional array of elements might be more effective and aesthetic, and m... Date : 01/30/2008 Time Domain Reflectometry for Monitoring Highway Slope Movements: FHWA-WY-06/03FA study of time domain reflectometry was conducted for application to monitoring of highway slopes. Laboratory shear tests were carried out in an attempt to develop a correlation between shear displacement and TDR signals from grouted cables in sand deposits. Laboratory tests were also conducted to evaluate the potential use of air-dielectric, or h... Date : 01/30/2008 Evaluation of Tire Chips for Highway Drainage Applications: FHWA-WY-03/02FA study was conducted to evaluate the feasibility of using tire chips as a drainage material in roadway construction. Laboratory tests were performed to determine tire chip properties including particle size distribution, compressibility, compacted density, permeability, and the potential effects of tire chips on water quality. A field project was ... Date : 01/30/2008 Traffic Signal Pole Research: FHWA-WY-04/03FRecent traffic signal pole failures have been a catalyst for various research projects in the United States. The two failures that occurred in Wyoming were due to fatigue cracks in the pole that initiated at the toe of the fillet weld between the box connection and the pole (Figure 1). The fillet weld in question connects the box plate to the verti... Date : 01/30/2008 Analysis of Anchor Load Tests for Stabilization of the Flying V Landslide: FHWA-WY-05/03FPre-design field load tests on ground anchors installed at an active landslide site are analyzed to provide information on anchor behavior. A total of six load tests were conducted with bond zones in three different geomaterials. Test results are analyzed to determine bond capacity, load-deformation response, and constructability. These parameters ... Date : 01/04/2008 Bridge Contraction and Lateral Spillslope Scour: FHWA-WY-06/06FBridge Contraction and Lateral Spillslope Scour Murphy Creek Flood and Scour Study Date : 01/03/2008 Avalanche Hazard Reduction Using the Doppelmayr Avalanche Guard Cache and Mortar Technology: FHWA-WY-05/02FIncreased travel demand on the winter/alpine roads of the Western USA has resulted in a dramatic increase in the hazard from snow avalanches to motorists and maintenance personnel. These encounters are often disastrous. Presently, the state of practice for managing avalanche hazards on the winter and alpine roads of the western United States is ava... |
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