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Articles 38821 - 38850 of 39811

Full-Text Articles in Civil and Environmental Engineering

Creep Characteristics Of Thin Prestressed Concrete Slabs, Wayne F. Alch Jan 1957

Creep Characteristics Of Thin Prestressed Concrete Slabs, Wayne F. Alch

Masters Theses

"Prestressed concrete as a structural material is finding wider usage in the United States today. Until recently, economic factors have precluded the use of prestressed concrete in this country, while Europe became the leader in discovering new uses and applications in construction for the material. As new methods are developed in this country, more engineers and contractors are discovering that prestressed concrete is, in many ways, far superior to plain or reinforced concrete. In line with this awakening the Missouri Highway Department is carrying on research to determine the feasibility of prestressed concrete for highway slabs. This study is a …


The Magnitude And Directions Of Strains And Stresses In Edge Loaded Concrete Slabs, William M. Baldwin Jan 1957

The Magnitude And Directions Of Strains And Stresses In Edge Loaded Concrete Slabs, William M. Baldwin

Masters Theses

"The concrete industry in the United States represents one of the fastest growing segments of the national economy. Many reasons for this may be given, among which are, the durability of concrete structures, the local availability of a large portion of the materials used in concrete, and its wide range of adaptability to the designs of engineers and architects.

One of the most recent changes in concrete usage is the change from reinforced concrete to prestressed concrete. The term prestressed as used herein refers to any type of reinforced concrete in which the reinforcing material has a stress prior to …


Physical Properties Of Concrete At Early Ages, Curtis E. Weddle Jr. Jan 1957

Physical Properties Of Concrete At Early Ages, Curtis E. Weddle Jr.

Masters Theses

"The introduction of the motor vehicle and the subsequent rapid expansion of the highway systems of the United States have brought with them many problems.

The Civil Engineer, in his attempts to provide adequate safe avenues of travel for the populace, has been faced with many problems. Handicapped by the need for speed in design and lack of information of the trends in motor vehicle design, the engineer has been forced at times to utilize design methods inconsistent with good engineering practices.

Of the many types of pavement sections which have been designed in an effort to provide structurally and …


Development Of Rating Curves For Concrete Rebound Hammer On Concrete Specimens From Local Aggregates, Rolla Smith Lush Jan 1957

Development Of Rating Curves For Concrete Rebound Hammer On Concrete Specimens From Local Aggregates, Rolla Smith Lush

Masters Theses

"Frequently engineers find it imperative to determine the compressive strength of concrete as it exists in a structure. There are two methods of making this determination, either by a destructive or a non-destructive test. The destructive test has the disadvantage of being costly, time consuming, and detrimental to the appearance of the concrete surface. The non-destructive, pulse-velocity, sonic measuring devices used to determine the compressive strength of concrete in the field also have the disadvantage of high cost due to the large initial cost of the equipment.

A relatively new non-destructive testing device has been developed which may replace the …


A Determination Of The Sonic Modulus Of Early Age Concrete, William Dale Nelson Jan 1957

A Determination Of The Sonic Modulus Of Early Age Concrete, William Dale Nelson

Masters Theses

"The problem which the writer is analyzing in this thesis was suggested by Professor E. W. Carlton of the Civil Engineering Department. It is a determination, by use of sonic testing equipment, of the growth in the sonic modulus of early age concrete.

Since 1938 when T. C. Powers published his paper, "Measuring Young's Modulus of Elasticity by Means of Sonic Vibrations", in the proceedings of the American Society of Testing Materials, Vol. 38, Part II, a great deal of work has been done on the applications of sonic testing of concrete. It began a new era in concrete testing, …


A Comparative Determination Of Weld Shearing Values In Welded Wire Reinforcement Fabric, Ernest Charles Kobs Jan 1957

A Comparative Determination Of Weld Shearing Values In Welded Wire Reinforcement Fabric, Ernest Charles Kobs

Masters Theses

"At the suggestion of Professor E. W. Carlton, Chairman, Civil Engineering Department, Missouri School of Mines and Metallurgy, the author selected as subject for research thesis, “A Comparative Determination of Weld Shear Values in Welded Wire Reinforcement Fabric”.

In 1948, the Wire Reinforcement Institute initiated a research program to measure the actual stresses, including weld shear stresses, that occur in Welded Wire Fabric when used as reinforcement in a concrete slab. A great majority of this research was under the supervision of Professor Carlton.

The results of these investigations indicated a wide variation in strength of welds. As a means …


The Strength Of Bituminous Mixtures And Their Behavior Under Repeated Loads, Part 2, Leonard E. Wood, William Harner Goetz Jan 1957

The Strength Of Bituminous Mixtures And Their Behavior Under Repeated Loads, Part 2, Leonard E. Wood, William Harner Goetz

JTRP Technical Reports

No abstract provided.


A Literature Survey On Soil Stabilization Lime-Flyash Admixtures : Informational Report, F. Kocataskin Jan 1957

A Literature Survey On Soil Stabilization Lime-Flyash Admixtures : Informational Report, F. Kocataskin

JTRP Technical Reports

No abstract provided.


Pumping Of Highway And Airfield Pavements: Technical Paper, Eldon J. Yoder Jan 1957

Pumping Of Highway And Airfield Pavements: Technical Paper, Eldon J. Yoder

JTRP Technical Reports

No abstract provided.


Power Augers And Earth Resistivity Units As Supplements To Drilling Machines, D. G. Shurig Jan 1957

Power Augers And Earth Resistivity Units As Supplements To Drilling Machines, D. G. Shurig

JTRP Technical Reports

No abstract provided.


Summary Report On State Highway Needs In Indiana, Donald O. Covault, Harold L. Michael, Arthur K. Branham Jan 1957

Summary Report On State Highway Needs In Indiana, Donald O. Covault, Harold L. Michael, Arthur K. Branham

JTRP Technical Reports

No abstract provided.


Selection And Retention Of Civil Engineer Employees : Technical Paper, Arthur K. Branham Jan 1957

Selection And Retention Of Civil Engineer Employees : Technical Paper, Arthur K. Branham

JTRP Technical Reports

No abstract provided.


Principles Of Soil Stabilization : Technical Report, Eldon J. Yoder Jan 1957

Principles Of Soil Stabilization : Technical Report, Eldon J. Yoder

JTRP Technical Reports

No abstract provided.


Progress Report No. 1 On The Uses Of Fly Ash In Highway Materials: Results Of Tests On Mortars And Concretes Containing A Mechanically Precipitated Fly Ash, F. Kocataskin, John Francis Mclaughlin Jan 1957

Progress Report No. 1 On The Uses Of Fly Ash In Highway Materials: Results Of Tests On Mortars And Concretes Containing A Mechanically Precipitated Fly Ash, F. Kocataskin, John Francis Mclaughlin

JTRP Technical Reports

No abstract provided.


The Federal Aid Highway Act Of 1956 -- Its Implications, Benefits And The Problem Of Highway Cost Allocation : Technical Paper, Arthur K. Branham Jan 1957

The Federal Aid Highway Act Of 1956 -- Its Implications, Benefits And The Problem Of Highway Cost Allocation : Technical Paper, Arthur K. Branham

JTRP Technical Reports

No abstract provided.


Indiana's Highway Needs Study : Technical Paper, Donald O. Covault Jan 1957

Indiana's Highway Needs Study : Technical Paper, Donald O. Covault

JTRP Technical Reports

No abstract provided.


Triaxial Testing Of Bituminous Mixtures At High Confining Pressures : Technical Paper, Joseph C. Oppenlander, William Harner Goetz Jan 1957

Triaxial Testing Of Bituminous Mixtures At High Confining Pressures : Technical Paper, Joseph C. Oppenlander, William Harner Goetz

JTRP Technical Reports

No abstract provided.


The Effect Of Base Course Gradation On The Results Of Laboratory Pumping Tests : Technical Paper, W. P. Chamberlin, Eldon J. Yoder Jan 1957

The Effect Of Base Course Gradation On The Results Of Laboratory Pumping Tests : Technical Paper, W. P. Chamberlin, Eldon J. Yoder

JTRP Technical Reports

No abstract provided.


Considerations Of Equipment, Methods And Standards Of Accuracy Applicable To Aerial Surveys For Different Purposes : Technical Paper, Robert Douglas Miles Jan 1957

Considerations Of Equipment, Methods And Standards Of Accuracy Applicable To Aerial Surveys For Different Purposes : Technical Paper, Robert Douglas Miles

JTRP Technical Reports

No abstract provided.


Highway Highlights Of 1956 And The Challenge Ahead : Technical Paper, Arthur K. Branham Jan 1957

Highway Highlights Of 1956 And The Challenge Ahead : Technical Paper, Arthur K. Branham

JTRP Technical Reports

No abstract provided.


Selection And Retention Of Civil Engineers, Arthur K. Branham Jan 1957

Selection And Retention Of Civil Engineers, Arthur K. Branham

JTRP Technical Reports

No abstract provided.


Lane Use Control On Urban Thoroughfares, Kevin A. Macnaughton Jan 1957

Lane Use Control On Urban Thoroughfares, Kevin A. Macnaughton

JTRP Technical Reports

No abstract provided.


Annual Report Of The Assistant Director, 1956-1957, Harold L. Michael Jan 1957

Annual Report Of The Assistant Director, 1956-1957, Harold L. Michael

JTRP Technical Reports

No abstract provided.


Correlation Of Accident Rates And Roadway Factors, John C. Woo Jan 1957

Correlation Of Accident Rates And Roadway Factors, John C. Woo

JTRP Technical Reports

No abstract provided.


Correlation Between Concrete Durability And Air-Void Characteristics : Technical Paper, Fulton Keller Fears Jan 1957

Correlation Between Concrete Durability And Air-Void Characteristics : Technical Paper, Fulton Keller Fears

JTRP Technical Reports

No abstract provided.


Application Of Pulse Velocity Tests To Several Laboratory Studies In Materials : Technical Report, Kenneth B. Woods, John Francis Mclaughlin Jan 1957

Application Of Pulse Velocity Tests To Several Laboratory Studies In Materials : Technical Report, Kenneth B. Woods, John Francis Mclaughlin

JTRP Technical Reports

No abstract provided.


Progress Report No. 3 On The Uses Of Fly Ash In Highway Materials: An Investigation Of The Use Of A Mechanically Precipitated Fly-Ash As A Filler For Bituminous Concrete, John Francis Mclaughlin, William Harner Goetz Jan 1957

Progress Report No. 3 On The Uses Of Fly Ash In Highway Materials: An Investigation Of The Use Of A Mechanically Precipitated Fly-Ash As A Filler For Bituminous Concrete, John Francis Mclaughlin, William Harner Goetz

JTRP Technical Reports

No abstract provided.


Highway Research And The Expanded Highway Construction Program : Technical Paper, Kenneth B. Woods Jan 1957

Highway Research And The Expanded Highway Construction Program : Technical Paper, Kenneth B. Woods

JTRP Technical Reports

No abstract provided.


Load Deformation Characteristics Of Bituminous Mixtures Under Various Conditions Of Loading : Technical Paper, William Harner Goetz, John Francis Mclaughlin, Leonard E. Wood Jan 1957

Load Deformation Characteristics Of Bituminous Mixtures Under Various Conditions Of Loading : Technical Paper, William Harner Goetz, John Francis Mclaughlin, Leonard E. Wood

JTRP Technical Reports

No abstract provided.


A Supplementary Legend At Four-Way Stop Intersections, Billy Kay Cooper Jan 1957

A Supplementary Legend At Four-Way Stop Intersections, Billy Kay Cooper

JTRP Technical Reports

No abstract provided.