973 Works

VeraFlo Negative Pressure Wound Therapy with Household Bleach for Refractory Driveline Infection in a Patient with Left Ventricular Assist Device

Amr Idris, Amanda Hart, Sarah Branam & Maya Guglin
Driveline infections and sepsis are amongst the most common causes of morbidity and mortality in a patient with a left ventricular assist device. In this case, we present a patient with a multi drug resistant pseudomonas aeruginosa driveline exit site infection. Initially, it was treated with dual antibiotics, followed by surgical debridement utilizing Dakin’s solution irrigation and standard negative pressure wound therapy. Wound healing was minimal determined by poor granulation appearance, unchanged size from surgical...

Contractor Performed Quality Control on KyTC Projects

Donn E. Hancher, Yuhong Wang & Kamyar C. Mahboub
This report addresses issues related to transferring the responsibility for quality control from the Kentucky Transportation Cabinet (KyTC) to construction contractors. Surveys of the KyTC, other state departments of transportation, and Kentucky highway contractors were done to identify the advantages, concerns, and modifications of the Contractor Performed Quality Control (CPQC) program. An advisory committee of experienced KyTC engineers, FHWA representatives, and contractor representatives met periodically to identify approaches for handling key issues of the program....

Experimental Coating on Interstate 264 in Jefferson County

Bobby W. Meade, Sidhir Palle & Theodore Hopwood
A waterborne acrylic coating was applied over a washed and tool cleaned zinc/vinyl system as a maintenance overcoat. The coating has several positive characteristics in that it is “user friendly”, substrate tolerant, develops good adhesion quickly, and is environmentally friendly. There were some issues concerning quality of work in surface preparation and application and in the fact that on two locations bubbles developed in the newly applied coating. The cause of the bubbling has not...

Improved Bridge Expansion Joints

Sudhir Palle, Theodore Hopwood & Bobby W. Meade
The Kentucky Transportation Cabinet (KYTC) has both open and closed bridge expansion joints and associated details that are problematic. Several state highway agencies (SHA) have joints that they believe are superior performers to other types and have prepared guidance documents for their use. A literature search indicated that several previous research studies, including national surveys, addressing SHA joint practices have been conducted over the past 10 years. For up-to-date information, a new set of surveys...

Examination of Concrete Cores from Lowe’s Store in Bowling Green

David L. Allen & L. John Fleckenstein
The Kentucky Transportation Center was requested by Mr. Tom Brock, Vice President of McWhorter and Company, Inc., to examine cores obtained from a PCC floor slab of a Lowe's store in Bowling Green, Kentucky. From a telephone conversation with Mr. Brock, is was our understanding that a large portion of the surface of the floor slab was scaling and becoming detached. This apparently involved approximately the top 118 inch of the slab. Nine cores were...

Allocation of Highway Costs and Revenues

John A. Deacon & Jerry G. Pigman
In recent years, costs of highway facilities have generally been considered to be the responsibility of highway users. Although the private sector has recently been called upon to assume more cost responsibility, highways are primarily financed from tax revenues and user tolls. A continuing task related to assessment of highway user fees is determination of the appropriate level of taxation for each class of highway user. Cost allocation in various forms has traditionally been a...

Follow-Up Inspection of Premature Cracking on the National Turnpike, Jefferson County

L. John Fleckenstein & David L. Allen
This report discusses the investigation of the premature cracking that has been occurring on the National Turnpike, Jefferson County since 1989. A report was issued in 1990, KTC-90-5. This report documents performance to date. A detailed distress survey was performed evaluating each slab throughout the project site. The distress survey indicates that substantial pavement cracking has occurred since the last visual inspection in 1990. An intense maintenance program is recommended.

1996 Safety Belt Usage Survey and Evaluation of Effectiveness in Kentucky

Kenneth R. Agent
The objective of this study was to establish 1996 safety belt and child safety seat usage rates in Kentucky. The 1996 survey documents the continuing results from enacting a statewide mandatory safety belt law in 1994. Data were collected at 100 sites and combined based on vehicle miles travelled for a given type of highway, rural or urban location, and county population category. Also included in the report is an analysis of accident records evaluating...

Recognizing and Serving Low-Income Students in Higher Education (review)

Michael Peabody
In a time of decreasing appropriations from state and federal agencies, institutions of higher education are making changes to the services they provide. In this book Adrianna Kezar (ed.) examines the policies and practices that negatively affect low-income students and utilizes a post-structuralist lens to provide a framework for institutions to think differently about the services they provide.

2011 Safety Belt Usage Survey in Kentucky

Eric R. Green & Kenneth R. Agent
The objective of this study was to establish 2011 safety belt and child safety seat usage rates in Kentucky . The 2011 survey continues to document the results after enactment of the original “secondary enforcement” statewide mandatory safety belt law in 1994 and the subsequent change to “primary enforcement” which was enacted in 2 006. Data were collected at 160 randomly selected sites in 18 counties across Kentucky. Data from the individual sites were combined...

Socio-economic Analysis of Fatal Crash Trends (Final Report)

Adam Kirk, Jerry G. Pigman & Kenneth R. Agent
This report describes the analysis of fatal crash patterns and explores the impact of socioeconomic factors and safety regulations on statewide crash rates. This analysis separated statewide crash rates between 2002 and 2004 into two samples, 1) those with crash rates 25 percent greater than the average national rate and 2) those with crash rates lower than this threshold. Safety regulations and socioeconomic factors were identified as having a significant effect on crash rates, with...

Travel Time Based Congestion Measures for Freeway Corridors

Mei Chen
Travel time based mobility measures have been increasingly used in highway performance analyses. Among them, Travel Time Index (TTI), Planning Time Index (PTI), percentage of travel under congestion (PTC), and buffer index (BI)have been identified as measures of particular interests in Kentucky. The objectives of this study are: (1) Calculate TTI, PTI, PTC, and BI for freeways within the TRIMARC coverage; and (2) Explore potential correlation between the reliability measures and incident characteristics (e.g., number...

Toward Enhancing Estimates of Kentucky’s Heavy Truck Tax Liabilities

Andrew V. McNeill, Suzanne Perkins & Merl Hackbart
Kentucky has established a Road Fund tax structure that is partially based on the principle that the system users pay their fair share of the costs associated with maintaining a safe and efficient highway system in Kentucky. Several of the most important sources of Kentucky’s road fund revenues derived from commercial trucking are dependent on the self-reported tax liabilities submitted by trucking firms. Self- reporting and the interstate nature of this industry allows for the...

Countermeasures for Fatal Crashes on Two-Lane Rural Roads

Kenneth R. Agent, Jerry G. Pigman & Nikiforos Stamatiadis
In the first phase of this study, characteristics of crashes on two-lane rural roads were summarized and compared to all crashes. Also, one-mile sections having high crash rates were identified. In this phase of the study, a detailed analysis was conducted for a random sample of 150 fatal crashes which occurred on a two-lane rural road. Recommendations were made for countermeasures to reduce the number and severity of crashes on this type of roadway. The...

Tools for Applying Constructability Concepts to Project Development (Design)

Nikiforos Stamatiadis, Paul Goodrum, Emily Shocklee & Chen Wang
The purpose of this report is to document the activities of Phase I of the research effort and present the development of the Constructability Review Database developed for the Kentucky Transportation Cabinet. The database provides the basis for entry and collection of constructability reviews and allows for the identification of trends leading to potential improvements of the process. The database can be used to summarize activities, generate reports for a project, and be capable of...

Seismic Evaluation and Ranking of Embankments for Bridges on and over the Parkways in Western Kentucky

Han Shan Ding, Issam E. Harik & Ching Chiaw Choo
This study represents one of the Seismic Evaluation of Bridges on and over the Parkways in Western Kentucky investigative series. The effort is focused on the seismic vulnerability of bridge embankments against slope instability and liquefaction potential. An evaluation and rating procedure is presented to assist in identifying and prioritizing bridge embankments that are susceptible to failure due to projected seismic events. To expedite the process, the algorithm titled Seismic Assessment System for Bridges (SASB)...

Analysis of Traffic Crash Data in Kentucky (2003 – 2007)

Eric R. Green, Kenneth R. Agent & Jerry G. Pigman
This report documents an analysis of traffic crash data in Kentucky for the years of 2003 through 2007. A primary objective of this study was to determine average crash statistics for Kentucky highways. Average and critical numbers and rates of crashes were calculated for various types of highways in rural and urban areas. These data can be used in Kentucky’s procedure to identify locations that have abnormal rates or numbers of crashes. The other primary...

Traffic Forecasting Report – 2007

David Hamilton
This is the sixth edition of the Traffic Forecasting Report (TFR). This edition of the TFR contains the latest (predominantly 2007) forecasting/modeling data as follows: Functional class average traffic volume growth rates and trends Vehicle miles traveled statewide total by functional class ATR locations, K-factors, and ADTs Functional class average K-factors and D-factors Functional class average truck volumes, truck percentages, ESAL calculation factors, and vehicle types Kentucky Statewide Model Summary List of MPO (urbanized) and...

Evaluation Of Corrugated Steel Pipe Culverts KY 55, Shelby County

L. John Fleckenstein & David L. Allen
In February of 1998, the Kentucky Transportation Cabinet requested that the Kentucky Transportation Center investigate excessive deflection occurring in three aluminized Type 2 corrugated metal pipe culverts installed during the realigning and widening on KY 55. The pipes were initially inspected in February 1998. The embankments were only 50 percent completed and in several locations only one-half of the total length of the culvert had been installed, The scope of this project was increased after...

An Overview of U.S. Commuter Rail

Timothy J. Brock & Reginald R. Souleyrette
Planners view commuter rail as a means of managing urban sprawl, stimulating economic development and reducing the environmental impacts of transportation. Commuter rail systems, which use shared rights-of-way to connect suburban hubs with downtown urban centers, are beginning to have a large impact on the way people and freight move through US cities. Currently, there are 26 commuter rail systems operating in 29 major U.S. metropolitan areas. However, there is confusion among the general public...

Jurisdiction Size and Director Compensation in Connecticut Local Health Departments

Nicole Lorenzo & Rexford E. Santerre
Objective: To examine if the compensation of local public health directors responds to organizational size in the same manner found for other types of for-profit, not-for-profit, and public managers. Design: Panel data ordinary least squares with fixed effects for the local health department and time period. Control variables include median household income, the unemployment rate, and the part-time versus full-time and independent versus district status of the local public health department. Setting: Sample of Connecticut...

2005 Safety Belt Usage Survey in Kentucky

Kenneth R. Agent & Eric R. Green
The objective of this study was to establish 2005 safety belt and child safety seat usage rates in Kentucky. The 2005 survey continues to document the results after enactment of a statewide mandatory safety belt law in 1994 and safety belt enforcement campaign. Data were collected at 200 randomly selected sites spread across Kentucky. Data from the individual sites were combined into a statewide percentage considering roadway functional classification, geographic region, and vehicle miles traveled....

Evaluation of Kentucky’s “Buckle Up Kentucky: It’s the Law & It’s Enforced” 2005 Campaign

Kenneth R. Agent, Eric R. Green & Ronald E. Langley
The objective of this report was to document the results of the “Buckle Up Kentucky: It’s the Law & It’s Enforced” 2005 campaign in Kentucky. The campaign involved a combination of earned media, paid media, and enforcement. The earned media started two weeks prior to Memorial Day 2005and continued through the enforcement period. Two separate paid media campaigns were conducted.One dealt specifically with pickups while the other was a general campaign for all drivers. The...

A Critical Analysis of the Identification and Treatment of First-Generation College Students

Michael Peabody
This paper examines institutional identification of first-generation college students and corresponding campus retention programs utilizing a Social Capital lens. Building on the theoretical foundation of Astin and Tinto this article argues that all student retention programs are based on Social Capital theory and provides recommendations for improving campus retention programs.

Enhancing Kentucky’s Transportation Funding Capacity

Merl Hackbart, , Michael J. Moody & Candice Y. Wallace
Kentucky faces several challenges in meeting the funding needs for its transportation infrastructure. The state currently relies on a revenue stream based on road user taxes and fees. However, the structure of these taxes and fees are such that revenues have not kept up with the growth in the number of licensed drivers and motor vehicle travel. In addition, inflationary pressures, coupled with the Road Fund’s low growth rate, have diminished the purchasing power of...

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  • 2015
    973

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    973