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Articles 11641 - 11670 of 11763

Full-Text Articles in Civil Engineering

The U.S.G.S. Topographic Map: Its Value And Method Of Construction, Daniel Kennedy Jan 1935

The U.S.G.S. Topographic Map: Its Value And Method Of Construction, Daniel Kennedy

Professional Degree Theses

"Topographic maps, which differ from the base map in that they show not only relative distance and direction but also the accurate shape of the earths surface, are not new, but represent the constant improvement in mans efforts to reproduce on paper all that he sees and knows of regions of the globe.

While history records the first maps known to man as being made by the Babylonians on clay tablets centuries before Christ, the first relief map was made by the Ninth Inca who died in the year 1191. The present method of showing relief by contours was employed …


The Rahway Valley Trunk Sewer And Its Relations To, And Effect Upon The City Of Rahway, Fred A. Hedeman Jun 1934

The Rahway Valley Trunk Sewer And Its Relations To, And Effect Upon The City Of Rahway, Fred A. Hedeman

Theses

This treatise is divided into three separate parts, each portraying a particular phase of the Rahway Valley improvement. Although not directly connected with the Joint Meeting, the fact that I served as Assistant City Engineer in Rahway during 1931 and 1932 naturally presented to me the opportunity of attending meetings and studying the project especially as it pertained to the City of Rahway.

Part one is a general review of the activities of the Rahway Valley Joint Meeting, both prior to and after the completion of the trunk sewer. The second portion reveals some of the intricate problems evolving in …


Cost Of Engineering On Highway Projects, Walter John Shaffer Jan 1934

Cost Of Engineering On Highway Projects, Walter John Shaffer

Professional Degree Theses

"It is customary for highway departments to set up certain finances in addition to the contract price to take care of engineering and slight overruns in the contract quantities. Generally a certain percentage of the contract price is used. The Missouri Highway Commission follow the practice of setting up 10% of the contract price to finance the engineering, contingencies, and slight overruns. The term "engineering" as referred to in this paper consists of the salaries and incidental expenses of the project engineer and his assistants, project office rent, and transportation. It will be noted that the preliminary survey work, blue …


Problems In The Cement Industry, William Alonzo Mccanless Jan 1934

Problems In The Cement Industry, William Alonzo Mccanless

Professional Degree Theses

"The major problem of the cement companies is the matter of marketing the product in sufficient quantities and at a price which will return a profit; however, there are some other problems that are of great interest to the engineers, i.e., the interest in the economics of cement based largely on its effect on the cost of contemplated structures"--page 1.


Efficient Management Of Highway Projects Under State Administration, From The Point Of View Of The Project Or Resident Engineer, Jean Paul Bryan Jan 1934

Efficient Management Of Highway Projects Under State Administration, From The Point Of View Of The Project Or Resident Engineer, Jean Paul Bryan

Professional Degree Theses

"Efficiency in any project is an admirable attribute. It is even more than admirable in an undertaking designed for the spending of the taxpayer's money in which the lack of this trait is so liable to be interpretated [sic] as graft. It is necessary. After some eight years of connection with highway construction, a familiarity with inefficiency in the management of high projects under state construction is sufficient excuse, we believe, to warrant a dissertation of the opportunities for the practice of efficiency by those in direct charge of these project - the Project Engineers or the Resident Engineers, as …


A Survey Of A Sanitary Sewer System With Findings And Recommendations, Warren Roy Gettler Jan 1934

A Survey Of A Sanitary Sewer System With Findings And Recommendations, Warren Roy Gettler

Professional Degree Theses

"The object of the survey was: 1. To determine existing evils in the present system and make recommendations for their correction. 2. To create new sewer districts of the unsewered portions of the city and submit tenative [sic] estimates of quantities and costs"--page 2.


Some Problems In The Construction Of Artificial And Natural Gas Pipe Lines, Waring Mikell Jan 1933

Some Problems In The Construction Of Artificial And Natural Gas Pipe Lines, Waring Mikell

Professional Degree Theses

"In 900 A.D. the Chinese piped natural gas through bamboo tubes and used it for lighting, and about 1830 artificial gas was carried by three inch wooden pipes in a town in New England. Today there are many thousands of miles of steel pipe bringing gas from Western fields to eastern cities, and many more miles of steel and cast iron pipe for the distribution of artificial and natural gas in the majority of the towns and cities in the United States. This paper will deal with the construction of acetylene welded steel pipe lines, and some of the problems …


The Location, Construction, And Maintenance Of The Rabbit Ears Pass Forest Highway, Julian Greenway Huckins Jan 1933

The Location, Construction, And Maintenance Of The Rabbit Ears Pass Forest Highway, Julian Greenway Huckins

Professional Degree Theses

"The Bureau Public Roads, Department of Agriculture, has jurisdiction over the construction of, and Federal Aid Funds expended on, the Federal Aid Highways thruout the United States, Alaska, and Hawaii. It may not be generally known that the Bureau is also in direct charge of the location, construction, and maintenance of all National Forest Highways under the Department of Agriculture and all National Park Highways under the Department of the Interior. District No. 3 of the Bureau Public Roads, with headquarters in Denver, is composed of the States of Wyoming, Colorado, New Mexico, and the Black Hills Region of South …


Sewage Disposal Improvements At Pontiac, Michigan, Robert William Abbett Jan 1933

Sewage Disposal Improvements At Pontiac, Michigan, Robert William Abbett

Professional Degree Theses

"The existing East Boulevard Sewage Disposal Plant consists of a set of bar screens, a grit chamber, a battery of three Imhoff tanks, eight trickling filter units, of the rotary-distributor type, and three secondary settling tanks. The plant was designed for a population of 52,500 in 1919 by Clarence W. Hubbell, Consulting Engineer. At the present time the plant shows evidence of loading beyond its capacity, the distress of the Imhoff tanks being particularly acute"--Present Sewage Disposal Facilities, page 5.


Problems Encountered In The Development Of An Airport, A. H. Armstrong Jun 1932

Problems Encountered In The Development Of An Airport, A. H. Armstrong

Theses

The progress of a nation and. its transportation facilities have always advanced hand in hand.

Just as it has always beerthe Civil Engineer's problem to develop facilities for other means of transportation, such as roads, harbors, and. railroad terminals, so is it his problem today to build airports.

In presenting the problems encountered in the development of an airport, the writer has considered the airport's place in city and regional planning, as well as the part it plays in air transportation.

An expression of thanks is given to Mr. Wm. S. La Londe, Jr., professor in Civil Engineering at the …


Piles And Pile Driving, Robert W. Van Houten Jun 1932

Piles And Pile Driving, Robert W. Van Houten

Theses

This thesis on the subject of "Piles and Pile Driving" has been written to fulfill one of the requirements for the granting of the degree of Civil Engineer by the Newark College of Engineering. The material contained in this thesis has been gleaned from many books, catalogs, magazines and from the author's own experience. Much still needs to be accomplished in the field of research but this can be done only through the cooperation of the companies who are engaged in this work and have the equipment necessary for making many tests under actual field conditions.

The author wishes to …


Flood Control Measures For Salina, Kansas, Robert Justice Paulette, Guy Robert Scott Jan 1932

Flood Control Measures For Salina, Kansas, Robert Justice Paulette, Guy Robert Scott

Professional Degree Theses

"This thesis is based upon the data assembled and engineering studies made preliminary to the design of a project for the protection of the City of Salina, Kansas, and its environs, from the overflow waters of the Smoky Hill River and Dry Creek, a small stream paralleling the river, and to a lesser extent, from the overflow waters of the Saline River and Mulberry Creek. These data and studies, together with recommendation for the project and preliminary estimates of cost, were included in a report to the City of Salina in October, 1929, prepared jointly by R.J. Paulette, then engineer …


Highway Bridge Design And Construction In Missouri, James Lingan Pasley Jan 1932

Highway Bridge Design And Construction In Missouri, James Lingan Pasley

Professional Degree Theses

"The design and construction of highway bridges is a subject so broad and includes so many different specialized branches of engineering that volumes would be required to discuss the matter in any detail. With this in mind, the writer will attempt to cover in the following paper only a brief outline of the different phases of the work and to show how a number of the special problems are handled by the Bureau of Bridges of the Missouri State Highway Department. The writer, having had seven years experience as detailer, designer, engineer of construction assignments, and chief draftsman with this …


Rainfall-Runoff Studies For Typical Blocks In St. Louis, Frank Leroy Flynt Jan 1932

Rainfall-Runoff Studies For Typical Blocks In St. Louis, Frank Leroy Flynt

Professional Degree Theses

"The following paper may be considered as a progress report on one phase of a study, now being made by the writer, of the rainfall and runoff records which have been collected over a long period of years under the direction of Mr. W. W. Horner, Chief Engineer of Sewers and Paving of the City of St. Louis. The mass of data which has been collected during this time is of considerable volume and even the information applicable to the single phase of the investigation discussed in the following pages, which is the runoff from typical city blocks, has not …


The Public Health Engineer's Part On A Health Program, Walter Eric Casey Jan 1932

The Public Health Engineer's Part On A Health Program, Walter Eric Casey

Professional Degree Theses

"In this work the Public Health Engineer should not be confused with the Sanitary Engineer as the term is commonly used today. The Sanitary Engineer is primarily a designer or builder. He is, in fact, a civil and hydraulic engineer specializing in a rather restricted field, confined for the most part to works relating to municipal water supply and sewage. The Public Health Engineer on the other hand is primarily a student and worker in the field of public health. The range of his activities is wider, and his training and knowledge are of essentially different character. It is not …


Preparation And Use Of Maps For Highway Purposes, Homer A. Hollingshead Jan 1932

Preparation And Use Of Maps For Highway Purposes, Homer A. Hollingshead

Professional Degree Theses

"The Illinois highway system consists of about 10,000 miles of primary (state) roads, and 20,000 miles of secondary (county) roads.

The preparation of plans for a primary and secondary highway system of such size is an obvious step prior to construction and maintenance.

In order to coordinate administration, location, surveys, right of way, construction, maintenance, traffic, legal and political activity, maps of various scales and types are required.

This treatise will consider the types and classes of maps used by the state of Illinois for the purposes mentioned"--Part I.


A Study Of Water Supply Districts In St. Louis Where Excessive Waste Of Water Has Occurred, Randall Anthony Scheer Jan 1932

A Study Of Water Supply Districts In St. Louis Where Excessive Waste Of Water Has Occurred, Randall Anthony Scheer

Professional Degree Theses

"The City of St. Louis contains within its city limits, according to the latest census, 870,000 people. The City is supplied with filtered water from two sources, one on the Mississippi River at the Chain of Rocks and the other on the Missouri River at Howard Bend. This water is distributed to consumers through 1,170 miles of water pipe and 147,912 service taps. Included in this distribution system are 14,334 fire hydrants and 16,884 valves. Every pipe joint, every fire hydrant, every valve and every plumbing fixture is a potential source of leakage, and it has become necessary to develop …


Investigation Of Continuous Beams With Varying Moment Of Inertia By The Method Of Conjugate Points, Russell Arthur Bryant Jan 1932

Investigation Of Continuous Beams With Varying Moment Of Inertia By The Method Of Conjugate Points, Russell Arthur Bryant

Professional Degree Theses

"This design represents the application to a practical example of a rapid and direct graphic solution of the relation expressed by the Theorem of Three Moments. This method for obtaining moments in continuous beams eliminates the necessity of using arbitrary coefficients and gives the engineer an opportunity to exercise his ingeniuty [sic] and judgment toward obtaining efficiency and economy. The use of prescribed coefficients for continuous beams makes the design mechanical and unscientific and results in moments which may be 50% too small or 60% too large"--Introduction, leaf 1.


Stress Investigation And Design Methods For Composite Beams Consisting Of Concrete Slabs On Steel I-Beams, Hjalmer T. Person Jan 1932

Stress Investigation And Design Methods For Composite Beams Consisting Of Concrete Slabs On Steel I-Beams, Hjalmer T. Person

Electronic Theses and Dissertations

The term, reinforced concrete, as generally used, is applied to that type of construction in which steel rods are imbedded in concrete members. In these members the steel and concrete are considered to act as a unit and both are assumed to be effective in developing the resisting moment of the beam.


Investigations Of Diversion On The Lower Mississippi River, Elmer John Sperling Jan 1932

Investigations Of Diversion On The Lower Mississippi River, Elmer John Sperling

Masters Theses

"The purposes of this investigation were severally as follows: (a) To determine the feasibility of digging pilot channels to scour out channels through the Beouf and Atchafalaya basins of sufficient size to handle the project flows contemplated for these basins in time of superflood. (b) To determine the best forms of the pilot channels and the best approximate dimensions. (c) To determine velocities conducive to erosion, transportation, and deposition; the manner and rate of enlargement under below-bank, bankful, and overbank flows; and the character of trace to be expected after enlargement of the proposed channels. (d) To investigate any suggested …


A Study Of Influence Line Analysis Of Stresses In A Cantilever Steel Highway Bridge, Lawrence King Snyder Jan 1932

A Study Of Influence Line Analysis Of Stresses In A Cantilever Steel Highway Bridge, Lawrence King Snyder

Masters Theses

"As its name implies, this thesis introduces to the reader the basic conceptions and principles of the use of influence line analysis of the structural theory relating to calculation of stresses in a steel cantilever bridge truss"--Preface, page i.


The Comprehensive City Plan Of Jacksonville, Florida, George W. Simons Jr. Feb 1931

The Comprehensive City Plan Of Jacksonville, Florida, George W. Simons Jr.

City and Regional Planning -- Florida

Jacksonville, Florida

Comprehensive city plan of Jacksonville, Florida. Prepared at the direction of the City Commission of the city of Jacksonville under the guidance and supervision of the City Planning Advisory Board by George W. Simons, Jr. Jacksonville, Fla. : Simons, 1931. Includes Supplement no. 1, Zoning map...of Jacksonville, Florida. Map of Jacksonville, Florida and vicinity...1928. (Maps in oversize map box 19). PALMM.


Some Of The Difficulties Encountered In The Construction Of A Highway Subway Or Underpass, Lawrence Halley Sanderson Jan 1931

Some Of The Difficulties Encountered In The Construction Of A Highway Subway Or Underpass, Lawrence Halley Sanderson

Professional Degree Theses

"The project from which the subject for this work is taken is located in Section 28, T 13 N, R 11 W, of the third P. M., Scott County, Illinois, within the village limits of Manchester, in the north east part of the town. (Sheet No. 1 of accompanying plans) It is a grade separation between the Chicago and Alton Railway and Route No. 3 of the Illinois system of Highways"--Page 6.


Memorandum: Current Recording And Reporting Of Mortality And Salvage Data, Buildings, C.B. Central Office Equipment, Multiple Private Branch Exchanges, Wilbur Elihu Sheldon Jan 1931

Memorandum: Current Recording And Reporting Of Mortality And Salvage Data, Buildings, C.B. Central Office Equipment, Multiple Private Branch Exchanges, Wilbur Elihu Sheldon

Professional Degree Theses

"The purpose of this memorandum is to describe the methods and forms to be used in recording currently and reporting annually actual additions and retirements of Buildings, Common Battery Central Office Telephone Equipment, and Multiple Private Branch Exchanges, together with the making of certain periodic estimates of future additions and retirements, final dates of retirement, and probable net salvage at final retirement. All of these data are used in connection with the determination of depreciation rates for the classes of plant mentioned"--Section I. General, page 4.


Data For Standard Curve Chord Steel Roof Trusses., William Hewitt Bush Jan 1930

Data For Standard Curve Chord Steel Roof Trusses., William Hewitt Bush

Professional Degree Theses

"In the past the Engineering Department of the structural steel company, by which the writer is employed, has been troubled with having to make a large number of preliminary steel truss designs for the purpose of estimating weights for competitive bids on structural steel building contracts. In order to eliminate this expenditure of time, a study was made of the possibility of making a standard design for curved chord steel roof trusses that would give the desired information by observation"--Truss Design, page 5.


The West Side Sewage Treatment Works Of The Sanitary District Of Chicago, John Edwin Mccauley Jan 1930

The West Side Sewage Treatment Works Of The Sanitary District Of Chicago, John Edwin Mccauley

Professional Degree Theses

"Herein following is a thesis on the West Side Sewage Treatment Works of the Sanitary District of Chicago. I have endeavored to cover a large field in one thesis, but think is giving the material I have, the fundamental points have been covered. The local need of sewage treatment is so involved with county, state, Federal, and even International issues that to write solely of local conditions would be to leave out the main part of the story. So, in writing, I have tried to dover enough of the subject to give the historical facts along with the construction side …


The North Side Sewage Treatment Works Of The Chicago Sanitary District, Floyd Allen Gerard Jan 1930

The North Side Sewage Treatment Works Of The Chicago Sanitary District, Floyd Allen Gerard

Professional Degree Theses

"My aim in writing this thesis has been to give a clear and concise picture of the Plant, its construction, operating experiences, results and the need for sewage treatment. For this reason, I have incorporated much information, which, while not dealing directly with the subject in hand, is closely allied to it and forms a very necessary background. As the Sanitary District considers its actual operating results confidential, I have refrained from including them. Much useful information can be derived from a careful study of the photographs and drawings included"--page ii.


A Traffic Survey Of The City Of Sioux Falls, South Dakota, George Everett Thompson Jan 1930

A Traffic Survey Of The City Of Sioux Falls, South Dakota, George Everett Thompson

Electronic Theses and Dissertations

How to control the traffic on the streets of our cities is becoming one of the most important problems of the present day. an urban community depends for its existence upon the transportation facilities both internal and external. The external transportation is necessary for a city's growth because food supplies and raw materials must be brought into the city and the commodities which are produced in the cities must be distributed to other places.


A Study On Concrete Roads, Joaquin H. Hernandez Barreneches Apr 1929

A Study On Concrete Roads, Joaquin H. Hernandez Barreneches

Bachelors’ Theses

There is hardly an institution in existence that is as old and as useful as the road. In fact, it is so old and we are so used to its usefulness that we seldom think of its origin or its history. We take them more or leas for granted.


A Study Of Concrete Roads, Joaquin H. Hernandez Barrenechea Apr 1929

A Study Of Concrete Roads, Joaquin H. Hernandez Barrenechea

Bachelors’ Theses

There is hardly an institution in existence that is as old and as useful as the road. In fact, it is so old and we are so used to its usefulness that we seldom think of its origin or its history. We take them more or lees for granted.