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1972

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Articles 61 - 90 of 122

Full-Text Articles in Civil Engineering

The Conversion Of International Cargo Containers Into Lower Cost Housing -- A Socially Designed Home, Ralph E. Williams Apr 1972

The Conversion Of International Cargo Containers Into Lower Cost Housing -- A Socially Designed Home, Ralph E. Williams

International Symposia on Low Cost Housing Problems

No abstract provided.


Problems Encountered In The Manufacture Of Monolithic Concrete Modular Houses, W. D. Tiner Apr 1972

Problems Encountered In The Manufacture Of Monolithic Concrete Modular Houses, W. D. Tiner

International Symposia on Low Cost Housing Problems

No abstract provided.


Low Cost High Quality And High Strength Gap-Graded Concrete For Urban Renewal Housing Construction, Shu-Tien Li, V. Ramakrishnan Apr 1972

Low Cost High Quality And High Strength Gap-Graded Concrete For Urban Renewal Housing Construction, Shu-Tien Li, V. Ramakrishnan

International Symposia on Low Cost Housing Problems

No abstract provided.


Electrical Wiring For Lower-Cost Housing, Burns E. Hegler Apr 1972

Electrical Wiring For Lower-Cost Housing, Burns E. Hegler

International Symposia on Low Cost Housing Problems

No abstract provided.


A Means Of Rational Comparison Between Various Types Of Lower Cost Housing With Special Reference To The Effect Of Building Codes Thereon, George S. Birrell Apr 1972

A Means Of Rational Comparison Between Various Types Of Lower Cost Housing With Special Reference To The Effect Of Building Codes Thereon, George S. Birrell

International Symposia on Low Cost Housing Problems

No abstract provided.


New Methods To Overcome Zoning Restrictions Against Transportable Housing, James Jay Brown Apr 1972

New Methods To Overcome Zoning Restrictions Against Transportable Housing, James Jay Brown

International Symposia on Low Cost Housing Problems

No abstract provided.


Labor-Requirement And -Cost Comparison Of Construction Methods For Lower-Cost Housing, Schlomo Peer Apr 1972

Labor-Requirement And -Cost Comparison Of Construction Methods For Lower-Cost Housing, Schlomo Peer

International Symposia on Low Cost Housing Problems

No abstract provided.


Symposium Committees, University Of Missouri--Rolla Apr 1972

Symposium Committees, University Of Missouri--Rolla

International Symposia on Low Cost Housing Problems

No abstract provided.


Author Index, University Of Missouri--Rolla Apr 1972

Author Index, University Of Missouri--Rolla

International Symposia on Low Cost Housing Problems

No abstract provided.


Proceedings Of The 2nd International Symposium On Lower-Cost Housing Problems, Oktay Ural Jan 1972

Proceedings Of The 2nd International Symposium On Lower-Cost Housing Problems, Oktay Ural

International Symposia on Low Cost Housing Problems

To protect and improve the total human environment is a major concern of all the nations of the world. This is well noted in the recent activities of the United Nations. The provision of decent homes for every family of our world is an integral part of the human environment. It is this belief which generated the initial interest for the planning of the International Symposia on Lower-Cost Housing Problems.

The purpose of the Second International Symposium is many sided: to generate concern on the housing problems around the world as they exist today; to gather people who share mutual …


Table Of Contents, University Of Missouri--Rolla Jan 1972

Table Of Contents, University Of Missouri--Rolla

International Symposia on Low Cost Housing Problems

No abstract provided.


A Simulation Of Sediment Deposit In Open Channels, Tsan-Wen Wang Jan 1972

A Simulation Of Sediment Deposit In Open Channels, Tsan-Wen Wang

Electronic Theses and Dissertations

In this study, two mathematical models have been developed to simulate sediment deposition in open-channel flow; a model based on three characteristic equations and a model based on two characteristic equations. A set of three partial differential equations for one dimensional transient flow with homogeneous density was provided to explain the mechanics of the phenomenon. By the method of characteristics, three partial differential equations were transformed into a set of three ordinary differential equations or a set of two ordinary differential equations by simplification in which the change of sediment layer thickness with respect to distance was assumed to be …


Analysis Of Variation Of River Flow And Water Quality In The White River Basin, Michael Stephen Thompson Jan 1972

Analysis Of Variation Of River Flow And Water Quality In The White River Basin, Michael Stephen Thompson

Electronic Theses and Dissertations

The main objectives of this White River Basin study were to analyze flow variation records, to investigate existing river water quality data as compared with the designated beneficial uses for the basin and to consider the influence of present and future irrigation development. Data were collected from a number of sources and brought together for interpretation with respect to these objectives. The streamflow study utilizes the streamflow records from 10 gaging stations in the White River Basin. It is expected that the results of this investigation may be of assistance to the South Dakota Water Resources Commission and the South …


Thermal Stresses And Movements In Bridges, Joseph Charles Reynolds Jan 1972

Thermal Stresses And Movements In Bridges, Joseph Charles Reynolds

Masters Theses

"A state of the art regarding the thermal behavior of bridges and considerations to be given to the resultant thermal effects is presented. The results of studies related to the thermal effects on bridges are reviewed. Studies attempting to relate environmental factors to bridge temperatures, and subsequently to bridge movements and stresses, indicate that the task is extremely complex. Some correlation has been made between equations predicting bridge temperatures and movements based on weather bureau records. However, further research is needed to evaluate the effects of factors other than temperature, such as creep, shrinkage, and humidity on bridge movements and …


Adsorption And Desorption Of Chlorinated Hydrocarbon Pesticides By Organic Humic Sludge, Fu-Sheng Chien Jan 1972

Adsorption And Desorption Of Chlorinated Hydrocarbon Pesticides By Organic Humic Sludge, Fu-Sheng Chien

Masters Theses

"This research study was undertaken to investigate the fundamental sorption and desorption of selected organic pesticides by organic humic acids under laboratory-controlled conditions. Emphasis was placed on the evaluation of both the rate and the equilibrium of adsorption and desorption. Two types of chlorinated hydrocarbon pesticides were employed in this study. These are dieldrin and heptachlor, both of which are commonly used in today's agricultural applications. The adsorbent of organic humic acids was extracted from a coal-like substance called "leonardite," which has a humus content as high as 53 percent by weight. The experimental work of this study was conducted …


Use Of Glass Separated From Municipal Refuse In Asphaltic Concrete, Thomas Eugene Keith Jan 1972

Use Of Glass Separated From Municipal Refuse In Asphaltic Concrete, Thomas Eugene Keith

Masters Theses

"The recent interest in municipal refuse recycling has brought about the development of several systems for separation of the refuse into components. One of the components reclaimed is a glass-rich fraction which, although primarily glass, contains various non-glass materials which the system is not able to remove. Clean waste glass can be used as an asphaltic concrete aggregate, and it would be desirable to use this glass-rich fraction in a similar manner. However, the effect, if any, of the non-glass components on the properties of an asphaltic mixture must be determined in order to utilize the glass-rich fraction with a …


A Study On The Lateral Placement Of Automobiles Due To Restrictions On Two-Lane Rural Highways, Warren Chip Woods Jan 1972

A Study On The Lateral Placement Of Automobiles Due To Restrictions On Two-Lane Rural Highways, Warren Chip Woods

Masters Theses

"The driver of an isolated vehicle on a given section of highway, whether it is urban or rural, will choose a path on the pavement that offers the least resistance to driver effort and which to him seems safest. Lateral obstructions, such as retaining walls, trees, bridge abutments, ect., which may cause him to deviate from the desired path represent some degree of hazard to the driver and should be removed, if practicle. The purpose of this investigation was to determine any change in the lateral placement of automobiles due to side restrictions on rural two-way, two-lane highways. Phase one …


Development Of A Sampling System And Characterization Of Stormwater Runoff From A Small Urban Area, William Clark Ford Jan 1972

Development Of A Sampling System And Characterization Of Stormwater Runoff From A Small Urban Area, William Clark Ford

Masters Theses

"Increasing urbanization and the demand for high quality water have directed attention to the problem of combined sewer overflows, while recent research has demonstrated that stormwater alone, without the influence of sanitary sewage, carries a significant pollutional load. The purpose of this investigation was to determine the quality and pollutional contribution of stormwater runoff from a small urban area, with specific emphasis on the development of a suitable sampling and flow recording system, the characterization of runoff and the correlation of runoff quality with local environmental factors and storm characteristics. The system developed consisted of an automatic sampler capable of …


Structural Test And Analysis Of A Vierendeel Steel And Concrete Composite Girder, Melvin Crews Oestreich Jan 1972

Structural Test And Analysis Of A Vierendeel Steel And Concrete Composite Girder, Melvin Crews Oestreich

Masters Theses

"The results of the structural load testing of a unique type of steel and concrete composite girder are described. The structural system, referred to as a composite Vierendeel girder, is a hybrid type which incorporates features of a castellated beam and a Vierendeel truss. The performance of the composite girder agreed reasonably well with calculated values based on section properties for a prismatic beam. Observations indicated web stiffeners were required on the stub beams to prevent premature failure of the system. Failure of the girder was due to concrete crushing over a stub web beam. Design considerations for a structural …


Characterization And Staged Lagoon Treatment Of Swine Feedlot Waste, Abraham H. Loudermilk Jr. Jan 1972

Characterization And Staged Lagoon Treatment Of Swine Feedlot Waste, Abraham H. Loudermilk Jr.

Masters Theses

"Feedlot pollution is developing into a serious problem because of the trend toward intensive farming techniques and the increasing number of animals in confinement feeding operations. The purpose of this study was to characterize swine waste collected under a slotted feeding floor using a water-carriage system, and to evaluate the treatment of this waste in a staged lagoon system consisting of an anaerobic, a dual anaerobic-aerobic, and an aerobic lagoon. A small feeding floor unit capable of maintaining 3 separate groups of animals, and a pilot 3-lagoon system were designed, constructed, and operated for a period of approximately 4 months. …


Effect Of Biological Activity On Pesticide Desorption, Loh-Tien Chiang Jan 1972

Effect Of Biological Activity On Pesticide Desorption, Loh-Tien Chiang

Masters Theses

"The purpose of this research study was to investigate the effect of biological activities on the desorption of pesticides from humic acid solids. The pesticides selected in this study are dieldrin and heptachlor, both of which have been commonly used in agricultural applications. The humic acid adsorbent was extracted from a coal-like substance called "leonardite", which has a humus content of as high as 53 percent by weight. The first step of this study involved a proper cultivation of biological culture so that the culture could be adapted to a test environment containing a high concentration of humic acids. The …


High Speed Magnetically Supported Vehicles For Reducing Transportation's Degradations Of The Environment, Pravinchandra Shukla Jan 1972

High Speed Magnetically Supported Vehicles For Reducing Transportation's Degradations Of The Environment, Pravinchandra Shukla

Masters Theses

"The development of new techniques for higher speed transportation is desirable to satisfy the environmental, conservation, and economic requirements of society. Some of the important factors are presented for developing magnetically supported vehicles. A new method for improving the ratio of lift force to drag force is suggested and discussed. An application of the new technique to vehicles that would ride on a carpet of magnetism and would operate with less waste of energy is suggested "--Abstract, page ii.


Laboratory Studies Using Diffused Oxygen And Air For Hypolimnion Reaeration, Chin-Ming Pai Jan 1972

Laboratory Studies Using Diffused Oxygen And Air For Hypolimnion Reaeration, Chin-Ming Pai

Masters Theses

"The purposes of this research were to study the oxygen transfer rates and the oxygen transfer efficiencies of different types of aerators using different sources of oxygen in different types of water bodies, and to evaluate the number of diffusers required to be installed in a selected lake for hypolimnion aeration.

The experiments were conducted using a specially designed column. Four types of aerators, including a cylindrical stone diffuser, a spherical stone diffuser, and 2 ceramic diffusers (types A and B) which differed in pore size, were utilized as the aerators. The water bodies selected for the studies were Rolla …


Fitting Discrete Probabilistic Frequency Distributions To Disturbed Traffic Flow At An Unsignalized Urban Intersection, Horst Walter Kaminsky Jan 1972

Fitting Discrete Probabilistic Frequency Distributions To Disturbed Traffic Flow At An Unsignalized Urban Intersection, Horst Walter Kaminsky

Masters Theses

"Traffic variables, such as volume, speed, gaps and lags, and headways can be described by probability distributions. In this study vehicle arrivals from three directions have been recorded at a four-leg, right-angled, at-grade intersection in Rolla, Missouri, and statistically analyzed. Two distinct probabilistic statistical concepts were used, the continuous (gap) and discrete (counting) distribution. The negative exponential distribution is discussed briefly, whereas the applicability of discrete statistical models for the traffic situation selected is elaborated in detail.

The purpose of this research was to investigate the impairment and distortion that various interferences such as upstream traffic lights, bottlenecks or other …


Effect Of Glass Aggregates Upon Abrasiveness Of Asphaltic Mixtures, Dwarka Prasad Gupta Jan 1972

Effect Of Glass Aggregates Upon Abrasiveness Of Asphaltic Mixtures, Dwarka Prasad Gupta

Masters Theses

"The utilization of glass as an aggregate in asphaltic concrete pavements has been suggested as a means for reusing the increasing amounts of waste glass generated each year in the United States. Recent studies have shown that asphaltic mixtures containing glass aggregates can be designed to meet Marshall requirements for stability, flow and void content but the abrasiveness of mixtures containing glass aggregates had not been investigated. The objectives of this study were to develop a laboratory wear testing apparatus and compare the abrasiveness of asphaltic concrete mixtures using glass aggregates with the abrasiveness of mixtures using several different conventional …


A Study Of Right Turn On Red At Signalized Intersections, Ronald Duane Rains Jan 1972

A Study Of Right Turn On Red At Signalized Intersections, Ronald Duane Rains

Masters Theses

"Traffic engineers have discussed the controversial subject of allowing drivers to make a right-turn-on-red (R.T.O.R.) for many years. There have been many strong points given for and against allowing this movement.

Within this paper R.T.O.R. is discussed and conclusions are drawn for a research of literature and questionnaire survey.

Questionnaires were sent to ninety-three cities and all fifty states. Many valuable unwritten facts and opinions were received from the seventy city and thirty-six state traffic engineers that completed and returned the questionnaires.

It was determined that 63.8% of the states replying and 64.3% of the cities are presently utilizing R.T.O.R. …


Fundamental Studies Of Portland Cement Concrete, Phase 2 : Interim Report, Sidney Diamond, David Watson Hadley, William Lee Dolch Jan 1972

Fundamental Studies Of Portland Cement Concrete, Phase 2 : Interim Report, Sidney Diamond, David Watson Hadley, William Lee Dolch

JTRP Technical Reports

No abstract provided.


Root Cuttings For Roadside Slope Stabilization : Interim Report, David Foster Hamilton, Robert E. Mcniel, Philip L. Carpenter Jan 1972

Root Cuttings For Roadside Slope Stabilization : Interim Report, David Foster Hamilton, Robert E. Mcniel, Philip L. Carpenter

JTRP Technical Reports

No abstract provided.


Plant Response To Nitrogen From Three Slow Release Fertilizers : Interim Report, Robert E. Mcniel, Philip L. Carpenter Jan 1972

Plant Response To Nitrogen From Three Slow Release Fertilizers : Interim Report, Robert E. Mcniel, Philip L. Carpenter

JTRP Technical Reports

No abstract provided.


Establishing Roadside Slopes By Direct Seeding With Legumes And Woody Ornamentals And By Seedlings Of Ornamental Plants : Interim Report, David Foster Hamilton, Robert E. Mcniel, Philip L. Carpenter Jan 1972

Establishing Roadside Slopes By Direct Seeding With Legumes And Woody Ornamentals And By Seedlings Of Ornamental Plants : Interim Report, David Foster Hamilton, Robert E. Mcniel, Philip L. Carpenter

JTRP Technical Reports

No abstract provided.