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Articles 37891 - 37920 of 39822

Full-Text Articles in Civil and Environmental Engineering

The Influence Of Silt On The Compressibility Of An Illitic Clay, James Inman Spencer Jan 1968

The Influence Of Silt On The Compressibility Of An Illitic Clay, James Inman Spencer

Masters Theses

"This study was undertaken to investigate the effect of varying amounts of clay (illite) on the compressibility of a silt as it may be found in nature in a normally consolidated deposition. Laboratory procedure was designed to minimize sample disturbance so as to obtain, as nearly as possible, a virgin consolidation curve. By varying the amounts of silt and clay in a given sample, and sedimenting the sample from a soil-water suspension, consolidation test analyses were used for a comparison of the various samples. Results revealed that between sample mixtures of 40 and 60 percent silt there was a relatively …


A Comparison Of Proportional And Nonproportional Damping In Multistory Shear Buildings, Edwin C. Bailey Jan 1968

A Comparison Of Proportional And Nonproportional Damping In Multistory Shear Buildings, Edwin C. Bailey

Masters Theses

"The purpose of this study was to determine whether proportional damping could be used to satisfactorily simulate the more practical nonproportional damping condition in multistory shear buildings. To accomplish this one computer program was written to analyze proportionally damped systems and another to analyze nonproportionally damped systems, each giving as output the frequencies, mode shapes, displacements, shears and moments and the maximum shears and moments. Shear buildings of two, three and four stories were studied in which the damping coefficients were varied from one to ten percent of critical damping. Although the programs could handle various other types, only linearly …


Thixotropic Effects In A Clay-Water System, John Arthur Mathes Jan 1968

Thixotropic Effects In A Clay-Water System, John Arthur Mathes

Masters Theses

"Fundamental aspects of thixotropic phenomena are described, and previous investigations of thixotropic behavior in soil systems are summarized. The complex nature of the thixotropic phenomena as well as its general occurrence in fine grained soils is described. As existing hypothesis for thixotropic behavior based on initial non-equilibrium conditions is examined. Experimental results, as determined from a testing program on the Putnam clay, verify this hypothesis. The rate and magnitude of thixotropic strength increases of the Putnam clay were determined. Shear strength determinations were made by the unconfined compression and laboratory vane shear tests. The results of the tests were compared …


Economic Model For The Maintenance Of Traffic Signals: Technical Paper, Thorold G. Smith, Joseph C. Oppenlander Jan 1968

Economic Model For The Maintenance Of Traffic Signals: Technical Paper, Thorold G. Smith, Joseph C. Oppenlander

JTRP Technical Reports

No abstract provided.


Effects Of Herbicide Combinations For Broad Spectrum Weed Control In Ornamental Plantings : Progress Report, Ronald L. Spangler Jan 1968

Effects Of Herbicide Combinations For Broad Spectrum Weed Control In Ornamental Plantings : Progress Report, Ronald L. Spangler

JTRP Technical Reports

No abstract provided.


Investigations Into Automatic Interpretations Of Terrain Features : Technical Paper, Harold Teddy Rib, Robert Douglas Miles Jan 1968

Investigations Into Automatic Interpretations Of Terrain Features : Technical Paper, Harold Teddy Rib, Robert Douglas Miles

JTRP Technical Reports

No abstract provided.


The Effect Of Concrete Strength On The Shear Strength Of Reinforced Concrete Beams With Bar Cutoff, J. Greg Borchelt Jan 1968

The Effect Of Concrete Strength On The Shear Strength Of Reinforced Concrete Beams With Bar Cutoff, J. Greg Borchelt

JTRP Technical Reports

No abstract provided.


Pore Studies Of Carbonate Aggregates By An Evaporation Technique : Informational Report, Harold Reid Brown Jan 1968

Pore Studies Of Carbonate Aggregates By An Evaporation Technique : Informational Report, Harold Reid Brown

JTRP Technical Reports

No abstract provided.


Evaluation Of The Performance Of Ultrasonic Equipment For Pavement Thickness Measurements : Progress Report, Charles F. Scholer, Raymond Doran Pavlovich Jan 1968

Evaluation Of The Performance Of Ultrasonic Equipment For Pavement Thickness Measurements : Progress Report, Charles F. Scholer, Raymond Doran Pavlovich

JTRP Technical Reports

No abstract provided.


The Response Of Bituminous Mixtures To Dynamic And Static Loads Using Transfer Functions, S. A. Swami Jan 1968

The Response Of Bituminous Mixtures To Dynamic And Static Loads Using Transfer Functions, S. A. Swami

JTRP Technical Reports

No abstract provided.


Analysis And Synthesis Of Highway Pavement Design, Thomas R. Buick Jan 1968

Analysis And Synthesis Of Highway Pavement Design, Thomas R. Buick

JTRP Technical Reports

No abstract provided.


An Evaluation Of The Aesthetics Of Junkyard Screening And Billboards Densities : Technical Paper, C. I. Macgillivray, Harold L. Michael Jan 1968

An Evaluation Of The Aesthetics Of Junkyard Screening And Billboards Densities : Technical Paper, C. I. Macgillivray, Harold L. Michael

JTRP Technical Reports

No abstract provided.


Feasibility Of Cold Weather Earthwork : Technical Paper, C. W. Lovell, Alfred M. Osborne Jan 1968

Feasibility Of Cold Weather Earthwork : Technical Paper, C. W. Lovell, Alfred M. Osborne

JTRP Technical Reports

No abstract provided.


Fortran Iv Programs To Develop Contour Maps Of 3-Dimensional Data : Progress Report, A. Keith Turner Jan 1968

Fortran Iv Programs To Develop Contour Maps Of 3-Dimensional Data : Progress Report, A. Keith Turner

JTRP Technical Reports

No abstract provided.


Multisensor Analysis For Soils Mapping : Technical Paper, Harold Teddy Rib, Robert Douglas Miles Jan 1968

Multisensor Analysis For Soils Mapping : Technical Paper, Harold Teddy Rib, Robert Douglas Miles

JTRP Technical Reports

No abstract provided.


The Impact After Seven Years Of A Highway Improvement In A Small City : Progress Report, Edward R. Fleischman Jan 1968

The Impact After Seven Years Of A Highway Improvement In A Small City : Progress Report, Edward R. Fleischman

JTRP Technical Reports

No abstract provided.


Small Scale Reinforced Concrete Models, Robert C. Vansiclen Jan 1968

Small Scale Reinforced Concrete Models, Robert C. Vansiclen

JTRP Technical Reports

No abstract provided.


An Informational Manual On The Urban Transportation Planning Process For Technical Committees In Smaller Urban Areas : Progress Report, Ronald Jerome Hensen, William Louise Grecco Jan 1968

An Informational Manual On The Urban Transportation Planning Process For Technical Committees In Smaller Urban Areas : Progress Report, Ronald Jerome Hensen, William Louise Grecco

JTRP Technical Reports

No abstract provided.


The Influence Of Lightweight Fines Substituted For Conventional Fines On Freeze-Thaw Durability Of Portland Cement Concrete, David Lee Gress Jan 1968

The Influence Of Lightweight Fines Substituted For Conventional Fines On Freeze-Thaw Durability Of Portland Cement Concrete, David Lee Gress

JTRP Technical Reports

No abstract provided.


Research On Roadside Development And Maintenance : Part 1 - Bluegrass Research : Progress Report, William Hugh Daniel, Terrance P. Riordan Jan 1968

Research On Roadside Development And Maintenance : Part 1 - Bluegrass Research : Progress Report, William Hugh Daniel, Terrance P. Riordan

JTRP Technical Reports

No abstract provided.


Behavior Of Reinforced Concrete Deep Slabs Subjected To A Uniform Load., Golden E. Lane Jr. Jan 1968

Behavior Of Reinforced Concrete Deep Slabs Subjected To A Uniform Load., Golden E. Lane Jr.

Civil Engineering ETDs

Within the last ten years a considerable amount of research has been conducted to determine the behavior of reinforced concrete deep

structures. The major portion of this recent research has been devoted to deep beams. The results have shown a marked difference in the behavior of deep beams as compared to beams of “normal” proportions. In

this context the word "deep" implies a small span-to-depth ratio. There is not a clear-cut distinction between a "normal-depth" and a deep struc­ture; however, span-to-depth ratios less than ten would suggest deep structures. The difference in behavior between deep beams and normal depth beams …


1968 Handbook Of Facts And Figures On Indiana County Roads—Including Directory Of County Highway Departments, Jean E. Hittle Jan 1968

1968 Handbook Of Facts And Figures On Indiana County Roads—Including Directory Of 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.


Urban Geology—A Need And A Challenge, William J. Wayne Jan 1968

Urban Geology—A Need And A Challenge, William J. Wayne

Department of Earth and Atmospheric Sciences: Faculty Publications

Urban land uses are rapidly converting open land into intensively used land. Generally, in planning those uses, a comprehensive study has included everything except an evaluation of the land in three dimensions. Geologists are eminently well equipped to supply the missing data, but they must also be aware of the needs of the urban community and the kinds of information needed by planners if they are to write reports usable by planners. Urban and environmental geology is a newly expanding field in the use of geologic data to help solve some urban problems in the planning stage. It is likely …


The Pore Size Distribution Of Portland Cement Paste, Douglas Windslow Jan 1968

The Pore Size Distribution Of Portland Cement Paste, Douglas Windslow

JTRP Technical Reports

No abstract provided.


Recreation Aspects Of The Lower Missouri River Jan 1968

Recreation Aspects Of The Lower Missouri River

United States Army Corps of Engineers, Omaha District

The Missouri, longest of America's great rivers, played an important and vital role in the westward expansion of the United States. For years it was the chief form of transportation connecting the populous cities of the east with the vast resources of the west. Generations of Americans have been thrilled by the many stories and adventures relating to it.

This is the river that for almost a century was a principal highway for the biggest adventure in North America -- the development of the west. It served in turn the explorer, the fur trader, the homesteader, and developed the rough …


Fracture Of Hardened Cement Paste, Steven John Hanna Jan 1968

Fracture Of Hardened Cement Paste, Steven John Hanna

JTRP Technical Reports

No abstract provided.


A Simplified Procedure For Major Thoroughfares Planning In Small Urban Areas : Progress Report, David Kent French Jan 1968

A Simplified Procedure For Major Thoroughfares Planning In Small Urban Areas : Progress Report, David Kent French

JTRP Technical Reports

No abstract provided.


Programming For Rural Road Improvements, J. P. Hunter Nov 1967

Programming For Rural Road Improvements, J. P. Hunter

Kentucky's Annual Forum on Transportation

No abstract provided.


Kentucky Manual Of Uniform Traffic Control Devices, K. B. Johns Nov 1967

Kentucky Manual Of Uniform Traffic Control Devices, K. B. Johns

Kentucky's Annual Forum on Transportation

No abstract provided.


Emphasis On Finished Appearance - A Professional Responsibility, Guy F. Vansant Jr. Nov 1967

Emphasis On Finished Appearance - A Professional Responsibility, Guy F. Vansant Jr.

Kentucky's Annual Forum on Transportation

No abstract provided.