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Articles 38401 - 38430 of 39763

Full-Text Articles in Engineering

The Beneficiation Of Titaniferous-Magnetite Sands, Ronald Lloyd Nordwick May 1962

The Beneficiation Of Titaniferous-Magnetite Sands, Ronald Lloyd Nordwick

Bachelors Theses and Reports, 1928 - 1970

The purpose of this investigation of beneficiation methods is to develop and study possible economic methods for recovering an iron-titanium concentrate of sufficient purity to meet metallurgical requirements for subsequent direct reduction to pig iron and a high titanium slag.


Stress-Corrosion Cracking Of Brass, Paul A. Fossey May 1962

Stress-Corrosion Cracking Of Brass, Paul A. Fossey

Bachelors Theses and Reports, 1928 - 1970

the mechanism of stress-corrosion cracking of brass has been sought for many years. Investigators have proposed many mechanisms, but each of these mechanisms has always had several drawbacks. This paper presents an account of experimental work done in the laboratory on this subject and compares it to the work of previous investigations. It evaluates the mechanisms presented by investigators and shows the failures of these mechanisms. A theory of Nitrogen Embrittlement is presented and an evaluation of this theory with experimental work follows.


Experimental Arc Furnace Smelting Of Titaniferous Iron Sands From The Northern Oregon Coast, Allan P. Herring May 1962

Experimental Arc Furnace Smelting Of Titaniferous Iron Sands From The Northern Oregon Coast, Allan P. Herring

Bachelors Theses and Reports, 1928 - 1970

This investigation is an attempt to experimentally smelt titaniferous iron sands from the Northern Oregon Coast in a laboratory arc furnace.


The Effect Of Ph Upon Chelation Reactions In Montmorillonite Clays, Joseph Michael Keane May 1962

The Effect Of Ph Upon Chelation Reactions In Montmorillonite Clays, Joseph Michael Keane

Bachelors Theses and Reports, 1928 - 1970

The purpose of this thesis is to investigate several chelation reactions and determine the effect of variable pH upon these reactions.


An Investigation Of The Sintering Of Iron-Wire Compacts, George L. Vivian May 1962

An Investigation Of The Sintering Of Iron-Wire Compacts, George L. Vivian

Bachelors Theses and Reports, 1928 - 1970

A study of the sintering of iron has been made by observing the rate of bonding of iron wires wound on iron spools. The specimens were sintered at a constant temperature of 850c in vacuum furnaces capable of producing pressures of 10-5 to 10-4 mm of mercury, and the growth of the bond between wires was observed as a function of time.

It has been concluded that the volume-diffusion mechanism is strongly operating in the sintering of iron at 850c, but in an evacuated system, the evaporation-condensation mechanism also contributes to the sintering process.


Comments On: Aasho Interim Guide For The Design Of Rigid Pavement Structures (Aasho Committee On Design, February, 1962), James H. Havens, Ronald D. Hughes May 1962

Comments On: Aasho Interim Guide For The Design Of Rigid Pavement Structures (Aasho Committee On Design, February, 1962), James H. Havens, Ronald D. Hughes

Kentucky Transportation Center Research Report

We have reviewed the AASHO Interim Guide for the Design of Rigid Pavement Structures, and Messrs. Havens and Hughes of our staff have prepared comments on the guide. These comments do not deal entirely with the rigid pavement guide, but rather compare some of the design concepts from the Flexible Pavement Interim Guide.


The Application Of Nuclear Techniques To The Measurement Of Moisture And Density Of Highway Construction Materials, Robert C. Deen, J. D. Shackelford May 1962

The Application Of Nuclear Techniques To The Measurement Of Moisture And Density Of Highway Construction Materials, Robert C. Deen, J. D. Shackelford

Kentucky Transportation Center Research Report

In recent years much attention has been directed toward the application of neutron and gamma ray techniques to soil moisture and density measurements. This application of radiological measurements of these characteristics of materials of highway construction, of course, is of great interest to the highway industry since the performance of the total pavement system is highly dependent upon the condition of the embankment, subgrade, and base components of this system. An important measure of the state of condition of unconsolidated earth materials is their unit weights and moisture contents. The highway engineer undoubtedly would welcome any method or technique which …


Handbook Of Facts And Figures On Indiana County Roads—Including Directory Of Indiana County Highway Departments, Jean E. Hittle May 1962

Handbook Of Facts And Figures On Indiana County Roads—Including Directory Of Indiana County Highway Departments, Jean E. Hittle

Indiana Local Technical Assistance Program (LTAP) Publications

This handbook will assist county road officials in the planning of county road operations. The data and information included in this handbook are either statistical or public information which are already available from the official sources, but which needed to be brought together for convenient distribution and use.


The Irish Plumber And Heating Contractor, May 1962 (Complete Issue) May 1962

The Irish Plumber And Heating Contractor, May 1962 (Complete Issue)

Building Services Engineering

No abstract provided.


The Irish Plumber And Heating Contractor, April 1962 (Complete Issue) Apr 1962

The Irish Plumber And Heating Contractor, April 1962 (Complete Issue)

Building Services Engineering

No abstract provided.


Pavement Roughness Studies (A Progress Report), Rolands L. Rizenbergs Mar 1962

Pavement Roughness Studies (A Progress Report), Rolands L. Rizenbergs

Kentucky Transportation Center Research Report

Road roughness testing in Kentucky was first reported in 1949 (1). At that time, emphasis was placed on localized irregularities in pavement profiles detectable by a roller-type straight edge. The experience gained then pointed to the necessity for making a fast, continuous recording of characteristics of the road which would be more closely related to riding quality. Subsequent progress reports (2)(3) dealing with the development of triaxial acceleration as applied to the evaluation of pavement riding qualities emphasized riding comfort or discomfort. The accelerations monitored then were evaluated in terms of g's per seconds or "jerk", which is considered by …


Engineering Properties For Soil Series Mapped In Kentucky, Robert C. Deen Mar 1962

Engineering Properties For Soil Series Mapped In Kentucky, Robert C. Deen

Kentucky Transportation Center Research Report

Soil maps, and particularly engineering soil maps, are proving to be desirable in the planning and design stage of many types of structures and land developments. Problems associated with foundations, drainage and soil behavior may be recognized at a very early stage during the preliminary location and site selection through the use of adequate soil maps.


The Irish Plumber And Heating Contractor, March 1962 (Complete Issue) Mar 1962

The Irish Plumber And Heating Contractor, March 1962 (Complete Issue)

Building Services Engineering

No abstract provided.


Development In Nuclear Moisture Density Testing, R. C. Deen Feb 1962

Development In Nuclear Moisture Density Testing, R. C. Deen

Kentucky's Annual Forum on Transportation

No abstract provided.


Highway Legal Problems, William A. Lamkin Jr. Feb 1962

Highway Legal Problems, William A. Lamkin Jr.

Kentucky's Annual Forum on Transportation

No abstract provided.


Highway Materials Research Laboratory—1942-1962, D. V. Terrell Feb 1962

Highway Materials Research Laboratory—1942-1962, D. V. Terrell

Kentucky's Annual Forum on Transportation

No abstract provided.


The Need For Coordination Of Urban Improvement Programs, James Smith Feb 1962

The Need For Coordination Of Urban Improvement Programs, James Smith

Kentucky's Annual Forum on Transportation

No abstract provided.


Operating Problems On The Kentucky Interstate Highway System, K. B. Jones Feb 1962

Operating Problems On The Kentucky Interstate Highway System, K. B. Jones

Kentucky's Annual Forum on Transportation

No abstract provided.


Techniques Of Urban Transportation Studies, Robert Vogt Feb 1962

Techniques Of Urban Transportation Studies, Robert Vogt

Kentucky's Annual Forum on Transportation

No abstract provided.


Financing Streets: Summary And Possible Solutions, James W. Martin Feb 1962

Financing Streets: Summary And Possible Solutions, James W. Martin

Kentucky's Annual Forum on Transportation

No abstract provided.


Rural Highway Maintenance Policies And Procedures By Department Maintenance Force, L. E. Richardson Feb 1962

Rural Highway Maintenance Policies And Procedures By Department Maintenance Force, L. E. Richardson

Kentucky's Annual Forum on Transportation

No abstract provided.


Base Stabilization, Walter Spencer, James C. Johnson, C. M. Foard, P. F. Phelan, E. G. Robbins, R. S. Boynton, W. E. Dickinson, R. L. Greenman Feb 1962

Base Stabilization, Walter Spencer, James C. Johnson, C. M. Foard, P. F. Phelan, E. G. Robbins, R. S. Boynton, W. E. Dickinson, R. L. Greenman

Kentucky's Annual Forum on Transportation

No abstract provided.


Ultimate Strength Of Reinforced Concrete Beams In Combined Torsion And Bending, Fred Schuette Feb 1962

Ultimate Strength Of Reinforced Concrete Beams In Combined Torsion And Bending, Fred Schuette

Kentucky's Annual Forum on Transportation

No abstract provided.


Economic Possibilities Of High Strength Low Alloy Steel In Highway Bridges, S. P. Maggard Feb 1962

Economic Possibilities Of High Strength Low Alloy Steel In Highway Bridges, S. P. Maggard

Kentucky's Annual Forum on Transportation

No abstract provided.


Maintenance Of Calcium Chloride Treated Surfaces And Shoulders, W. S. G. Britton Feb 1962

Maintenance Of Calcium Chloride Treated Surfaces And Shoulders, W. S. G. Britton

Kentucky's Annual Forum on Transportation

No abstract provided.


The Properties Of Aggregate For Dense Graded Base Course Construction, J. E. Gray Feb 1962

The Properties Of Aggregate For Dense Graded Base Course Construction, J. E. Gray

Kentucky's Annual Forum on Transportation

No abstract provided.


Proper Procedures For Acquiring Right Of Way, C. W. Phillips Feb 1962

Proper Procedures For Acquiring Right Of Way, C. W. Phillips

Kentucky's Annual Forum on Transportation

No abstract provided.


A Peep At The Turnpike, J. J. Pollitte Feb 1962

A Peep At The Turnpike, J. J. Pollitte

Kentucky's Annual Forum on Transportation

No abstract provided.


Urban Transportation Planning, Garland E. Marple Feb 1962

Urban Transportation Planning, Garland E. Marple

Kentucky's Annual Forum on Transportation

No abstract provided.


Address [1962], Henry Ward Feb 1962

Address [1962], Henry Ward

Kentucky's Annual Forum on Transportation

No abstract provided.