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Articles 1 - 30 of 46
Full-Text Articles in Entire DC Network
The Irish Plumbing And Heating Engineer, June 1969 (Complete Issue)
The Irish Plumbing And Heating Engineer, June 1969 (Complete Issue)
Building Services Engineering
No abstract provided.
Formulation Of A Mathematical Model For The Allocation Of Colorado River Waters In Utah, Rick L. Gold
Formulation Of A Mathematical Model For The Allocation Of Colorado River Waters In Utah, Rick L. Gold
All Graduate Plan B and other Reports, Spring 1920 to Spring 2023
This report is linked with the work done in fulfillment of the first objective of a research project now underway at the Utah Water Research Laboratory. The project, entitled "Application of Operations Research Techniques for Allocation of Colorado River Waters in Utah," is a matching fund grant by The Office of Water Resources Research of the United States Department of the Interior. The project has the following objectives: (1) formulate the mathematical model of that part of the state that can receive Colorado River water, (2) optimize the allocation model under different demand levels and study the economic effects of …
A Study Of Precipitation Characteristics For Utah, Tsing-Yuan Chang
A Study Of Precipitation Characteristics For Utah, Tsing-Yuan Chang
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Data on monthly precipitation for three areas of Southern Utah--Beaver, Cedar City and Ephraim--and three areas of Northern Utah--Salt Lake City, Ogden and Logan--where a series of measuring stations were arranged as traverses from the valleys to the mountain tops; were assembled and analyzed.
The relationships between elevation and precipitation amounts were shown. The Southern Utah stations were drier at the same elevations than the Northern Utah stations and the differences became greater as the elevations increased. There was a close correlation between the high elevation and low elevation stations in the same traverse even with the above divergence.
A …
The Irish Plumbing And Heating Engineer, May 1969 (Complete Issue)
The Irish Plumbing And Heating Engineer, May 1969 (Complete Issue)
Building Services Engineering
No abstract provided.
The Irish Plumbing And Heating Engineer, March 1969 (Complete Issue)
The Irish Plumbing And Heating Engineer, March 1969 (Complete Issue)
Building Services Engineering
No abstract provided.
The Irish Plumbing And Heating Engineer, April 1969 (Complete Issue)
The Irish Plumbing And Heating Engineer, April 1969 (Complete Issue)
Building Services Engineering
No abstract provided.
The Irish Plumbing And Heating Engineer, February 1969 (Complete Issue)
The Irish Plumbing And Heating Engineer, February 1969 (Complete Issue)
Building Services Engineering
No abstract provided.
A Study Of A Lead Mining Waste Water Pollution Problem, William Earl Anderson Jr.
A Study Of A Lead Mining Waste Water Pollution Problem, William Earl Anderson Jr.
Masters Theses
"The waste water from the Fletcher Mine of the St. Joseph Lead Company was producing large algal growths in Bee Fork Creek. A field and laboratory study was conducted to determine the characteristics of the waste, find a method of determining the pollutional materials contained in the waste, study the undesirable algal growths, and develop and evaluate a practical, inexpensive, and effective pollution abatement method. Laboratory studies included analytical analysis of the waste, flotation reagent analysis, a microscopic study of the algal growths, algal growth studies, and heavy metal analysis of the algal growths. Field work comprised: a study of …
Some Effects Of Lead-Zinc Mining Wastewater On A Stream Environment, Anthony Ralph De Alonso Handler
Some Effects Of Lead-Zinc Mining Wastewater On A Stream Environment, Anthony Ralph De Alonso Handler
Masters Theses
"The continuous discharge of lead-zinc mine and mill wastewater into some streams in southeastern Missouri may alter the ecology of those streams. A field and laboratory study was conducted to evaluate the potential pollution problem. Bee Fork Creek, the first stream in that area to receive tailings from mining operations, was selected for this study and periodically surveyed. Laboratory tests included static bioassays of lead, zinc, and copper, and the mode of action of the metals was investigated through post-mortem examination of the experimental fish. The test animals used in the bioassays were bluegill sunfish (Lepomis macrochirus, Rafinesque). The heavy …
The Effect Of Structure On The Consolidation Of Compacted Unsaturated Clay Soils, William Joseph Graham
The Effect Of Structure On The Consolidation Of Compacted Unsaturated Clay Soils, William Joseph Graham
Masters Theses
"Contained in this paper are the results of research which was performed to investigate the relation between the volume-change mechanisms of shrinkage and one-dimensional compression for two clay soils, including some samples whose structures had been altered by the addition of flocculating and dispersing agents. Shrinkage tests were conducted with a special mold designed to facilitate the study of a soil's shrinkage path. consolidation tests on undisturbed samples and one-dimensional compression tests on unsaturated samples compacted in the vicinity of optimum moisture content were performed. A detailed study was made of a highly plastic red Missouri clay. Complications arose in …
Some Aspects Of Aerated Open-Channel Flow At Shallow Depths And Low Velocities, D. L. Fread
Some Aspects Of Aerated Open-Channel Flow At Shallow Depths And Low Velocities, D. L. Fread
Masters Theses
"This study is concerned with the effect of entrained air bubbles on the open-channel hydraulics of water flowing at low velocities. The air bubbles are introduced into the flowing water by injecting diffused compressed air along the channel bottom. The variations of the velocity profile and velocity distribution energy coefficient of aerated and nonaerated flow are discussed. Empirical equations have been determined for the air concentration and increased depth of flow or "bulking" of the aerated open-channel flow. The investigation revealed a significant increase in the Manning roughness coefficient and the related Darcy friction factor for aerated flow relative to …
A Study Of Different Types Of Connections To Structural-Steel Square Tubings, Chao-Sheng Chen
A Study Of Different Types Of Connections To Structural-Steel Square Tubings, Chao-Sheng Chen
Masters Theses
"Although square tubular element has long been recognized as an ideal structural member, its acceptance was limited by the lack of detailed knowledge on suitable connections related to this geometric shape. It is structurally inefficient to use a strong column poorly connected to a strong beam. So it is necessary to understand, in advance of adoption, the effect and behavior of different types of connections and to develop an efficient structural system. In this study, the ordinary column-to-beam framing with different types of connections has been investigated. The three types of connections are single-plate connection, double-angle connection, and multi-angle connection. …
A Study On Load Transfer Of Model Friction Piles, Richard Milton Franke
A Study On Load Transfer Of Model Friction Piles, Richard Milton Franke
Masters Theses
"Previous investigations concerned with disturbance of soft clay by driving displacement piles are summarized. The initiation of excess pore water pressures due to pile driving, and mechanisms of load transfer are also described, along with the applicapability of model pile testing in analysis of the various phenomena. Load tests were conducted on assorted sizes of model friction piles embedded in sedimented soil samples with consisted of a silt and clay mixture. Pilot holes of various diameters were cut in the samples. A theoretical load distribution curve was used to calculate the load transferred to the soil as a function of …
Plastic Analysis Of Beam - Columns, Ning-Cheng Tsao
Plastic Analysis Of Beam - Columns, Ning-Cheng Tsao
Masters Theses
"The results of an analytical study of the inelastic deformation of a wide-flange steel beam-column are presented. Emphasis has been placed on the influence of axial thrust on the pinned-end beam-column subjected to equal end moments with opposite direction. For this type of beam-column behavior, the relationship between the applied moment, axial load, and resultant curvature for the region in the plastic range has been studied in this investigation"--Abstract, page ii.
The Influence Of Several Factors On The Rate Of Secondary Compression Of Soil, William Joel Green
The Influence Of Several Factors On The Rate Of Secondary Compression Of Soil, William Joel Green
Masters Theses
"This research program has been undertaken to study the influence of load increment ratio, temperature, and sample thickness on Cα (rate of secondary consolidation) for a high organic content and low organic content soil. Consolidation equipment was designed to produce constant temperatures both above and below ambient, and to accommodate both 3/4 and 1 1/2 inch thick samples. Samples were molded into oedometer rings at the liquid limit. It was found that Cα was independent of the sample thickness and load increment ratio for both the high organic and low organic soils. The influence of temperature on Cα was found …
Multispectral Data Interpretation For Engineering Soils Mapping : Technical Paper, Marc Giles Tanguay
Multispectral Data Interpretation For Engineering Soils Mapping : Technical Paper, Marc Giles Tanguay
JTRP Technical Reports
No abstract provided.
The Influence Of Organic Matter On Shear Strength Of A Cohesive Soil, Kamran Rezvan
The Influence Of Organic Matter On Shear Strength Of A Cohesive Soil, Kamran Rezvan
Masters Theses
"The shearing properties of an organic A̲ horizon of Bryce clay were studied and compared with the properties of the same soil treated with hydrogen peroxide. The treatment was to remove the organic matter and isolate it as a variable. Tests were performed on artificially sedimented samples of the untreated, 75 percent untreated, 50 percent untreated, 25 percent untreated, and the treated soil. The effective stress failure envelopes were found to be higher for the untreated soil than that of the treated. The elastic deformation, however, was larger for the untreated samples. The pore water pressure development due to shearing …
The Irish Plumbing And Heating Engineer, January 1969 (Complete Issue)
The Irish Plumbing And Heating Engineer, January 1969 (Complete Issue)
Building Services Engineering
No abstract provided.
Tests Of Prestressed Concrete Beam Splices, Martin J. Gutzwiller, Robert H. Lee
Tests Of Prestressed Concrete Beam Splices, Martin J. Gutzwiller, Robert H. Lee
JTRP Technical Reports
No abstract provided.
Use Of Precast, Prestressed Concrete For Bridge Decks : Progress Report, James H. Ford
Use Of Precast, Prestressed Concrete For Bridge Decks : Progress Report, James H. Ford
JTRP Technical Reports
No abstract provided.
Financing The Highway Needs Of Indiana, Harold L. Michael, James A. Metcalfe
Financing The Highway Needs Of Indiana, Harold L. Michael, James A. Metcalfe
JTRP Technical Reports
No abstract provided.
The Application Of Time-Lapse Photography In Work Simplification Studies Of Construction Operations, Jimmy Alan Jacobson
The Application Of Time-Lapse Photography In Work Simplification Studies Of Construction Operations, Jimmy Alan Jacobson
JTRP Technical Reports
No abstract provided.
Activity-Accessibility Models Of Trip Generation : Progress Report, Tamman Zaki Nakkash
Activity-Accessibility Models Of Trip Generation : Progress Report, Tamman Zaki Nakkash
JTRP Technical Reports
No abstract provided.
A Study Of Pavement Strains And Deflections Produced By Dynamic Time Forces : Progress Report, Svein Olaf Engenes
A Study Of Pavement Strains And Deflections Produced By Dynamic Time Forces : Progress Report, Svein Olaf Engenes
JTRP Technical Reports
No abstract provided.
The Gcars Fortran Iv Programmers Manual, Part B - Programs For Generation Of Alternatives Part 3 B, A. Keith Turner
The Gcars Fortran Iv Programmers Manual, Part B - Programs For Generation Of Alternatives Part 3 B, A. Keith Turner
JTRP Technical Reports
No abstract provided.
The Gcars Ii System : Technical Paper, A. Keith Turner
The Gcars Ii System : Technical Paper, A. Keith Turner
JTRP Technical Reports
No abstract provided.
Major Aspects Of The Urban Transportation Planning Process : Interim-Summary Report, William Louise Grecco
Major Aspects Of The Urban Transportation Planning Process : Interim-Summary Report, William Louise Grecco
JTRP Technical Reports
No abstract provided.
Temperature Effects On The Compaction And Strength Behavior Of Clay, William H. Highter
Temperature Effects On The Compaction And Strength Behavior Of Clay, William H. Highter
JTRP Technical Reports
No abstract provided.
Plan Design Model For Urban Area Use Allocations : Draft Copy, W. Don Stewart, William Louise Grecco
Plan Design Model For Urban Area Use Allocations : Draft Copy, W. Don Stewart, William Louise Grecco
JTRP Technical Reports
No abstract provided.
Static And Dynamic Instability Analysis Of Rigid Frames With Timoshenko Members, Carlton Lee Smith
Static And Dynamic Instability Analysis Of Rigid Frames With Timoshenko Members, Carlton Lee Smith
Masters Theses
"In this thesis, a technique has been developed to determine the natural frequencies of plane rigid frames with the consideration bending, shear deformation, rotatory inertia, and internal axial forces. The internal forces are functions of the instability load of the vibrating system for which the effects of bending and shear deformation on the stability of this structure are considered. For the sake of completeness, the matrix formulations for the dynamic or stability analysis of a rigid frame are given. The stiffness matrices of these formulations are then derived. The influence of shear deformation, rotatory inertia, and internal axial force is …