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Articles 5731 - 5760 of 5910

Full-Text Articles in Engineering

Drainage And Structure — Maintenance, T. J. Hopgood Apr 1953

Drainage And Structure — Maintenance, T. J. Hopgood

Kentucky's Annual Forum on Transportation

No abstract provided.


Maintenance Of Road Surfaces, Shoulders, Ditches, And Right Of Way Areas, Dewey Sparks Apr 1953

Maintenance Of Road Surfaces, Shoulders, Ditches, And Right Of Way Areas, Dewey Sparks

Kentucky's Annual Forum on Transportation

No abstract provided.


The Alpha And Omega Of Highway Transportation, Ben F. Ostergren Apr 1953

The Alpha And Omega Of Highway Transportation, Ben F. Ostergren

Kentucky's Annual Forum on Transportation

No abstract provided.


Maintenance And Operation Of Equipment, W. A. Tincher Apr 1953

Maintenance And Operation Of Equipment, W. A. Tincher

Kentucky's Annual Forum on Transportation

No abstract provided.


The Advantages And Economy In The Use Of Calcium Chloride In The Maintenance Of Unpaved Roads, T. D. Williams Apr 1953

The Advantages And Economy In The Use Of Calcium Chloride In The Maintenance Of Unpaved Roads, T. D. Williams

Kentucky's Annual Forum on Transportation

No abstract provided.


Welcome And Greetings To County Officials, B. T. Moynahan Apr 1953

Welcome And Greetings To County Officials, B. T. Moynahan

Kentucky's Annual Forum on Transportation

No abstract provided.


Progressive Tendencies In Highway Taxing And Spending Policies, C. M. Nelson Apr 1953

Progressive Tendencies In Highway Taxing And Spending Policies, C. M. Nelson

Kentucky's Annual Forum on Transportation

No abstract provided.


Kentucky Highway Conference Program [1953], Kentucky Transportation Center Apr 1953

Kentucky Highway Conference Program [1953], Kentucky Transportation Center

Kentucky's Annual Forum on Transportation

No abstract provided.


Report No. 2 On A Test Road For The Evaluation Of Sandstone As An Aggregate In Plant-Mix Bituminous Pavements, Ellis G. Williams Apr 1953

Report No. 2 On A Test Road For The Evaluation Of Sandstone As An Aggregate In Plant-Mix Bituminous Pavements, Ellis G. Williams

Kentucky Transportation Center Research Report

This report which presents results from additional study of the Sandstone Test Road located on S.R. 30 in Magoffin and Breathitt Counties, is a supplement to Report No. 1 dated April, 1952. The project consisted of a laboratory investigation and construction of a 20-mile test road, with all the original work carried out over a period from early 1950 to November 1951.

Details concerning both laboratory and field work are contained in Report No. 1 and need not be discussed here. However, to keep the general objectives of the study clear, they are restated as follows:

  1. To develop comprehensive information …


Application Of Geology To Highway Engineering In Kentucky, L. E. Gregg, James H. Havens Feb 1953

Application Of Geology To Highway Engineering In Kentucky, L. E. Gregg, James H. Havens

Kentucky Transportation Center Research Report

Kentucky, too, is a state where geology abounds. Little credit for this, however, lies with the highway field, because such a prosaic subject is frequently overshadowed by such features as Mammoth Cave, Sky Bridge, Cumberland Falls, Pine Mountain, and extensive underground mineral deposits. Nevertheless; the influence of geology in the highway industry is growing, and it is obvious that some potential contributions have not yet been realized.


A Combination Waterbound Macadam And Dense-Graded Aggregate Base For Flexible Pavements, William B. Drake Jan 1953

A Combination Waterbound Macadam And Dense-Graded Aggregate Base For Flexible Pavements, William B. Drake

Kentucky Transportation Center Research Report

This paper is concerned with a flexible base designed primarily to improve the riding qualities of high-type bituminous pavements. Difficulties in control of grades and sections with modern methods of macadam base construction have emphasized needs for effective finishing procedures.

In the project described, an 8-in. base was built in two courses, the lower waterbound macadam being overlain by a densegraded aggregate material suitable for spreading and shaping with a power grader. The base was then surfaced with two courses of a hot bituminous plant mix.

Observations and measurements showed that the combination could be built satisfactorily; construction entailed more …


A Historical Study Of The Influence Of The Railroad Upon Ogden, Utah, 1868-1875, Alma W. Hansen Jan 1953

A Historical Study Of The Influence Of The Railroad Upon Ogden, Utah, 1868-1875, Alma W. Hansen

Theses and Dissertations

The general plan of this study is to sketch the beginning of Ogden settlement and the early history up to the beginnings of the influence of the coming of the railroad, then to follow in more detail the conditions and influences that developed as the railroad was built and the changes that followed the completion of the line.


A Bank Gravel Base Containing Calcium Chloride [Report No. 2], William B. Drake Dec 1952

A Bank Gravel Base Containing Calcium Chloride [Report No. 2], William B. Drake

Kentucky Transportation Center Research Report

Attached you will find our second progress report on "A Bank Gravel Base Containing Calcium Chloride," by W.B. Drake. This project pertains to that portion of the Paducah-Eddyville Road (U.S. 62) extending from Kentucky Dam to Kuttawa. You are quite familiar with the road having visited it in company with Mr. Bray on August 13, this year and I believe most of the members of the Research Committee are familiar with it. Discussions following presentation of Report No. 1 on the project at our meeting last April would have accomplished that, but the road is better known for the number …


A Compendium On Class I, Type C Mixes, Ellis G. Williams Dec 1952

A Compendium On Class I, Type C Mixes, Ellis G. Williams

Kentucky Transportation Center Research Report

Recently the Class I, Type C Surface Mix has been the subject of numerous discussions resulting from present paving operations on Muldraugh Hill (U.S. 31W and U.S. 60) south of Louisville, and from performance of pavements placed heretofore on some Louisville Streets. Apparently, past difficulties have created some doubt about the suitability of Type C surfaces in heavy traffic areas for which it was intended. Type C does not represent the ultimate in stable mixtures, but it should be entirely adequate for the purpose intended.


A Concrete Pavement Without Transverse Joints [Dec. 1952], William B. Drake Dec 1952

A Concrete Pavement Without Transverse Joints [Dec. 1952], William B. Drake

Kentucky Transportation Center Research Report

This project was last reported in January, 1951, or approximately two years ago. Three previous reports have been made. Report No. 2 was dated December, 1949, and Report No. 1 was made July, 1949. A memorandum report (for file only) covering the two 1951 inspections was made in February of 1952.

This road is a section of U.S. 31W in Simpson County designated as FI 239(4). It runs from Sta. 9-11 at the Tennessee State Line to Sta. 311-40 at the south city limit of Franklin (see layout plot). It consists of a 22-foot concrete pavement underlain by 1-1/2 inches …


The Performance Of Cold Mastic Joint-Sealing Compounds And Sawed Joints In Concrete Pavements, Dave H. Sawyer Dec 1952

The Performance Of Cold Mastic Joint-Sealing Compounds And Sawed Joints In Concrete Pavements, Dave H. Sawyer

Kentucky Transportation Center Research Report

Included in this report are observations and data on the performance of various types of crack and joint sealing materials applied to three separate concrete pavements. The factors which are considered pertinent in evaluating the respective conditions of the materials are: length of service, tightness of joint, adherence to the concrete pavement, and ductility. The three materials used on these projects were cold mastic, hot-poured asphalt rubber, and OA-2 cut back with MC-3.


A Survey Of Acidity In Drainage Waters And The Condition Of Highway Drainage Installations, James H. Havens Dec 1952

A Survey Of Acidity In Drainage Waters And The Condition Of Highway Drainage Installations, James H. Havens

Kentucky Transportation Center Research Report

During the summer of 1949, approximately one year after installation, serious corrosion failures were discovered in a series of galvanized metal entrance culverts on U.S. 60 south of Ashland near Princess. Because of a unique disparity in their performance at this location, the problem was referred to the Research Division for possible explanation. An impromptu investigation ensued, and the cause of the failure was attributed directly to acid drainage water flowing from extensive strip-mining operations within the immediate area. A report (1)* describing the attendant conditions was made to the Research Committee in December of that year.

As an outgrowth …


An Investigation Of Lean Concrete Mixes As Base Courses For Bituminous Surfaces [Dec. 1952], Dave H. Sawyer Dec 1952

An Investigation Of Lean Concrete Mixes As Base Courses For Bituminous Surfaces [Dec. 1952], Dave H. Sawyer

Kentucky Transportation Center Research Report

During the summer of 1950, the Kentucky Department of Highways placed a lean concrete mix for base construction and widening in Montgomery County. This project was a 4.415 mile section of U.S. 60 on the Winchester-Mt. Sterling Road, and was designed as SF 87-117. Four major revisions – three alignment and one grade – were completed on the project thus requiring full-width base replacement of sections of the old pavement with the lean concrete mix.


Evaluation Of Traffic Paint In 1952, A. C. Peed Jr. Dec 1952

Evaluation Of Traffic Paint In 1952, A. C. Peed Jr.

Kentucky Transportation Center Research Report

Following the program of in-service transverse stripe evaluation coupled with laboratory study of traffic paint samples submitted by various manufacturers who propose to bid on the Departments paint requirements, field stripes were placed August 19, 1952. For this test stripes were placed in the same general location as that used the two previous years (U.S. 27 south of Lexington at the junction of the concrete and bituminous pavements). Gradings contained herein were made December 27, 1952, and thus represent a somewhat premature five-month evaluation. However, the set of stripes placed in 1951 were scrutinized since they had sixteen months of …


A Limestone-Calcium Chloride Stabilized Base, William B. Drake Aug 1952

A Limestone-Calcium Chloride Stabilized Base, William B. Drake

Kentucky Transportation Center Research Report

This report is mainly concerned with the calcium-chloride stabilized portion of a combination base. A 4-inch course of waterbound macadam was placed over a 1-inch insulation course overlying an existing traffic-bound stone surface. The next 4 inches of base above, the water bound material consisted of two 2-inch layers of calcium-chloride stabilized limestone of a design not used heretofore by the Department.

Bituminous concrete binder and surface courses laid over the base brought the total mat thickness to more than 11 inches. The surface width was 30 feet, and the length of the project was 1.1 miles.

Although the road …


Head Determinations For Structures On U.S 23 That Are Affected By Raising The Normal Pool Elevation Of Ohio River Lock And Dam No. 30 At Greenup, Kentucky, Eugene M. West Jul 1952

Head Determinations For Structures On U.S 23 That Are Affected By Raising The Normal Pool Elevation Of Ohio River Lock And Dam No. 30 At Greenup, Kentucky, Eugene M. West

Kentucky Transportation Center Research Report

During a visit to this office on July 3, 1952, Mr. J.O. Cornell requested the assistance of the Hydraulics Section of the Research Laboratory in investigating the possible head to be expected on the drainage structures on U.S. 23, that would be influenced by the proposed raising of the normal pool elevation of Ohio River Lock and Dam No. 30 at Greenup, Kentucky.

In order to better evaluate the head to be expected, I have approached the problem from an analytical standpoint, outlining and comparing the results from three suggested methods. The results of the analysis of the three separate …


Corrosion Of Highway Structures By Acid-Bearing Drainage Water In Hopkins County, James H. Havens Jun 1952

Corrosion Of Highway Structures By Acid-Bearing Drainage Water In Hopkins County, James H. Havens

Kentucky Transportation Center Research Report

Pursuant to your conversation with Mr. Hopgood concerning the above matter, Mr. Peed and I contacted Mr. Charlie Rogers, Resident Engineer, Madisonville, and made an inspection of the locations in question. In specific connection with this, you will recall from our Progress Report No. 1 on "A Survey of Acidity in Drainage Waters and the Condition of Highway Drainage Installations" that the acid conditions in Hopkins County were rated as extremely severe, if not the most critical in the state. It was, in part, due to the prevailing severity there that led to the selection of a location at Mortons …


Proposed Special Specification For Reflectorizing Glass Spheres, James H. Havens May 1952

Proposed Special Specification For Reflectorizing Glass Spheres, James H. Havens

Kentucky Transportation Center Research Report

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 have one within the next year or two.

You will note the refractive index and size distribution or gradation are referred to in the specification, …


Field Trip To Daviess And Henderson Counties For Inspection Of Gravel-Bituminous Roads, Ellis G. Williams May 1952

Field Trip To Daviess And Henderson Counties For Inspection Of Gravel-Bituminous Roads, Ellis G. Williams

Kentucky Transportation Center Research Report

This series of inspections started April 28, with inspection of pavements containing gravel located in Daviess County. It was found that most pavements containing this aggregate has been resurfaced last year using a crushed limestone aggregate. There were, however, three hot-mix and one road-mix pavements remaining.


Experiences Of A Highway Commissioner, B. T. Moynahan Apr 1952

Experiences Of A Highway Commissioner, B. T. Moynahan

Kentucky's Annual Forum on Transportation

No abstract provided.


Design Of Highway Bridges Based On Frequency Of Heavy Vehicles, D. H. Overman Apr 1952

Design Of Highway Bridges Based On Frequency Of Heavy Vehicles, D. H. Overman

Kentucky's Annual Forum on Transportation

No abstract provided.


"Design And Construction Practices As Viewed By A Maintenance Engineer", R. L. Parker Apr 1952

"Design And Construction Practices As Viewed By A Maintenance Engineer", R. L. Parker

Kentucky's Annual Forum on Transportation

No abstract provided.


Contribution To Public Safety By Highway Maintenance And Traffic Control Operations, H. H. Sandusky Apr 1952

Contribution To Public Safety By Highway Maintenance And Traffic Control Operations, H. H. Sandusky

Kentucky's Annual Forum on Transportation

No abstract provided.


Employee Safety In The Use Of Men And Equipment On Highway Maintenance, Jack Carson Apr 1952

Employee Safety In The Use Of Men And Equipment On Highway Maintenance, Jack Carson

Kentucky's Annual Forum on Transportation

No abstract provided.


Planning Future County Road Systems, James T. Sabel Apr 1952

Planning Future County Road Systems, James T. Sabel

Kentucky's Annual Forum on Transportation

No abstract provided.