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Articles 1531 - 1560 of 2796
Full-Text Articles in Civil and Environmental Engineering
Kentucky Traffic Accident Facts 1990 Report, Kentucky State Police
Kentucky Traffic Accident Facts 1990 Report, Kentucky State Police
Kentucky Transportation Center Research Report
KENTUCKY'S TRAFFIC ACCIDENT FACTS report for 1990 is based on accident reports submitted to the Kentucky Accident Reporting Unit housed in the Kentucky State Police Information Services Branch, Records Section. As required by Kentucky Revised Statutes 189.635, "every law enforcement agency whose officers investigate a vehicle accident of which a report must be made . . . shall file a report of the accident . . . within ten days after investigation of the accident upon forms supplied by the bureau." The stated purpose of this requirement is to utilize data on traffic accidents "for such purposes as will …
Allocation Of Highway Costs And Revenues, Jerry G. Pigman, John A. Deacon
Allocation Of Highway Costs And Revenues, Jerry G. Pigman, John A. Deacon
Kentucky Transportation Center Research Report
This highway cost and revenue allocation study is the fourth of a recent Kentucky series begun in 1982. Experience gained with each study has resulted in subsequent refinements that have enlarged the data base, enhanced the accuracy, and simplified the study process. One of the long-term aims is to develop an easy-to-use process for continuously monitoring effects of changes in traffic patterns, in finance and tax policy, and in highway expenditures.
The primary objective of the current study was to determine the 1989 levels of revenue contribution and cost responsibility for each of several classes of Kentucky highway users. As …
Development Of A Priority Ranking System For Bridge Rehabilitation And Replacement, Theodore Hopwood Ii, Vishwas G. Oka
Development Of A Priority Ranking System For Bridge Rehabilitation And Replacement, Theodore Hopwood Ii, Vishwas G. Oka
Kentucky Transportation Center Research Report
The main objective of this study was to review a Bridge Priority Ranking System for Bridge Replacement developed by the Kentucky Transportation Cabinet Division of Maintenance. The system ranked bridges for improvement (rehabilitation or replacement) based on a benefit/cost ratio.
The system was used to rank a large data base consisting of 267 bridges. Analysis of the rankings revealed that the ranking system gave priority to bridges having low improvement costs. Many of those had low traffic volumes and subsequently, they had high costs of improvement per vehicle served.
The equation used to compute bridge deficiency points was revised. Several …
Evaluation Of Wick Stabilization Of Approach Fill Foundation (Carroll County), Bobby W. Meade, David L. Allen
Evaluation Of Wick Stabilization Of Approach Fill Foundation (Carroll County), Bobby W. Meade, David L. Allen
Kentucky Transportation Center Research Report
The purpose of this study was to document construction procedures and evaluate the effectiveness of wick drains as a foundation stabilization method. This effort was executed by use of field inspections, photologs, and instrumentation to monitor foundation and field response. Instrumentation included a multipoint settlement gage, settlement platforms, and vertical slope inclinometers.
This procedure was judged to be successful in that 90 percent consolidation of the deep foundation occurred within approximately 100 days. Construction procedures were generally satisfactory.
Integrated Truck Monitoring System, Jerry G. Pigman, John A. Deacon
Integrated Truck Monitoring System, Jerry G. Pigman, John A. Deacon
Kentucky Transportation Center Research Report
The primary objectives of the study are as follows: 1) Develop functional specifications for an integrated truck monitoring system for use in Kentucky, 2) Determine the extent to which KYU numbers (unique identification for large trucks operating in Kentucky) are being displayed as required, 3) Examine the impact of the KYU numbering system on motor carrier operations, and 4) Determine the magnitude of the problems related to trucks using bypass routes to avoid inspection stations.
Accomplishments documented in this interim report include the following: 1) Field studies were conducted to determine the frequency of trucks bypassing inspection stations and compliance …
Evaluation Of Stone Column Stabilized Embankment Foundation, Bobby W. Meade, David L. Allen
Evaluation Of Stone Column Stabilized Embankment Foundation, Bobby W. Meade, David L. Allen
Kentucky Transportation Center Research Report
The purpose of this study was to document construction procedures, monitor field performance, and make recommendations as to the effectiveness and future use of the stone column procedure for foundation stabilization. This effort was executed by use of field inspections, photologs, instrumentation to monitor foundation and field response, and laboratory analyses of existing and possible conditions.
Instrumentation included earth pressure meters, a multipoint settlement gage, a horizontal slope inclinometer, a settlement platform, and vertical slope inclinometers. Settlement of the foundation after column construction was observed to be approximately 9 inches as compared to the predicted total settlement of 16 inches. …
Long-Term Evaluation Of Durable Lane Delineation Materials, Kenneth R. Agent, Jerry G. Pigman
Long-Term Evaluation Of Durable Lane Delineation Materials, Kenneth R. Agent, Jerry G. Pigman
Kentucky Transportation Center Research Report
The objective of this report was to summarize the long-term performance of several types of durable lane delineation materials. Polyester paint was determined to be an effective durable lane material with most use of this material being on asphaltic concrete surfaces having an average daily traffic of under 10,000. Extruded thermoplastic was also determined to be an effective durable lane delineation material with its cost limiting its use to higher volume asphaltic concrete surfaces. Either the hydrocarbon or alkyd thermoplastic formulation could be used but the alkyd formulation was observed to maintain a higher reflectivity. While not classified as a …
Preliminary Engineering, Monitoring Of Construction, And Initial Performance Evaluation: Use Of Ponded Fly Ash In Highway Road Base, David Q. Hunsucker, R. Clark Graves
Preliminary Engineering, Monitoring Of Construction, And Initial Performance Evaluation: Use Of Ponded Fly Ash In Highway Road Base, David Q. Hunsucker, R. Clark Graves
Kentucky Transportation Center Research Report
This report summarizes findings of laboratory and field trial evaluations of ponded fly ash used as a component In a stabilized aggregate base course. Ponded fly ash is the fine portion of pond ash which is a by-product of a coal burning process and Is disposed by sluicing to a disposal pond.
Three stabilized aggregate base mixtures containing various proportions of dense graded aggregate, ponded fly ash, and hydrated lime were evaluated In the laboratory relative to maximum dry density, optimum moisture content, and unconfined compressive strength. The mixture that was selected for field trial evaluation had the highest unconfined …
Appendix B: Riding High Today, Paige Daniel
Appendix B: Riding High Today, Paige Daniel
Kentucky's Annual Forum on Transportation
No abstract provided.
Appendix C: Index Of Participants, Kentucky Transportation Center
Appendix C: Index Of Participants, Kentucky Transportation Center
Kentucky's Annual Forum on Transportation
No abstract provided.
Appendix A: Presentation Of Roads Scholars, Calvin G. Grayson
Appendix A: Presentation Of Roads Scholars, Calvin G. Grayson
Kentucky's Annual Forum on Transportation
No abstract provided.
Kentucky's Transportation System [1989], Milo D. Bryant
Kentucky's Transportation System [1989], Milo D. Bryant
Kentucky's Annual Forum on Transportation
No abstract provided.
Transportation Finance In The Next Biennium, Merl M. Hackbart, James Ramsey, Michael R. Moloney, Joe Clarke
Transportation Finance In The Next Biennium, Merl M. Hackbart, James Ramsey, Michael R. Moloney, Joe Clarke
Kentucky's Annual Forum on Transportation
No abstract provided.
Safety Legislation: Concerns For 1990 General Assembly, Calvin G. Grayson, Nancy Foster, Ray Larson, Jerry G. Pigman, Willam M. Lear Jr.
Safety Legislation: Concerns For 1990 General Assembly, Calvin G. Grayson, Nancy Foster, Ray Larson, Jerry G. Pigman, Willam M. Lear Jr.
Kentucky's Annual Forum on Transportation
No abstract provided.
Accident Prevention At Rail Grade Crossings, Robert A. Wells
Accident Prevention At Rail Grade Crossings, Robert A. Wells
Kentucky's Annual Forum on Transportation
No abstract provided.
Safety Research—Needs And Funding Opportunities, David K. Phillips
Safety Research—Needs And Funding Opportunities, David K. Phillips
Kentucky's Annual Forum on Transportation
No abstract provided.
Law Enforcement And Engineering Incident Management—A Necessary Partnership: Incident Management, Jerry L. Lentz, James H. (Mike) Molloy, Sam W. Lester, Pat Dugger, William R. Monhollon, Robert L. Freeman, Mike Duncan
Law Enforcement And Engineering Incident Management—A Necessary Partnership: Incident Management, Jerry L. Lentz, James H. (Mike) Molloy, Sam W. Lester, Pat Dugger, William R. Monhollon, Robert L. Freeman, Mike Duncan
Kentucky's Annual Forum on Transportation
No abstract provided.
Law Enforcement And Engineering Incident Management—A Necessary Partnership: Commercial Driver's Licensing Law, Jerry L. Lentz, O. B. Arnold, Mickey Goff, Tim Hazlett, Joe Breeze
Law Enforcement And Engineering Incident Management—A Necessary Partnership: Commercial Driver's Licensing Law, Jerry L. Lentz, O. B. Arnold, Mickey Goff, Tim Hazlett, Joe Breeze
Kentucky's Annual Forum on Transportation
No abstract provided.
Design And Construction Of Safe Roads And Streets: Opening Remarks, O. Gilbert Newman
Design And Construction Of Safe Roads And Streets: Opening Remarks, O. Gilbert Newman
Kentucky's Annual Forum on Transportation
No abstract provided.
Design—A Beginning Step, Glen Kelly
Design—A Beginning Step, Glen Kelly
Kentucky's Annual Forum on Transportation
No abstract provided.
Highway Design—A Risky Business, Daniel S. Turner
Highway Design—A Risky Business, Daniel S. Turner
Kentucky's Annual Forum on Transportation
No abstract provided.
Standards—If We Don't Set Them, Juries Will, David C. Oliver
Standards—If We Don't Set Them, Juries Will, David C. Oliver
Kentucky's Annual Forum on Transportation
No abstract provided.
Looking For Wizards, Gene W. Childress
Looking For Wizards, Gene W. Childress
Kentucky's Annual Forum on Transportation
No abstract provided.
Designing Safe Roads: Who's Responsible?, Daniel S. Turner
Designing Safe Roads: Who's Responsible?, Daniel S. Turner
Kentucky's Annual Forum on Transportation
No abstract provided.
Intelligent Vehicle Highway System, John A. Deacon
Intelligent Vehicle Highway System, John A. Deacon
Kentucky's Annual Forum on Transportation
No abstract provided.
Keynote Address [1989], B. J. Campbell
Keynote Address [1989], B. J. Campbell
Kentucky's Annual Forum on Transportation
No abstract provided.
Update On Earthquake Mitigation Study At Uk, Vincent P. Drnevich
Update On Earthquake Mitigation Study At Uk, Vincent P. Drnevich
Kentucky's Annual Forum on Transportation
No abstract provided.
Welcome And Remarks [1989], O. Gilbert Newman
Welcome And Remarks [1989], O. Gilbert Newman
Kentucky's Annual Forum on Transportation
No abstract provided.
Opening Remarks [1989], Calvin G. Grayson
Opening Remarks [1989], Calvin G. Grayson
Kentucky's Annual Forum on Transportation
No abstract provided.
Analysis Of Accident Data In Kentucky (1984-1988), Kenneth R. Agent, Jerry G. Pigman
Analysis Of Accident Data In Kentucky (1984-1988), Kenneth R. Agent, Jerry G. Pigman
Kentucky Transportation Center Research Report
Kentucky has a systematic procedure to identify locations that have abnormal rates or numbers of accidents. This procedure utilizes average accident rates and numbers. A primary objective of this study was to determine average accident statistics in Kentucky. An annual safety program for Kentucky, which includes the identification, programming, budgeting, and evaluation of safety projects, is prepared each year. The data presented in this report may be included as the problem identification portion of Kentucky's Annual Highway Safety Plan.
Average and critical accident rates were calculated by highway type for rural and urban highways. A summary of results and recommendations …