1,554 Works

Proposed Special Specification for Reflectorizing Glass Spheres

James H. Havens
In response to your request for a specification that will apply to glass beads for reflectorizing surfaces of signs, paints, and other night driving aids, we recommend the attached material which is drawn up in the form of a proposed specification. In general, the procedures. and ranges of performance characteristics conform with things that have been discussed by the A.S.T.M. Subcommittee on Traffic Paints. Actually, A.S.T.M. has not adopted a specification, but probably they will...

Observations of the Manufacture and Placement of Prefabricated Bridge Sections and Precast Concrete Riprap

Dave H. Sawyer
The design and equipment necessary in precast concrete operations has progressed in recent years to such an extent that the resulting products are now being used satisfactorily in many types of construction. This report covers two precast concrete products which the Department of Highways authorized in contracts let in 1954 and 1955. These items however, are not the first precast concrete products to be used by the Department. Two concrete bridges are known to have...

Blown Mulch for Roadside Erosion Control

Jason C. Taylor
In May 1954, the Division of Construction brought to the attention of the Research Division the fact that an effort was being made (for the first time in Kentucky) to revise the conventional manner of applying straw mulch to a seeded right-of-way. This innovation was to be achieved with the use of a recently-invented machine known as the "Finn Mulch Spreader", which is capable of mixing a straw mulch with some adhesive substance and then...

Cold-Applied Mastic-Type Crack and Joint Filler Compound

L. E. Gregg
For the past year the Research Laboratory has been investigating joint filling compounds for concrete pavements with the object of determining whether extenders of one type or another placed in the hot-poured rubber-asphalt filler could reduce the cost without reducing the efficiency of these materials. Also included in the investigation was a search for new or different materials that might serve the same purpose but have properties that would make them more desirable or less...

Bond Characteristics of Commercial and Prepared Reinforcing Bars

S. T. Collier
Early in 1945 a request was made by the Bridge Division of the Kentucky Department of Highways that bond characteristics of certain reinforcing bars be analyzed by the Department's Materials Research Laboratory. Nothing extensive was contemplated, it being the intent of the Bridge Division to determine whether reinforcing steel commonly used on bridge projects at the time should develop bond stresses reasonably close to those that could be developed by the specially prepared bars; and...

A Study of the Effect of Blended Coarse Aggregate on Air Entrained Concrete

S. T. Collier & L. E. Gregg
This research with combined coarse aggregates in cement concrete was initiated at the request of the Director of Design as a direct result of the condition study made by the Division of Design in 1945. In the report on this study it was shown that on the basis of averages pertaining to 80 projects with crashed limestone totalling about 395 miles in length, and 70 projects with Ohio River Gravel totalling approximately 410 miles in...

Construction Report on Experimental Use of Natural, Bituminous, Quartz Sandstone (Kentucky Rock Asphalt) as a Traffic-Bound Aggregate

George R. Laughlin
Major deposits of natural, bituminous, quartz sandstone (Kentucky Rock Asphalt) occur in six counties of western Kentucky and a few minor deposits occur in eastern Kentucky. Crushed rock asphalt has been used extensively in Kentucky and elsewhere for over 50 years for surfacing roads.* The most productive area was in Edmonson County where the Caseyville and Bee Springs formations were quarried and mined. These deposits have been described as oil-pools which are now defunct and...

Cross Drain Inspection I-65, Mile-Points 0.00-24.8 and 40.5-91.3

Brad W. Rister & Jonathan Fisher
The following report contains detailed inspections of cross drains and headwalls located on I-65 in Kentucky from mile point 0.0-24.8 and 40.5-91.3. A condition assessment was performed for each located drainage structure and the discovered distresses were then recorded by location and severity. Of the 830 cross drains inspected, 313 may need some form of remedial action. Of these 313 pipes, 134 may need to be repaired or replaced and 179 may need to be...

Summary of Results of 1994 Field and Laboratory Evaluations of Pavement Marking Materials

This report summarizes the results of data collected as part of the 1994 field and laboratory evaluations of pavement marking materials for the National Transportation Product Evaluation Program (NTPEP). The purpose of the NTPEP is to pool the professional and physical resources of the individual participating AASHTO member departments and to focus those resources to test materials of common interest in order to improve cost-effectiveness. The type of testing performed under the NTPEP will provide...

The Development, Implementation, and Evaluation of a Campus-Based Culinary Nutrition Program for College Students

Jennifer McMullen
College students, on average, do not consume enough fruits and vegetables. Contributing to poor eating habits is an overall decline in young adults’ cooking skills as compared to previous decades, with today’s college students often relying on ubiquitous convenience food options. The detriments associated with these food choices are linked to a number of chronic diseases, including obesity. Though programming for college students which incorporates both nutrition education and hands-on cooking opportunities is rare, programs...

Utopian Dreams, National Realities

Juli Gatling Book
Utopian Dreams, National Realities: Intellectual Cooperation and the League of Nations chronicles the work of the League of Nations’ International Committee on Intellectual Cooperation (CICI). This dissertation demonstrates how the CICI’s utopian vision of international peace was actively challenged by national tensions and agendas in the interwar period. It examines the idealistic goals of the movement by focusing on the narratives and motivations of key committee members as they worked toward their own ideas of...

Dating Deformation in the Palmer Zone of Transpression, Central Massachusetts

James K. McCulla
The Palmer Zone of Transpression (PZoT) in the Bronson Hill zone of central Massachusetts is an expression of late Paleozoic oblique convergence between Avalonia and Laurentia. The steeply W-dipping, N-S trending PZoT is defined by bounding high strain zones (Mt. Dumplin on west, Central Maine and Conant Brook on east) of opposing shear sense enclosing the Monson orthogneiss. Research was designed to establish the timing of deformation to test the hypothesis that strain in transpressional...

Thermodynamics and Kinetics of the Three-Way Junction of Phi29 Motor pRNA and its Assembly into Nanoparticles for Therapeutic Delivery to Prostate Cancer

Daniel W. Binzel
The emerging field of RNA nanotechnology necessitates creation of functional RNA nanoparticles, but has been limited by particle instability. Previously, it was found the three-way junction (3WJ) of the Phi29 DNA packaging motor pRNA was found to be ultra-stable and assemble in solution without the presence of metal ions. The three-way junction is composed of three short oligo RNA strands and proven to be thermodynamically stable. Here the assembly mechanism, thermodynamic and enzymatic stabilities, and...

Pavement Design Guide: A Short Course

The purpose of this short course is to provide information to the registered engineer (with no previous background in pavement design or pavement technology) on the structural design of pavements. Included in this course is a summary of background information on the materials used in pavement construction and on the history and evolution of pavement design. Included with this course is an updated Design Guide or catalog to be used for designing new pavements in...

Economic Impact of Heavy Loads On the Highway Infrastructure

Brad W. Rister, R. Clark Graves & David L. Allen
During the 1986 General Assembly the Extended-Weight Coal Haul Road System was created by the Kentucky State Legislature. This system was defined to include those highways where more than 50,000 tons of coal had been hauled during the previous year. Trucks hauling coal on the extended-weight system were authorized to exceed the normal weights limits through the payment of an annual decal fee. In efforts to identify the benefactors of the extended coal haul system...

Trends in Clinical Billing by Local Health Departments

J. Mac McCullough
Background: Billing for clinical services is perceived to be increasingly important for local health departments (LHDs). Yet very little evidence exists regarding the frequency and relative financial importance of clinical billing revenues. Purpose: The purpose of this study is to report on trends in the frequency and financial scope of clinical billing by LHDs from 2008 to 2013. Methods: The study used data from the 2008, 2010, and 2013 National Association of City and County...

Traffic Accident Investigation

Kenneth R. Agent & Jerry G. Pigman
The information given in this report deals with the reporting and at-scene investigation of traffic accidents. The procedure to complete the uniform police traffic accident report used in Kentucky is described. Also, the proper procedure necessary to document the accident scene is described. The objective of this report is to summarize the material included in the "Traffic Accident Investigation" workshop. The workshop also included case studies which were used to illustrate the procedures for proper...

Evaluating the Design and Effectiveness of Subsurface Drainage Layers

Bobby W. Meade & David Q. Hunsucker
In recent years, the subject of open-graded drainage layers, often referred to as "drainage blankets", has been utilized increasingly for pavement drainage. This study addresses the use of drainage blankets in Kentucky. Study efforts have focused on construction, performance, materials, and design considerations of drainage blankets. Study findings are that the Number 57 gradation provides the optimum drainage and structural stability of the standard gradations evaluated. Asphalt treated aggregate provides greater stability and a better...

FLOW VISUALIZATION OF BUOYANT INSTABILITY IN A CROSS-FLOW

Nikolay Gustenyov
This thesis reports small-scale laboratory experiments designed to visualize the flow over a heated plate. A low-speed wind tunnel was built, and a heating plate was flush mounted on the wind tunnel floor to provide a uniform heat flux over its surface. A paper thin cloth soaked with commercially available Vaseline was placed on top of the heating plate to produce thick smoke streaks that were carried downstream by a horizontal airflow. Both LED light...

ROCK DUST SURFACE CHEMISTRY MODIFICATIONS FOR ELIMINATING CAKE FORMATION AND IMPROVING DISPERSION IN COAL DUST EXPLOSION MITIGATION APPLICATIONS

Qingging Huang
Rock dust has been historically applied to mitigate the coal dust explosion in either dry or wet form. Dry rock dust performs best in inerting the potential coal dust explosion due to the greatest dispersive properties. However, it undesirably exposes underground coal miners to respirable dust particles which imposes a severe health danger. Wet dust application is able to significantly reduce the floatable dust particles but another problem associated with caking is predominant. Caking phenomenon...

CP-nets

Thomas E. Allen
Conditional preference networks (CP-nets) exploit the power of ceteris paribus rules to represent preferences over combinatorial decision domains compactly. CP-nets have much appeal. However, their study has not yet advanced sufficiently for their widespread use in real-world applications. Known algorithms for deciding dominance---whether one outcome is better than another with respect to a CP-net---require exponential time. Data for CP-nets are difficult to obtain: human subjects data over combinatorial domains are not readily available, and earlier...

An Experimental Investigation of the Effects of Contract Frame and Discretion in Performance Evaluation on Effort

Robert Ewing
The design of incentive compensation plans is critical to a company’s success. This study develops and validates a theoretical model to examine how incentive contract framing affects effort. This study uses an experiment to observe the effect of the manipulation of incentive contract frame and the presence or absence of principal discretion in performance evaluation on effort. The results of the experiment show that when principal discretion in performance evaluation is absent, penalty contracts induce...

Cryogenic Processing of Al 7050-T7451 Alloy for Improved Surface Integrity

Bo Huang
Al 7050-T7451 alloy with good combinations of strength, stress corrosion cracking resistance and toughness, is used broadly in the aerospace/aviation industry for fatigue-critical airframe structural components. However, it is also considered as a highly anisotropic alloy as the crack growth behavior along the short transverse direction is very different from the one in the long transverse direction, due to the inhomogeneous microstructure with the elongated grains distributed in the work material used in the sheet/plate...

Cable Sizing and Its Effect on Thermal and Ampacity Values in Underground Power Distribution

Obinna E. Igwe
Over the past decade, underground power distribution has become increasingly popular due to its reliability, safety, aesthetic characteristics, as well as the ever increasing focus on the environmental impacts of the various stages of power generation and distribution. With the technological advances in this area, the process of running these cables have become more economical and efficient. This thesis explores the practice of grouping multiple three phase cables in a common conduit, using the duct...

Chaos Theory and Emergent Behavior

Morgan C. Getchell
Chaos theory holds that systems act in unpredictable nonlinear ways and that their behavior can only be observed, never predicted. This is an informative model for an organization in crisis. The West Virginia water contamination crisis, which began on January 9, 2014, fits the criteria of a system in chaos. Given the lack of appropriate response from the established organizations involved, many emergent organizations formed to help fill unmet informational and physical needs of the...

Registration Year

  • 2016
    1,554

Resource Types

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