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Articles 11071 - 11100 of 11144

Full-Text Articles in Engineering

The St. Johns River Bridge For Duval County, Florida, Enoch Ray Needles Jan 1920

The St. Johns River Bridge For Duval County, Florida, Enoch Ray Needles

Professional Degree Theses

No abstract provided.

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Preliminary Study Of Possible Power Development On The Gasconade River, Charles Russell Barnard, Ronald Blair Wills, Harry Wesley Zieseniss Jan 1920

Preliminary Study Of Possible Power Development On The Gasconade River, Charles Russell Barnard, Ronald Blair Wills, Harry Wesley Zieseniss

Bachelors Theses

"The location of a possible dam site on the Gasconade River as a thesis proved to be a very interesting subject. Our first trip pointed out to us that we had undertaken a large task. We also realized that our subject was too big to complete thouroughly sic in the time alloted. Due to this circumstance we tried to cover the essential facts and to eliminate as much of the detail work as possible. For instance, we made no attempt to make a complete survey of the basin, instead, we ran surveys for some distance up the river to give …

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Some Typical Bridges For Logging Railroad Construction, Frederick Hauenstein Jan 1917

Some Typical Bridges For Logging Railroad Construction, Frederick Hauenstein

Professional Degree Theses

"In some of the pine regions of the Ozark Mountains, a considerable portion of the country is rolling and rough, comprising a succession of hills and hollows. The most efficient method of logging such a tract is obtained by locating the logging road so as to secure a down grade haul for the logs, with consequent up grade return for the empty cars. This necessitates locating the main line of the railroad along the principal creek, and then laying spurs up the different tributary creeks as they are met. Such a procedure requires much crossing and re-crossing of creeks and …

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Simple Methods And Tables For Determining True Meridian, Howard Jones Teas Jan 1917

Simple Methods And Tables For Determining True Meridian, Howard Jones Teas

Bachelors Theses

"The ordinary methods of determining the true meridian by observation on either Polaris or the sun are so tedious to calculate that most surveyors and students dread making them. Observation on Polaris at either elongation or clumination sic require less calculation and are much simpler, but this simplicity is offset by the fact that they must be taken at an exact instant. If a cloud crosses the sky at the time, the surveyor has to wait until the next night. then again the observer must know the date, exact longitude and latitude and correct time for making the observation, and …

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Construction And Maintenance Of Kansas City Boulevard Pavements, Ralph Robert Benedict Jan 1916

Construction And Maintenance Of Kansas City Boulevard Pavements, Ralph Robert Benedict

Professional Degree Theses

"In the first years of the history of the Park and Boulevard System of this city, road surfaces for boulevards received careful consideration for people were not satisfied with a good earth road well maintained. As the years have passed and the great changes have come in the methods of transportation, the evolution of pavements has had to keep pace with these changes"--page 1.

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Method And Cost Of Rock Excavation, Inlet Swamp Drainage District, Lee County, Illinois, Arch W. Naylor Jan 1916

Method And Cost Of Rock Excavation, Inlet Swamp Drainage District, Lee County, Illinois, Arch W. Naylor

Professional Degree Theses

"The Inlet Swamp Drainage District, comprising 32000 acres of rich muck land, lies in Lee County Illinois, between the Chicago and Northwestern Railway, the Illinois Central Railway and the Chicago, Milwaukee and St. Paul Railway. The District is fifteen miles long and from one to five miles wide. The watershed has approximately five times the area of the swamp, and in early days, as much as one-half the thirty two thousand acres was under water for practically the entire year. It was not unusual in the Spring, for the swamp to be under from two to five feet of water. …

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Land Drainage In Central Iowa, Ernst Lorenze Chamberlain Jan 1916

Land Drainage In Central Iowa, Ernst Lorenze Chamberlain

Professional Degree Theses

"The problems encountered in land drainage are comparatively simple when seen from an engineering point of view. Most problems do not require a fine scientific or mathematical analysis but are rather questions to be decided by good judgment or practical common sense. The most difficult problems encountered are financial, legal and political, therefore, in this paper considerable attention is paid to the Iowa drainage law, facts learned from practical drainage men and to the organization and operation of the different financing systems for drainage"--page 1.

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An Investigation Of Blended Cements, Byron Lee Ashdown Jan 1916

An Investigation Of Blended Cements, Byron Lee Ashdown

Bachelors Theses

"It is generally accepted to be a fact that the coarser particles of a cement are practically inert, and that it is only the finest particles that possess the cementing qualities. Exactly what percentage of the whole is active, or possesses the cementing properties, is not known. Since but few experiments pertaining to such have been performed there is consequently little data to be found"--Introduction, page 3.

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A Study For Comparative Costs Of Flat, Short Span, Concrete Steel Highway Bridges, Thomas Purcell Mccague Jan 1916

A Study For Comparative Costs Of Flat, Short Span, Concrete Steel Highway Bridges, Thomas Purcell Mccague

Bachelors Theses

"The importance of steel in the construction of long span highway bridges is well understood, but it's cost and the constant heavy maintenance charges, or it's rapid deterioration, if not properly maintained, have caused builders of bridges to seek some other material, which is low is first cost and which will not require constant painting. Se we consider concrete and concrete steel"--page 2.

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Design Of A Concrete-Steel Highway Bridge For Dry Fork Crossing, Salem Road, Phelps County, Mo., Edward V. Damotte Jan 1916

Design Of A Concrete-Steel Highway Bridge For Dry Fork Crossing, Salem Road, Phelps County, Mo., Edward V. Damotte

Bachelors Theses

No abstract provided.

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An Investigation In Concrete, Don H. Morgan Jan 1916

An Investigation In Concrete, Don H. Morgan

Bachelors Theses

"It is the purpose of this investigation to determine the effect of blending a portland cement with a fine silica sand. A blended cement such as this has been used successfully and economically in several important works. The United States Reclamation Service and the Los Angeles Aqueduct commission have made use of such a blended cement in several important structures. This dilution, so to say, of the cement results is a decrease in cost without a loss of strength. In this investigation it has been assured that the cement retained on a #200 sieve is inert and may be replaced …

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The Design Of A Reinforced Concrete Arch Highway Bridge, Clinton Dewitt Smith Jan 1915

The Design Of A Reinforced Concrete Arch Highway Bridge, Clinton Dewitt Smith

Bachelors Theses

"The Subject of this theses is the Design of a Reinforced Concrete Arch Highway Bridge. In making the Design the crossing of South River Street, Austin Minn., was taken as the hypothetical location of the bridge and the design made with reference to the requirements of this location. These requirements are no more than those for an ordinary rural highway bridge. While in the city of Austin it is not in the route of travel to and from the depots and is hence not subjected to the loads due to heavy freighting. There is however a heavy rural traffic, this …

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Structural Material Requirements In Municipal Building Codes, August Wilhelm Gleason Jan 1915

Structural Material Requirements In Municipal Building Codes, August Wilhelm Gleason

Bachelors Theses

"An examination of the various Building Codes and ordinances of American cities shows some little variation in requirements and specifications for structural Each writer or engineer, to whom has been assigned the task of preparing the several codes, has had individual theory or rule which he embodies in the work while holding in the main to the generally accepted provisions. It is for the purpose of comparing the variations in the different codes with the hope of deducing what might be considered as standard practice, that this investigation has been started"--page 4.

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Testing Of The Racine Street Highway Bridge: City Of Milwaukee, Gardner P. Allen, Ernest Gomez Arzapalo Jun 1914

Testing Of The Racine Street Highway Bridge: City Of Milwaukee, Gardner P. Allen, Ernest Gomez Arzapalo

Bachelors’ Theses

The object of this test was to determine experimentally, the live load stresses in the main members of the Racine Street Bridge, and thus to ascertain whether or not the theoretical live and dead load stresses were greater or less than the theoretical dead load plus the actual live load stresses. If less, the bridge could not be considered safe for the traffic which it now carries. The dead load stresses in the various members were determined analytically, and to these were added the respective live load stresses obtained by this test, thus obtaining the total stress in the various …

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A Study Of The Economic Design Of Short Span Girder Type Concrete-Steel Highway Bridges, Enoch Ray Needles Jan 1914

A Study Of The Economic Design Of Short Span Girder Type Concrete-Steel Highway Bridges, Enoch Ray Needles

Bachelors Theses

"The general principles underlying the design of concrete-steel structures are quite well known. Concrete itself is a structural material which is sightly, permanent, very strong in compression, thoroughly reliable when made honestly, almost fool-proof when once allowed to "set" properly, adaptable to an almost unlimited number of uses, practically fire-proof as well as water-proof, and in addition its cost is always very reasonable. The great objection to concrete is its lack of tensile strength, and likewise its lack of elasticity and toughness. Thus it is a fortunate circumstance that which is one of the least expensive of metals, and which …

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Gaging Of The Gasconade River, Lawrence Collins, Sidney R. Hatch Jan 1914

Gaging Of The Gasconade River, Lawrence Collins, Sidney R. Hatch

Bachelors Theses

“The work of establishing a gaging station was begun January 31st, 1914. Due to cold weather and lack of knowledge of the river it was very difficult to locate a suitable gaging station. The advantages offered by the bridge for putting in a gaging station on the lower side of the bridge was considered and tried”—Selection of a Gaging Station, page 3.

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The Design Of A Water Supply Distributing System For The City Of St. James, Missouri, Arch W. Naylor, John Hurtgen Jan 1912

The Design Of A Water Supply Distributing System For The City Of St. James, Missouri, Arch W. Naylor, John Hurtgen

Bachelors Theses

"The design of the distributing system, being governed by the fire requirements, it is proposed to provide three 250-gallon fire streams under a hydrant pressure of 70 pounds per square inch for the business section, from Scioto St. to Bowman St and from Seymour St. to Meramec St with a maximum length of hose of six hundred feet; and two fire streams of a minimum total capacity of 425 gallons, each under a hydrant pressure of 72 pounds per square inch for the outlying district; the water to enter the system under a pressure of 100 pounds per square inch... …

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Preliminary Investigation For The Development Of An Hydro-Electric Plant Okanagan Valley British Columbia, Robert Arthur Barton Jan 1910

Preliminary Investigation For The Development Of An Hydro-Electric Plant Okanagan Valley British Columbia, Robert Arthur Barton

Professional Degree Theses

"The Okanagan Valley of British Columbia extends one hundred and thirty-nine miles North from the International Boundary and is immediately West of the Gold Range, an off-shoot of the Rockies ... The suitability of the soil and climate for growing fruit and other special crops has long been recognised; and in the favoured localities, where water is easily obtainable for irrigation, great advance has been made in the last ten years in this direction ... In a mountainous country, where water is abundant and power is needed for transportation, lighting town, and running factories, the natural result is an investigation …

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Friction In Small Air Pipes, Albert Park, Howard Kelsey Peterson Jan 1910

Friction In Small Air Pipes, Albert Park, Howard Kelsey Peterson

Bachelors Theses

"In the course in Compressed Air at the Missouri School of Mines our attention was called to the fact that no reliable data could be found relating to friction losses in pipes under three inches in diameter carrying compressed air. Therefore the undersigned decided to undertake as a thesis the securing of the needed data and herein are recorded the results of our work"--page 1.

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The Design Of A Dam And The Investigation Of A Water Supply For The City Of Rolla, Missouri, Frank Xavier Nachtman, Ernst Lorenze Chamberlain Jan 1909

The Design Of A Dam And The Investigation Of A Water Supply For The City Of Rolla, Missouri, Frank Xavier Nachtman, Ernst Lorenze Chamberlain

Bachelors Theses

"The object of this paper is to investigate a means of supplying the City of Rolla with better water at a reasonable a price as possible. The elevation and distance of the supply from the city were very important factors,also the most economical position for the dam was to be considered. After examining several drainage basins with the above purposes in mind we selected one just west of the City on account of its convenience and high elevation. The watershed includes an area of ever eight hundred acres and is divided into two parts which come together in a narrow …

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Design Of Reinforced Concrete Water Tower And Tank, Harvey Oden Garst, Pearl Frederick Michael Jan 1909

Design Of Reinforced Concrete Water Tower And Tank, Harvey Oden Garst, Pearl Frederick Michael

Bachelors Theses

"Theoretically the most economical dimension for a flat bottomed cylindrical tank would be such that the height of the tank is equal to the diameter, but such a tank does not look as well as one which has the height a little greater than the diameter and as the cost will be affected but little by making the height a few feet greater than the diameter, the most economical design will not be strictly carried out in this particular"--Data, page 1.

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Development Of Power On Little Piney River, James Duncan Fowler, Frank Leroy Flynt Jan 1908

Development Of Power On Little Piney River, James Duncan Fowler, Frank Leroy Flynt

Bachelors Theses

"Little Piney River has its source in the southern part of Phelps County, Missouri. Its general direction is north until its junction with Beaver Creek. Then it flows nearly due west and empties into the Gasconade River near Arlington, Mo. It drains an area of approximately two hundred square miles. The slopes of its drainage area being very steep, it is subject to large and sudden rises. As it is largely a spring fed stream its minimum flow is not far below its normal stage. The stream abounds in rapids with from a few inches to a foot or more …

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Design Of A Re-Inforced Arch Over Frisco Railroad On Tenth Street, Rolla, Missouri, Don Morgan Neer Jan 1908

Design Of A Re-Inforced Arch Over Frisco Railroad On Tenth Street, Rolla, Missouri, Don Morgan Neer

Bachelors Theses

"Location. This bridge shall be located so that its center line will coincide with the center line of Tenth Street, so that the two (2) inside faces of the abutments will be perpendicular to the center line of Tenth Street and will be fifty-one (51) feet from the center line of the main track of the Frisco Railroad. General Description. This bridge will be built of concrete with steel rod re-inforcement, as shown on the plan. It will be one hundred two (102) feet between the faces of the abutments. The abutments shall be carried down into the rock ledge …

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Plans, Estimates And Specifications For A Sewer System For The City Of Plattsburg, Eldon E. Cook, William C. Perkins Jan 1907

Plans, Estimates And Specifications For A Sewer System For The City Of Plattsburg, Eldon E. Cook, William C. Perkins

Bachelors Theses

"Plattsburg, Missouri is a thriving city of about two thousand population. It is situated in the heart of the most fertile Missouri land. Three railroads - Atchison, Topeka and Santa Fe.; Chicago, Rock Island and Pacific; Quincy, Omaha and Kansas City - give easy access to St. Joseph, thirty miles distant, Leavenworth forty miles, or Kansas City, forty-one miles; respectively. The city is growing steadily and will in a few years be of such size that a sewage system will be necessary. We therefore submit the following plans, specifications and estimates. Since the city could not afford both Stone Sewers …

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The Design Of Main Street Reinforced Concrete Arch Over Frisco R. R., Hyman Zirulick Jan 1907

The Design Of Main Street Reinforced Concrete Arch Over Frisco R. R., Hyman Zirulick

Bachelors Theses

"Owing to the cheapness and durability of reinforced concrete, the tendency of the present time in Engineering practice is to build new and replace old structures with reinforced concrete. Therefore, in taking up a subject for a thesis, I have selected, The Investigation of the Design of a Reinforced concrete Arch," or, as I named it, "Main Street Reinforced concrete Arch over Frisco Railroad"--Introduction, page 1.

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Graphical Representation Of Compressed Air Formulae, John Thomas Vitt, Paul Andrew Philippi Jan 1907

Graphical Representation Of Compressed Air Formulae, John Thomas Vitt, Paul Andrew Philippi

Bachelors Theses

"Air during compression and expansion obeys the same laws as do other gases and these laws have been mathematically stated by purely rational formulae. Most of these formulae are logarithmic and their use involves a considerable amount of work. The object of this thesis is to present these formulae in such form that problems involving their use may be readily and easily solved. It was decided to present them graphically and the accompanying curves are the results of our labors"--page 1.

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Report And Preliminary Estimate For A Sewerage System For Lebanon, Mo., Ramon Rivera Jan 1906

Report And Preliminary Estimate For A Sewerage System For Lebanon, Mo., Ramon Rivera

Bachelors Theses

No abstract provided.

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Plans And Estimates For The Disposal Of Sewage And Storm Water For The City Of Rolla, Mo., Tracy Irwin Phelps, Robert Arthur Barton Jan 1906

Plans And Estimates For The Disposal Of Sewage And Storm Water For The City Of Rolla, Mo., Tracy Irwin Phelps, Robert Arthur Barton

Bachelors Theses

"The City of Rolla is the county seat of Phelps County, situated 111 miles southwest of St. Louis, on the St. Louis and San Francisco R.R. This thriving city of 2000 inhabitants already owns the electric lighting system, and has engineers working upon plans for a deep well water supply system. Since the sanitary conditions are not the best and a water supply is to be installed, we submit these plans and estimates for a "Disposal of Sewage and Storm Water."--page iii.

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Contour Map, Isaac Peter Frazier Jan 1903

Contour Map, Isaac Peter Frazier

Professional Degree Theses

"In discussing the contour map as used by locating engineers, I will confine myself chiefly to the method of obtaining same, rather than the use"--page 1.

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Methods Of Discharge Measurements Of Streams, Royal Sylvester Webster, Walter Adams Luther Jan 1903

Methods Of Discharge Measurements Of Streams, Royal Sylvester Webster, Walter Adams Luther

Bachelors Theses

"The method of determining the discharge of large streams is that in which the area of cross section is multiplied by the velocity per. sec. of the water passing through the section. The velocity can be measured by the following methods: 1. By floats. 2. Current Meters. 3. Pitots tube. 4. Can be determined by use of Kutter's formula"--page 1.

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