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Articles 35701 - 35730 of 39915

Full-Text Articles in Civil and Environmental Engineering

Adapting Appropriation Water Law To Accommodate Equitable Consideration Of Instream Flow Uses, Jay M. Bagley, Dean T. Larson, Lee Kapaloski Jan 1983

Adapting Appropriation Water Law To Accommodate Equitable Consideration Of Instream Flow Uses, Jay M. Bagley, Dean T. Larson, Lee Kapaloski

Reports

The increasing public interest in naturally flowing streams has fostered efforts to obtain their protection under existing state water laws. In this study, the water laws of Arizona, Colorado, Idaho, Montana, Nevada, New Mexico, Utah, and Wyoming were examined and compared 1) with each other, and 2) against a set of aleitn criteria, to assess shortcomings in accommodating instream flow protections. It was determined that the appropriation system has the essential features of and ambodies legal principles that should allow the accommodation of instream flow values but, at this time, purchase of existing rights or the exercise of governmental reservation/withdrawal/appropriation …


Impediments To Effective Interactions Between Multipurpose Water Districts And Other Governmental Institutions In Urbanizing Areas, Jay M. Bagley, Frank W. Haws, Wendell B. Anderson, Daniel H. Hoggan, Lee Kapaloski Jan 1983

Impediments To Effective Interactions Between Multipurpose Water Districts And Other Governmental Institutions In Urbanizing Areas, Jay M. Bagley, Frank W. Haws, Wendell B. Anderson, Daniel H. Hoggan, Lee Kapaloski

Reports

Water institutions are highly diffused throughout society. These institutions interact with one another in various ways. As water needs and services expand, collaborative and cooperative arrangements are commonly sought as a means of meeting common goals of providing a safe, dependable adn least cost water supply to particular constituencies. Of the many different institutions involved in the development, managment, distribution, and use of water, perhaps the most significant in terms of extensive interactions with other institutions is the kind that is typified by Water Conservancy Districts and Metropolitan Water Districts in Utah. The statutory and operating framework of counterpart organizations …


Some Lake Level Control Alternatives For The Great Salt Lake, Marvin E. Allen, Ronald K. Christensen, J. Paul Riley Jan 1983

Some Lake Level Control Alternatives For The Great Salt Lake, Marvin E. Allen, Ronald K. Christensen, J. Paul Riley

Reports

Fluctuations of the level of the Great Salt Lake cause large changes in both surface area and shoreline. Developments adjacent to the lake have been damaged by both high and low lake levels; and unless measures are implemented to regulate lake level fluctuations or otherwise to protect these developments, damages will continue. Various possible managment alternatives for mitigating potential damages from lake level fluctuations need to be examined and evaluated. In this study, three possible techniques are examined for reducing damages from fluctuating water levels at the lake, namely: 1. Consumptively using an increased proportion of the inflowing fresh waters …


Aquatic Resources Management Of The Colorado River Ecosystem, V. Dean Adams, Vincent A. Lamarra Jan 1983

Aquatic Resources Management Of The Colorado River Ecosystem, V. Dean Adams, Vincent A. Lamarra

Reports

The Colorado River system has often been referred to as "the most regulated river system in the world." The Colorado River Basin serves millions of people through agricultural, energy, municipal and industrial uses, fish and wildlife activities, and recreation. The symposium was conceived and organized to allow researchers, private industry, consultants, water users, regulatory agencies, and concerned citizens the opportunity to express needs, desires, and concerns about the vast resources of the Colorado River. We found that there were a diverse number of problems confronting the individuals who are involved in the management of this important ecosystem. A variety of …


Hydrologic Evaluation Of The Coastal Belt Water Project Sarir And Tazerbo Well Fields, Libya, Edward P. Fisk, Christopher J. Duffy, Calvin G. Clyde, Roland W. Jeppson, Phillip H. Degroot, Bhasker Rao K., Win-Kai Liu Jan 1983

Hydrologic Evaluation Of The Coastal Belt Water Project Sarir And Tazerbo Well Fields, Libya, Edward P. Fisk, Christopher J. Duffy, Calvin G. Clyde, Roland W. Jeppson, Phillip H. Degroot, Bhasker Rao K., Win-Kai Liu

Reports

Executive Summary: The basic purpose of this study was to conduct a finite-element computer model and give an dindependent appraisal of the reliability of the groundwater supply for the proposed Coastal Belt Water Project (CBWP_ Well Fields at Sarir and Tazerbo. There is no doubt that ample quantities of groundwater of acceptable quality occur at the sites selected for these well fields for the estimated 50-year life of the project and longer. Of major concern is the predicted drawdown of wells and total pumping lifts throughout the 50-year period. Excessive drawdowns could cause operating costs to become prohibitibely expensive. Average …


Potential Use Of Arkansas River Water For Irrigation In The Plum Bayou Watershed, Richard C. Peralta, Paul W. Dutram Jan 1983

Potential Use Of Arkansas River Water For Irrigation In The Plum Bayou Watershed, Richard C. Peralta, Paul W. Dutram

Civil and Environmental Engineering Faculty Publications

No abstract provided.


Estimated Potential Water Needs For The Eastern Grand Prairie Region By Irrigation Scheduling, Richard C. Peralta, Paul W. Dutram, Paul Killian Jan 1983

Estimated Potential Water Needs For The Eastern Grand Prairie Region By Irrigation Scheduling, Richard C. Peralta, Paul W. Dutram, Paul Killian

Civil and Environmental Engineering Faculty Publications

Prepare maps showing the annual, monthly and peak weekly volume of irrigation water required in each 3 mile by 3 mile cell of the study area for the selected cropping pattern. Maps are presented for "average" and "dry" climatological conditions.


Stability Analysis Of Closed Surge Tanks By Phase-Plane Method, Mostafa A. Sabbah Jan 1983

Stability Analysis Of Closed Surge Tanks By Phase-Plane Method, Mostafa A. Sabbah

Civil & Environmental Engineering Theses & Dissertations

The governing equations describing water level oscillations in a closed surge tank with compressed air at the top of the tank are a set of nonlinear ordinary differential equations if the hydraulic system is analyzed as a lumped system. These oscillations are stable or unstable depending on the parameters of the plant and the type and magnitude of the disturbance.

The present available stability criterion has been developed by linearizing the governing equations and is, therefore, valid only for small disturbances.

In the research reported herein, the governing equations are normalized to reduce the number of parameters from nine to …


Computer Usage In The Construction Industry And Construction Education, Stephen Douglas Stulken Jan 1983

Computer Usage In The Construction Industry And Construction Education, Stephen Douglas Stulken

Dissertations and Theses @ UNI

The rapid growth of computer usage in American society, and in the construction industry in particular, has important implications for construction education programs. There is a lack of current information about computer usage in the construction industry. Without this information, construction educators are less likely to provide students with relevant computer competencies that relate to the needs of the construction industry.

The objective of this study was to determine to what extent construction education programs provide the necessary computer competencies for their students. This was accomplished by comparing the current status of computer usage in the construction industry with computer-related …


H & V News Jan 1983

H & V News

Building Services Engineering

No abstract provided.


Repetitive Load Deformation Of Cohesionless Soil, Rodney Lentz Jan 1983

Repetitive Load Deformation Of Cohesionless Soil, Rodney Lentz

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

No abstract provided.


A Study Of Single Angle Compression Members, James Robert Callaway Jan 1983

A Study Of Single Angle Compression Members, James Robert Callaway

Dissertations and Theses

A study was undertaken to investigate the compressive capacity of a specific group of single angle members.

A review of existing literature and techniques was presented. Laboratory compression tests were performed on 22 angle members of four different sizes and two different lengths. Additional tests were performed to determine the yield strength of the material. The results, normalized with respect to the yield stress, were tabulated and discussed.

Two existing analytic models were used to attempt to predict the ultimate capacity of the test members. The first, an elastic method, was based upon the AISC combined stress equation. The second, …


Secondary Stresses In Bowstring Timber Trusses, John F. Bradford Jan 1983

Secondary Stresses In Bowstring Timber Trusses, John F. Bradford

Dissertations and Theses

This study was undertaken in order to determine analytically the magnitude of the secondary (i.e., joint deflection induced) moments in the continuous glued-laminated chords of bowstring timber trusses. Traditionally, these moments have been assumed to be small and therefore neglected. The American Institute of Timber Construction makes no mention of these moments in their recommended design procedure.


Engineering Properties Of Overburden Materials For The Means Project, Vincent P. Drnevich, David L. Allen, Tommy C. Hopkins Dec 1982

Engineering Properties Of Overburden Materials For The Means Project, Vincent P. Drnevich, David L. Allen, Tommy C. Hopkins

Kentucky Transportation Center Research Report

A geotechnical investigation was performed to determine the physical properties (classification) and engineering properties of the overburden material from a proposed oil shale mining site in Montgomery County (Means Project). Three overburden materials were received in sealed meal drums and were labeled Nancy Member, Borden Formation; Clay City Bed, Farmers Member, Borden Formation; and Henley bed, Farmers Member, Borden Formation. Hereafter, they will be referred to as the Nancy, Clay City and Henley, respectively. the various types of geotechnical laboratory tests performed on these materials are listed in Table 1.


H & V News Dec 1982

H & V News

Building Services Engineering

No abstract provided.


Diaphragm Strength Of Composite Roof System, Roger A. Laboube, James M. Fisher Nov 1982

Diaphragm Strength Of Composite Roof System, Roger A. Laboube, James M. Fisher

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Shear-Bond Capacity Of Composite Slabs, S. S. Seleim, R. M. Schuster Nov 1982

Shear-Bond Capacity Of Composite Slabs, S. S. Seleim, R. M. Schuster

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Probability Analysis Of Cold-Formed Steel Structures, Mircea Grigoriu, Teoman Peköz Nov 1982

Probability Analysis Of Cold-Formed Steel Structures, Mircea Grigoriu, Teoman Peköz

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Periods For Seismic Design Of Industrial Storage Racks, C. K. Chen, R. E. Scholl Nov 1982

Periods For Seismic Design Of Industrial Storage Racks, C. K. Chen, R. E. Scholl

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Eccentric Connection Of Cold-Formed Steel Rack Structure, Rokuya Yamasaki, Noboru Yamamoto, Tsunemi Mochinaga Nov 1982

Eccentric Connection Of Cold-Formed Steel Rack Structure, Rokuya Yamasaki, Noboru Yamamoto, Tsunemi Mochinaga

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Practical Grain Bin Design Manufacturing And Erection Considerations, George T. Halmos, G. Peter Koens Nov 1982

Practical Grain Bin Design Manufacturing And Erection Considerations, George T. Halmos, G. Peter Koens

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Reliability Of Electric Cables And Conduit Supports, Andrzej S. Nowak, Peria V. Regupathy Nov 1982

Reliability Of Electric Cables And Conduit Supports, Andrzej S. Nowak, Peria V. Regupathy

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Cold Formed Standard Steel Products In A Low Cost House Construction Method, Robert W. Dannemann Nov 1982

Cold Formed Standard Steel Products In A Low Cost House Construction Method, Robert W. Dannemann

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Aisi Design Criteria For Bolted Connections, Wei-Wen Yu Nov 1982

Aisi Design Criteria For Bolted Connections, Wei-Wen Yu

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Web Crippling Of Decks Subjected To Two Flange Loading, B. A. Wing, R. M. Schuster Nov 1982

Web Crippling Of Decks Subjected To Two Flange Loading, B. A. Wing, R. M. Schuster

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Effective Lengths For Laterally Unbraced Compression Flanges Of Continuous Beams Near Intermediate Supports, G. Haaijer, J. H. Garrett Jr., K. H. Klippstein Nov 1982

Effective Lengths For Laterally Unbraced Compression Flanges Of Continuous Beams Near Intermediate Supports, G. Haaijer, J. H. Garrett Jr., K. H. Klippstein

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Purlin Failures In The Vicinity Of Lap Joints And Internal Supports, K. T. Kavanagh Nov 1982

Purlin Failures In The Vicinity Of Lap Joints And Internal Supports, K. T. Kavanagh

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Flexural Buckling In Cold-Formed Steel Structural Members, Peter Lorincz Nov 1982

Flexural Buckling In Cold-Formed Steel Structural Members, Peter Lorincz

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Interactive Buckling In Thinwalled Columns, Srinivasan Sridharan, Rafael Benito Nov 1982

Interactive Buckling In Thinwalled Columns, Srinivasan Sridharan, Rafael Benito

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


The Strength Of Cold-Formed Portal Frames, A. H. Baigent, Gregory J. Hancock Nov 1982

The Strength Of Cold-Formed Portal Frames, A. H. Baigent, Gregory J. Hancock

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.