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Articles 34261 - 34290 of 40082

Full-Text Articles in Civil and Environmental Engineering

Transportation Finance In The Next Biennium, Merl M. Hackbart, James Ramsey, Michael R. Moloney, Joe Clarke Oct 1989

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. Oct 1989

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 Oct 1989

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 Oct 1989

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 Oct 1989

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 Oct 1989

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 Oct 1989

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 Oct 1989

Design—A Beginning Step, Glen Kelly

Kentucky's Annual Forum on Transportation

No abstract provided.


Highway Design—A Risky Business, Daniel S. Turner Oct 1989

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 Oct 1989

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 Oct 1989

Looking For Wizards, Gene W. Childress

Kentucky's Annual Forum on Transportation

No abstract provided.


Designing Safe Roads: Who's Responsible?, Daniel S. Turner Oct 1989

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 Oct 1989

Intelligent Vehicle Highway System, John A. Deacon

Kentucky's Annual Forum on Transportation

No abstract provided.


Keynote Address [1989], B. J. Campbell Oct 1989

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 Oct 1989

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 Oct 1989

Welcome And Remarks [1989], O. Gilbert Newman

Kentucky's Annual Forum on Transportation

No abstract provided.


Opening Remarks [1989], Calvin G. Grayson Oct 1989

Opening Remarks [1989], Calvin G. Grayson

Kentucky's Annual Forum on Transportation

No abstract provided.


Mountain Parkway Edge Drain Inspection (September 29-October 5, 1989), L. John Fleckenstein, David L. Allen Oct 1989

Mountain Parkway Edge Drain Inspection (September 29-October 5, 1989), L. John Fleckenstein, David L. Allen

Kentucky Transportation Center Research Report

On September 28, 1989, the Kentucky Transportation Cabinet requested the Kentucky Transportation Center (KTC) to investigate an apparent drainage problem on the Mountain Parkway. The area of concern was a rehabilitation project starting at Milepost 16 and ending at the Stanton exit (Milepost 22). The old PCC pavement was being broken and seated and then overlaid with approximately nine inches of asphaltic concrete. Longitudinal edge drains Advanedge and Contech Stripdrain 100 had been installed prior to the breaking and seating.


Pavement Base Evaluation Ky 55 Taylor County, R. Clark Graves Oct 1989

Pavement Base Evaluation Ky 55 Taylor County, R. Clark Graves

Kentucky Transportation Center Research Report

This report summarizes the findings of a field investigation of the aggregate underdrain system constructed on KY 55 in Taylor County. A detailed description of the construction of this project is presented in UKTRP Research Report 83-13 (Water Under Pavements).


Pesticide Movement And Water Management, Majid Ehteshami, Richard C. Peralta Oct 1989

Pesticide Movement And Water Management, Majid Ehteshami, Richard C. Peralta

Civil and Environmental Engineering Faculty Publications

Agricultural chemicals are essential components of agricultural production systems in the United states. Pesticides control weeds, insects, and have had an important role in increasing agricultural productivity in the last 50 years, despite diminishing crop land acreage. The benefits of chemicals use options in agriculture must be balanced against potential contamination of surface water and ground water resources. This study shows the effect of water management practices on pesticide movement and its potential pollution to ground water. It indicates that careful use of pesticides, water management practices and irrigation system design alternatives could cause a major reduction in ground water …


Performance Of Corrugated Polyethylene Entrance Pipe, Ronald D. Hughes Oct 1989

Performance Of Corrugated Polyethylene Entrance Pipe, Ronald D. Hughes

Kentucky Transportation Center Research Report

Observations noted during inspections of 57 entrance pipe installations are summarized. Inspections were conducted in 1986 and 1989. It is recommended that corrugated polyethylene pipe be permitted routinely as an alternate to other materials for entrance pipe.


Evaluation Of The Effects Of Asphalt Additives On Properties Of Class A Surface Mixtures, Kamyar C. Mahboub Oct 1989

Evaluation Of The Effects Of Asphalt Additives On Properties Of Class A Surface Mixtures, Kamyar C. Mahboub

Kentucky Transportation Center Research Report

Various modified asphalt mixture systems were selected for laboratory and field testing. These systems included the following asphalt mixtures: Class A mix, as the control mixture; Class N, which is a coarse mixture; polymerized Class A; polyester fiber; polypropylene fiber; and Vestoplast. Laboratory testing included: Marshall stability, resilient modulus, moisture susceptibility, tensile strength, and freeze-thaw. A field trial section was constructed for long-term performance monitoring.


Load Indicating Washers, Theodore Hopwood Ii, Edgar E. Courtney Oct 1989

Load Indicating Washers, Theodore Hopwood Ii, Edgar E. Courtney

Kentucky Transportation Center Research Report

Kentucky Transportation Center (KTC) personnel monitored the installation of load indicating washers (LIWs) on the US 60 bridge at Catlettsburg, KY during construction. On completion of the bridge, KTC personnel performed torque measurements on a number of LIW installations. LIWs previously installed on the Thirteenth Street Bridge over the Ohio River at Ashland, KY were also inspected.

The KTC construction inspections revealed no significant problems in installing LIWs. Workers were able to use them to determine proper bolt assembly installation. They also permitted inspectors to rapidly check for proper bolt tension. As with other bolt tensioning methods, LIWs had to …


Study Of Loads On Four Box Culverts On The Alexandria - Ashland Highway, Bobby W. Meade, David L. Allen Oct 1989

Study Of Loads On Four Box Culverts On The Alexandria - Ashland Highway, Bobby W. Meade, David L. Allen

Kentucky Transportation Center Research Report

Culverts on the Alexandria - Ashland Highway (AA Highway) were designed with modifications recommended in a 1984 report titled "Analysis of Loads and Settlements For Reinforced Concrete Culverts". In 1986, the Kentucky Department of Highways requested the Kentucky Transportation Center monitor selected culverts on the AA Highway. The objectives of this study were to compare predicted loads on the culverts to measured loads and to monitor differential settlement of the embankment near the culvert.

Four culverts with varied box dimensions and embankment heights were selected. Each of the four culverts was instrumented with earth pressure meters on the sidewalls and …


Analysis Of Accident Data In Kentucky (1984-1988), Kenneth R. Agent, Jerry G. Pigman Oct 1989

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 …


Breakaway Timber Utility Pole Installations In Kentucky, Ronald D. Hughes Oct 1989

Breakaway Timber Utility Pole Installations In Kentucky, Ronald D. Hughes

Kentucky Transportation Center Research Report

This report describes the installation of ten breakaway timber utility poles in Lexington, Kentucky. Installations were made by Kentucky Utilities Company personnel and monitoring has been performed by Kentucky Transportation Center investigators. Retrofit hardware is described and locations of modified poles are detailed.

Modified poles have not been struck by vehicles to date. Monitoring will continue until September 1991 at which time a final report will be issued.


Construction And Inspection Report On Corrugated Polyethylene Pipe, N-12, L. John Fleckenstein, David L. Allen Oct 1989

Construction And Inspection Report On Corrugated Polyethylene Pipe, N-12, L. John Fleckenstein, David L. Allen

Kentucky Transportation Center Research Report

Construction and performance evaluations of N-12 pipe. Construction procedures, and field observations are included.


Construction And Performance Evaluation Of Geocomposite Pavement Edge Drains Hydraway And Akwadrain, L. John Fleckenstein, David L. Allen Oct 1989

Construction And Performance Evaluation Of Geocomposite Pavement Edge Drains Hydraway And Akwadrain, L. John Fleckenstein, David L. Allen

Kentucky Transportation Center Research Report

Construction and performance evaluations of Hydraway and Akwadrain edge drains are presented. Construction procedures, laboratory tests, and discharge data, are included.


Irish Building Services News Oct 1989

Irish Building Services News

Building Services Engineering

No abstract provided.


Equation Of Interaction Diagrams For Prestressed Concrete Columns, Angamuthu Palaniappan Sep 1989

Equation Of Interaction Diagrams For Prestressed Concrete Columns, Angamuthu Palaniappan

Theses

A general analysis and design equation for prestressed concrete column is proposed. This equation represents the strength interaction diagrams of prestressed concrete columns under bending about one axis and combined with axial load. The equation proposed is a modification of the one developed by Dr. Hsu, C.T. Thomas for reinforced concrete columns published in the ACI structural journal in 1988. The analytical results were compared with the results of tests on 30 eccentrically loaded prestressed columns reported by H.R. Brown and A.S. Hall. The results were in good agreement with the static analysis and the above mentioned test reports. The …