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Articles 38761 - 38790 of 39813

Full-Text Articles in Civil and Environmental Engineering

Recommendations For Special Specifications, Covering Basic Lead Silico-Chromate, Oil-Alkyd, Vinyl-Alkyd Paints For Bridges, James H. Havens Jul 1958

Recommendations For Special Specifications, Covering Basic Lead Silico-Chromate, Oil-Alkyd, Vinyl-Alkyd Paints For Bridges, James H. Havens

Kentucky Transportation Center Research Report

This specification covers the material requirements for a Basic Lead Silico-Chromate, Oil-Alkyd Paint System intended for use on exterior iron and steel structures (bridges), for either new or re-paint work, except where exposed to severely corrosive conditions such as within the splash-zone from bridge decks or on other members likely to be affected by de-icing salts or persistent moisture conditions. This system shall consist of a primer-, intermediate-, and finish-coat paint as hereafter specified. Uses of the component paints other than as an integral part of this system are specifically excluded.


An Evaluation And Summary Of The 16-Year Performance Of A Concrete Test Pavement, Milton Evans Jr. Jun 1958

An Evaluation And Summary Of The 16-Year Performance Of A Concrete Test Pavement, Milton Evans Jr.

Kentucky Transportation Center Research Report

Presented herein are a summary and evaluation of the performance of a reinforced concrete section of U.S. 27 in north central Kentucky which has been in existence since the summer of 1941. The pavement, totaling 7.89 miles, was constructed in 10 experimental test sections, as shown on the layout map in Figure 1. Five blends of cement, containing normal portland, natural, and two additives, were used with two types of coarse aggregate, limestone and gravel. Since the construction of the pavement in the summer of 1941, several reports and memoranda have been released dealing with various aspects of the over-all …


Construction Of A Heavy Duty Military Airfield On Permafrost., Owen N. O'Leary May 1958

Construction Of A Heavy Duty Military Airfield On Permafrost., Owen N. O'Leary

Civil Engineering ETDs

An examination of the map of the northern hemisphere will show that the two great population areas of opposing ideologies are located across the arctic regions from each other. This fact has been recognized by the U.S. military authorities since the early 1940’s, and an effort has been made to locate military forces in these regions to act as a possible deterrent to any aggressive action. The nature and geography of this region generally preclude any military forces except combat airfield. The most outstanding and possible only example of a major military airfield located entirely on permafrost material in these …


A Study Of The Use Of A Local Fly Ash In Concrete Mixes, Frank D. Whitney Apr 1958

A Study Of The Use Of A Local Fly Ash In Concrete Mixes, Frank D. Whitney

Kentucky Transportation Center Research Report

The widespread use of powdered coal in industrial furnaces has, since its introduction in the 1930's, produced considerable increases in efficiency for many industrial processes. In its wake, however, it has brought its own unique problems, and chief among these has been the problem of collecting and disposing of the residue which results from the combustion of the powdered or ground coal. This residue, known commonly as fly ash, is a nuisance if it is allowed to be dispersed into the atmosphere; and if collected it presents a difficult disposal problem. In present industrial practice it is almost always collected, …


The Use Of The Electronic Computer In Kentucky's Highway Program, C. G. Grayson Mar 1958

The Use Of The Electronic Computer In Kentucky's Highway Program, C. G. Grayson

Kentucky's Annual Forum on Transportation

No abstract provided.


Policy And Procedure For Federal Reimbursement For Cost Of Right Of Way, C. W. Phillips Mar 1958

Policy And Procedure For Federal Reimbursement For Cost Of Right Of Way, C. W. Phillips

Kentucky's Annual Forum on Transportation

No abstract provided.


Highway And Traffic Developments In Great Britain, T. E. H. Williams Mar 1958

Highway And Traffic Developments In Great Britain, T. E. H. Williams

Kentucky's Annual Forum on Transportation

No abstract provided.


Public Relations In Highways, Harold L. Plummer Mar 1958

Public Relations In Highways, Harold L. Plummer

Kentucky's Annual Forum on Transportation

No abstract provided.


The Highway Industry's Potential—Its Relation To The Three Year Program, W. O. Snyder Mar 1958

The Highway Industry's Potential—Its Relation To The Three Year Program, W. O. Snyder

Kentucky's Annual Forum on Transportation

No abstract provided.


Kentucky's Three Year Highway Program, D. H. Bray Mar 1958

Kentucky's Three Year Highway Program, D. H. Bray

Kentucky's Annual Forum on Transportation

No abstract provided.


The Kentucky Urban Program, T. H. Cutler Mar 1958

The Kentucky Urban Program, T. H. Cutler

Kentucky's Annual Forum on Transportation

No abstract provided.


Flexible Pavement Design Evaluation, L. H. Strunk Mar 1958

Flexible Pavement Design Evaluation, L. H. Strunk

Kentucky's Annual Forum on Transportation

No abstract provided.


Kentucky's Use Of Aerial Photography In Highway Location And Design, James M. Cargian Mar 1958

Kentucky's Use Of Aerial Photography In Highway Location And Design, James M. Cargian

Kentucky's Annual Forum on Transportation

No abstract provided.


Electronic Computation In Bridge Design, L. R. Schureman Mar 1958

Electronic Computation In Bridge Design, L. R. Schureman

Kentucky's Annual Forum on Transportation

No abstract provided.


My First Year's Impression Of The Rural Highway County Aid Program, H. S. Hawes Mar 1958

My First Year's Impression Of The Rural Highway County Aid Program, H. S. Hawes

Kentucky's Annual Forum on Transportation

No abstract provided.


Use Of Chemicals For Controlling Highway Vegetation, J. R. Mccambridge Mar 1958

Use Of Chemicals For Controlling Highway Vegetation, J. R. Mccambridge

Kentucky's Annual Forum on Transportation

No abstract provided.


Programming Highway Construction, James W. Martin Mar 1958

Programming Highway Construction, James W. Martin

Kentucky's Annual Forum on Transportation

No abstract provided.


Kentucky Highway Conference Program [1958], Kentucky Transportation Center Mar 1958

Kentucky Highway Conference Program [1958], Kentucky Transportation Center

Kentucky's Annual Forum on Transportation

No abstract provided.


Test Project F. A. 366, C1 And C2, Harrison-Pendleton Counties: A Memorandum Report, Milton Evans Jr. Mar 1958

Test Project F. A. 366, C1 And C2, Harrison-Pendleton Counties: A Memorandum Report, Milton Evans Jr.

Kentucky Transportation Center Research Report

No abstract provided.


A Study Of Lime And Fly Ash With Regard To Soil Stabilization, James F. Hardymon Mar 1958

A Study Of Lime And Fly Ash With Regard To Soil Stabilization, James F. Hardymon

Kentucky Transportation Center Research Report

The paving of roadways originally developed from the inadequacy of natural soils to support vehicles and pedestrian traffic. Thus a pavement serves as a nearly rigid covering which distributes otherwise highly concentrated surface loads over wider areas of the underlying soils, Most natural soils are deficient for direct roadway service unless such a covering is provided or unless the soil itself is solidified, concreted, or otherwise reinforced, Attempts to compensate soils for these inadequacies in order to minimize the thickness of pavement needed have developed into a specialized aspect of highway design and construction known as soil stabilization.


Comparative Laboratory Evaluation And Field Observations Of A Modified Class I Base, Loren H. Strunk Feb 1958

Comparative Laboratory Evaluation And Field Observations Of A Modified Class I Base, Loren H. Strunk

Kentucky Transportation Center Research Report

A number of materials and methods have been used in the continuing search for a satisfactory initial bituminous treatment. Towards this end, three traffic bound roads were given initial treatment, in the summer of 1956, with three inches of Kentucky a Standard Class I Base mixture. The large size coarse aggregate -- either No. 36 or No. 48 stone -- in this mixture made the material difficult to work, however, and caused severe segregation during handling. Although a well integrated mixture of the type could have been compacted to about eight percent voids, the excessive segregation left many areas of …


Structural Analysis By Minimum Strain Energy Methods, John B. Heagler Jan 1958

Structural Analysis By Minimum Strain Energy Methods, John B. Heagler

Professional Degree Theses

"Analysis of structure has its conception for the engineer early in his formal education and follows a set sequency from solving for equilibrium in simple beams and free bodies to more complicated solutions for stresses and deflections in multiply redundant structures.

Difficulty arises for the engineer when he loses the sequence of the subject and finds himself memorizing formulas and methods of solution without a clear and concise understanding of the underlying fundamental principles involved in arriving at these formulae and methods of solution.

The Aircraft Structural Analyst finds himself in a relatively new field of engineering structural design. Here …


An Engineering Soil Survey Of Fayette County, Kentucky, Robert C. Deen Jan 1958

An Engineering Soil Survey Of Fayette County, Kentucky, Robert C. Deen

Kentucky Transportation Center Research Report

The need for soils data in the site selection, design, construction and maintenance of any major structure is generally appreciated by the engineer. The "rule of thumb" methods often used in developing smaller structures can prove unsatisfactory, or even disastrous, when applied to larger projects.


Spilitic Rocks And Mineral Deposits Jan 1958

Spilitic Rocks And Mineral Deposits

School of Mines and Metallurgy Bulletins

The principal results of research work on spilitic rocks and mineral deposits carried on since 1945 are briefly summarized. Emphasis is placed on the influence of the results on the theories of rock and ore genesis, particularly the change of "philosophy of exploration" based on the existence of hydromagmatic ore deposition. A re-classification of magmatic mineral deposits is offered.


Effect Of Concrete Shrinkage On Stresses In Reinforcing Steel, C. Raymond Nowacki Jan 1958

Effect Of Concrete Shrinkage On Stresses In Reinforcing Steel, C. Raymond Nowacki

Masters Theses

"Shrinkage is one of four phenomena that are considered as causing volume changes in concrete, the other three being creep, temperature change effects, and possible chemical disintegration. While all four are interrelated, the volume change due to loss of moisture is associated with the term shrinkage. Creep is the time-dependent change in volume resulting from external loads. A rise or fall of temperature will produce an expansion or contraction of concrete but also will affect the rate of shrinkage by increasing or decreasing the rate of moisture evaporation from the surface of the concrete.

In the design of concrete structures, …


Operational Characteristics Of A Small Sewage Oxidation Lagoon, Karlheinz C. Muhlbauer Jan 1958

Operational Characteristics Of A Small Sewage Oxidation Lagoon, Karlheinz C. Muhlbauer

Masters Theses

"With the rapidly increasing population in the United States the adequate disposal of sewage has become one of the major technical problems which the sanitary engineer has to solve. In most areas it is no longer acceptable practice to discharge domestic sewage or industrial waste products directly into streams or lakes because of the resulting pollution of the water, which may later be used for drinking or recreational purposes. Many larger cities have, therefore, adopted some method of sewage treatment which renders such wastes safe and unobjectionable before they are discharged into a lake or stream. Most of these methods …


Effect Of Hydrated Lime And Portland Cement On The Physical Properties Of Clay Soil For Highway Base Construction, Judson Leong Jan 1958

Effect Of Hydrated Lime And Portland Cement On The Physical Properties Of Clay Soil For Highway Base Construction, Judson Leong

Masters Theses

"The intent of this research is to determine the change in physical properties of a clay soil caused by the addition of 2, 4, 6, 8 and 10 percent of hydrated lime and portland cement. The effects of these admixtures on the physical properties of the soil were observed by comparing the results of various laboratory tests. The properties chosen for comparison were: (1) liquid limit, plastic limit and plasticity index; (2) shrinkage limit and shrinkage ratio; (3) density and optimum moisture; (4) resistance to penetration; (5) compressive strength and (6) cohesion and angle of internal friction. In order to …


A Study Of Highway Transportation In Indiana, Harold L. Michael, Arthur K. Branham, Donald O. Covault, John Edward Baerwald, Paul Day Cribbins Jan 1958

A Study Of Highway Transportation In Indiana, Harold L. Michael, Arthur K. Branham, Donald O. Covault, John Edward Baerwald, Paul Day Cribbins

JTRP Technical Reports

No abstract provided.


Quality Aggregates For Indiana Highways : Technical Paper, Kenneth B. Woods, John Francis Mclaughlin, Robert Lee Schuster Jan 1958

Quality Aggregates For Indiana Highways : Technical Paper, Kenneth B. Woods, John Francis Mclaughlin, Robert Lee Schuster

JTRP Technical Reports

No abstract provided.


The Relationship Between The Unconfined Compressive Strength Of A Bituminous Mixture And The Viscosity Of The Binder : Technical Paper, Leonard E. Wood, William Harner Goetz Jan 1958

The Relationship Between The Unconfined Compressive Strength Of A Bituminous Mixture And The Viscosity Of The Binder : Technical Paper, Leonard E. Wood, William Harner Goetz

JTRP Technical Reports

No abstract provided.