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Articles 2611 - 2640 of 2796

Full-Text Articles in Civil and Environmental Engineering

Proposed Revision For Specification For Reflex-Reflective Materials For Highway Signs, James H. Havens Aug 1954

Proposed Revision For Specification For Reflex-Reflective Materials For Highway Signs, James H. Havens

Kentucky Transportation Center Research Report

There are several pertinent factors and considerations that have a direct bearing on the requirements contained in the attached Recommended Special Specification No. 50-R, and it seems appropriate to record them here as reference material either in support of the specification or as information.


Pavement Investigation: Middletown-Eastwood Portion Of Us 60, Louisville-Shelbyville Road, William B. Drake Jun 1954

Pavement Investigation: Middletown-Eastwood Portion Of Us 60, Louisville-Shelbyville Road, William B. Drake

Kentucky Transportation Center Research Report

The attached report dealing with a "Pavement Investigation, Middletown-Eastwood Portion of US 60, Louisville-Shelbyville Road", is submitted in response to your directive of December 16, 1953. All of the field and laboratory work on the investigation was completed under Mr. Drake's supervision prior to his temporary transfer to the Division of Design on June 1, and during the past month he has been able to spend portions of his time toward completion of the report.


Evaluation Of Traffic Paints In 1953, James H. Havens Dec 1953

Evaluation Of Traffic Paints In 1953, James H. Havens

Kentucky Transportation Center Research Report

This report documents the performance data obtained by the Research Labratory in connection with field service tests and laboratory tests on traffic paint samples submitted by prospective suppliers for 1954. On the basis of these data and the adjudged performance of the samples offered, invitations to bid will be issued to any or all suppliers offering worthy materials. (See Division of Purchases's Memorandum of January 7, 1953 in Appendix) Winning bidders should be bound by oath to supply the same formulation of materials as furnished in the qualifying samples, and they should be further bound by such tests and analyses …


Report No. 1 On A Water-Bound, Dense-Graded Aggregate Base, Ellis G. Williams Dec 1953

Report No. 1 On A Water-Bound, Dense-Graded Aggregate Base, Ellis G. Williams

Kentucky Transportation Center Research Report

Favorable experience with dense-graded bases containing calcium chloride created interest in similar mixtures containing only water as a bonding agent. As a result of this interest, a project for base and surface construction was set up on the Phil-Pine Grove Road in Casey County to permit study of this method of base construction. The work was carried out during the period of August to October, 1953.

The pavement, which is 11.62 mi. long, was constructed by contract. It had 2 in. of traffic-bound base (creek gravel) and appeared to be in rather uniform condition with few obviously weak areas. Courses …


Report No. 1 On Vibratory Compaction Of Macadam Base, Ellis G. Williams Dec 1953

Report No. 1 On Vibratory Compaction Of Macadam Base, Ellis G. Williams

Kentucky Transportation Center Research Report

No abstract provided.


Traffic Paint Service Tests For 1954, Kentucky Highway Materials Research Laboratory Dec 1953

Traffic Paint Service Tests For 1954, Kentucky Highway Materials Research Laboratory

Kentucky Transportation Center Research Report

This report documents the performance data obtained by the Research Laboratory in connection with field service tests and laboratory tests on traffic paint samples submitted by prospective suppliers for 1954. On the basis of these data and the adjudged performance of the samples offered, invitations to bid will be issued to any or all suppliers offering worthy materials. (See Division of Purchases's Memorandum of January 7, 1953 in Appendix) Winning bidders should be bound by oath to supply the same formulation of materials as furnished in the qualifying samples, and they should be further bound by such tests and analyses …


Welded Highway Bridges, James G. Clark Apr 1953

Welded Highway Bridges, James G. Clark

Kentucky's Annual Forum on Transportation

No abstract provided.


Highway Drainage, Eugene M. West Apr 1953

Highway Drainage, Eugene M. West

Kentucky's Annual Forum on Transportation

No abstract provided.


Commercial And Private Entrances, Robert M. Wray Apr 1953

Commercial And Private Entrances, Robert M. Wray

Kentucky's Annual Forum on Transportation

No abstract provided.


Seventeen Years Of Rural Highway Aid, What It Has Meant To The Counties And Suggestions For Improvement Of Programs, Richard Thompson Apr 1953

Seventeen Years Of Rural Highway Aid, What It Has Meant To The Counties And Suggestions For Improvement Of Programs, Richard Thompson

Kentucky's Annual Forum on Transportation

No abstract provided.


Suitable Steels For Welded Bridges And Buildings, W. P. Gerhart, S. A. Greenberg Apr 1953

Suitable Steels For Welded Bridges And Buildings, W. P. Gerhart, S. A. Greenberg

Kentucky's Annual Forum on Transportation

No abstract provided.


Highways In Civil Defense, R. E. Bagby Apr 1953

Highways In Civil Defense, R. E. Bagby

Kentucky's Annual Forum on Transportation

No abstract provided.


Why Urban Expressways, T. H. Cutler Apr 1953

Why Urban Expressways, T. H. Cutler

Kentucky's Annual Forum on Transportation

No abstract provided.


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 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.