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Ridge-Tillage: Advantages And Disadvantages, David C. Ditsch

Soil Science News and Views

Ridge-Till is a crop production system that has become increasingly popular with grain producers in some areas of the mid-west. This unique tillage system may provide some Kentucky farmers with an alternative method of planting. Limited information on the adaptability of ridge-till on Kentucky soils and climatic conditions make it important that growers investigate the system thoroughly to determine how it would fit into their operation before deciding to change. Ridge-till involves planting on elevated rows that remain undisturbed after establishment. One or more cultivations are then made during the early part of each growing season to improve weed control, …

Effect Of Tillage Tools On Improving Corn Yields From A Compacted Soil, Kenneth L. Wells, John H. Grove, Morris J. Bitzer, B. C. Milam

Agronomy Notes

An experiment was conducted on a 2-5% sloping Mercer silt loam soil on a farm in Bourbon/Harrison Counties where very poor corn was grown in 1984 because of soil compaction and drought. Soil test levels of the experimental area were: pH 4.8. and 99, 316, 2070. and 120 lbs/A of P, K, Ca, and Mg, respectively. Examination of the field showed that the compacted zone occurred uniformly in the 0-5 inch surface layer of soil. Cause of this compacted layer was thought to be due to excessive disk tillage in prior years when preparing the field for tobacco production and …

Southeastern Law Librarian Spring 1986, Seaall

Newsletters

No abstract provided.

Grain Sorghum And Soybean Variety Tests On Reconstructed Prime Land - 1985, R. I. Barnhisel, Morris J. Bitzer, William O. Thom

Agronomy Notes

Prime farmland disturbed by surface mining must by law be returned to a productivity level equal to that before mining. The coal operator has several test crops that can be selected to determine whether these production standards have been met before final bond release will be made. Grain sorghum and soybeans are two of the crops that may be used. The purposes of this research are (1) to determine the crop yield potential of restored prime farmland from surface mined areas, (2) to determine varietal adaptation on restored prime farmland as compared to non-mined prime farmland, and (3) to provide …

The Review, Spring 1986, University Of Kentucky College Of Law

Annual Magazines

No abstract provided.

Silencing Gideon's Trumpet: The Plight Of The Indigent Prisoner, Allison I. Connelly

Law Faculty Popular Media

In this newsletter article, Professor Connelly discusses the difficulties faced by indigent prisoners in gaining access to the justice system.

Effects Of Load Distributions And Axle And Tire Configurations On Pavement Fatigue, Herbert F. Southgate, Robert C. Deen

Kentucky Transportation Center Research Report

Damage factor relationships for axle and tire configurations are presented. Adjustment factors are provided to account for variations in load distributions within axle groups, distances between axles of a tandem, and variations in tire pressure for both dual and flotation tires.

Properly accounting for accumulated fatigue of a pavement requires a traffic volume, proportions of vehicle styles (classifications) within the of service, estimate of the average damage factor for each classification, reasonable measure of traffic stream, dates and estimates of tire contact pressures.

All adjustment factors presented are based on analyses of a limited number of structures and should be …

Use Of Nondestructive Testing To Prevent Failures Of In-Service Metal Bridges, Theodore Hopwood Ii, Robert C. Deen

Kentucky Transportation Center Research Report

The failure of metal bridges, subject to in-service fracture problems mainly caused by fatigue, may be prevented or minimized by performance of periodic nondestructive testing. Attendant factors that justify funding for such inspections include the potential for bridge failure, the consequences of bridge collapse, risk analyses, and inspection strategies. Factors that affect structural integrity include structural design, construction quality, and service loadings.

Details of a computer/strain-gage system capable of obtaining strain-gage data from critical structural elements are described. Data are processed to determine the stress-range distribution, number of stress cycles, resolved mean stress range, need for structural inspection, critical crack …

Documentation For 1986 Weight-Distance Tax Analyses Using Lotus 1-2-3, Herbert F. Southgate

Kentucky Transportation Center Research Report

No abstract provided.

Evaluation Of A Full-Depth Asphaltic Concrete Pavement, Herbert F. Southgate, Gary W. Sharpe, Mark Anderson

Kentucky Transportation Center Research Report

This study was initiated to verify a newly-developed set of design curves for full-depth asphaltic concrete pavements. Quality control during construction was checked using nuclear density testers, Benkelman beams, and a Road Rater. During the course of this study, an analysis system (predicated upon the elastic theory model) was developed to interpret the dynamic deflections as measured by the Road Rater. The thickness design curves were verified by elastic theory and deflection testing within the accuracy of construction variations.

Measured rut depths were analyzed in terms of potential rut depth resulting from consolidation under traffic due to lack of obtaining …

Nondestructive Evaluation Of Rigid Pavements Using Road Rater Deflections [1986], Gary W. Sharpe, Mark Anderson, Robert C. Deen, Herbert F. Southgate

Kentucky Transportation Center Research Report

Dynamic deflections have been used to determine in-place structural conditions of rigid pavements, based on modifications of principles and experience with the structural evaluation of flexible pavements. Details of the use of elastic layer theory to simulate deflection measurements associated with loadings for the Kentucky Road Rater are presented. Included is an illustration of the use of field deflection measurements to "back calculate" in-place moduli. The procedures are generally iterative and involve matching measured deflections with theoretical deflections. Elastic layer principles have been used to simulate deflections only at the mid slab position. Relationships regarding deflections at other locations on …

Stability Of Embankments On Clay Foundations, Tommy C. Hopkins

Kentucky Transportation Center Research Report

Ninety-one well-documented geotechnical failures are reviewed. The case studies involved the failure of embankments, footings and load tests, excavated slopes, and natural slopes. Seventy-five of the geotechnical failures had been analyzed using total stress analysis. Sixteen of the case failures had been analyzed using effective stress analysis. Based on a review of these case studies, there are discrepancies between predicted and actual stabilities of geotechnical structures and there is a tendency tu overestimate the factor of safety. Differences that may arise between predicted and actual performances are discussed and examined and guidelines are proposed for evaluating the potential of successfully …

Use Of Post Delineators On Interstates, Kenneth R. Agent, Jerry G. Pigman

Kentucky Transportation Center Research Report

The objectives of this report were to investigate 1) the potential benefits of using flexible posts for post delineators and 2) the possibility of not requiring post delineators on sections of interstate-type highways where recessed markers are installed.

It is recommended that post delineators should only be used when the design curvature is 1.5 degrees or more, and the spacing should be based on the formula given in Table III – 1 of the MUTCD. Data obtained concerning the performance of flexible posts do not support widespread use at this time. A testing program should be developed to obtain an …

Treatment Of Narrow Medians On Four-Lane Rural Roadways, Jerry G. Pigman, Kenneth R. Agent

Kentucky Transportation Center Research Report

The objective of this study was to investigate alternatives to paved mountable medians that have been used in the past on sections of four-lane, partially controlled access roads where right-of-way is restricted. These mountable medians present obvious operational problems due to the 3-inch difference in height as compared to the through lanes. In addition, construction and maintenance problems are associated with mountable medians because of the height differential.

A telephone survey of 16 states was conducted to determine their policy for separation of rural four-lane roads with partial control of access and narrow medians. Accident analyses comparing roads in Kentucky …

Letter To Nancy Johnson Regarding The Scholarship Committee Annual Report, March 26, 1986, Constance Matzen

Scholarship Committee

A letter from Constance Matzen to Nancy Johnson providing Johnson with the Scholarship Committee's annual report.

Letter To Hazel Johnson Regarding The Southeastern Law Librarian, March 26, 1986, Constance Matzen

Scholarship Committee

A letter from Constance Matzen to Hazel Johnson providing a list of Lucile Elliott Scholarship recipients for publication in the Southeastern Law Librarian.

Letter To Richard Danner Regarding Lucile Elliott Scholarship Recipients, March 26, 1986, Constance Matzen

Scholarship Committee

A letter from Constance Matzen to Richard Danner providing a list of Lucile Elliott Scholarship recipients.

Letter To Margarette Dye Regarding Seaall Membership Dues, March 20, 1986, Mary Smith Forman

Correspondence

A letter from Mary Smith Forman to Margarette Dye discussing membership dues notices and an issue with the memberships of librarians at the Florida Supreme Court.

Letter To Margarette Dye Regarding Seaall Membership Dues, March 20, 1986, Martha Otting

Correspondence

A letter from Martha Otting to Margarette Dye concerning the payment of Otting's membership dues.

Letter To Margarette Dye Regarding Seaall Records, March 20, 1986, Karleen De Blaker

Correspondence

A letter from Karleen De Blaker to Margarette Dye regarding whether the SEAALL records were open for public inspection.

Letter To Margarette Dye Regarding Seaall Membership, March 19, 1986, Sandra O'Connor

Correspondence

A letter from Sandra O'Connor to Margarette Dye providing an updated address for the SEAALL membership list.

Letter To Margarette Dye Regarding Seaall Secretary/Treasurer Business, March 19, 1986, Pat Spaulding

Correspondence

A letter from Pat Spaulding to Margarette Dye requesting that Dye sign a form.

Letter To Margarette Dye Regarding Lucile Elliott Scholarship Recipients, March 17, 1986, Constance Matzen

Scholarship Committee

A letter from Constance Matzen to Margarette Dye providing a list of Lucile Elliott Scholarship recipients.

Letter To Mary Smith Forman And Hazel Johnson Regarding The Seaall Annual Meeting, March 11, 1986, Richard Danner

Correspondence

A letter from Richard Danner to Mary Smith Forman and Hazel Johnson thanking them for their work on the SEAALL Annual Meeting.

Letter To Hazel Johnson Regarding Seaall Membership List, March 10, 1986, Margarette Dye

Correspondence

A letter from Margarette Dye to Hazel Johnson regarding additions to the SEAALL membership list.

Letter To Constance Matzen Regarding Award Of A Lucile Elliott Scholarship, March 7, 1986, Doris Hinson

Scholarship Committee

A letter from Doris Hinson to Constance Matzen accepting the Lucile Elliott Scholarship awarded to her.

Letter To Constance Matzen Regarding Award Of A Lucile Elliott Scholarship, March 6, 1986, Susan Morrison

Scholarship Committee

A letter from Susan Morrison to Constance Matzen accepting the Lucile Elliott Scholarship awarded to her.

Letter To Suzanne Krebsbach Regarding Award Of A Lucile Elliott Scholarship, March 3, 1986, Constance Matzen

Scholarship Committee

A letter from Constance Matzen to Suzanne Krebsbach notifying her that she has been selected as a recipient of the Lucile Elliott Scholarship.

Letter To Janet Sinder Regarding Award Of A Lucile Elliott Scholarship, March 3, 1986, Constance Matzen

Scholarship Committee

A letter from Constance Matzen to Janet Sinder notifying her that she has been selected as a recipient of the Lucile Elliott Scholarship.

Letter To Doris Hinson Regarding Award Of A Lucile Elliott Scholarship, March 3, 1986, Constance Matzen

Scholarship Committee

A letter from Constance Matzen to Doris Hinson notifying her that she has been selected as a recipient of the Lucile Elliott Scholarship.