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Articles 1 - 30 of 133
Full-Text Articles in Engineering
Chronicle: John E Mathews Bridge Edition Presenting The Story Of A Great Achievement, Sam D. Melson
Chronicle: John E Mathews Bridge Edition Presenting The Story Of A Great Achievement, Sam D. Melson
City and Regional Planning -- Florida
Special Edition of the independent weekly Chronicle on the John E. Mathews Bridge, it's planning and construction.
Heat Transfer To Liquid Metals In A Thermal Entrance Region, William B. Harrison
Heat Transfer To Liquid Metals In A Thermal Entrance Region, William B. Harrison
Doctoral Dissertations
The purpose of the present work is to explore analytically and experimentally the heat transfer to liquid metals in turbulent flow within the thermal entrance region of circular tubes having uniform wall temperature. Since liquid metals are characterized by high thermal conductivity, emphasis has been placed on analytical conduction solutions which neglect the contribution to heat transfer that is made by the eddy motion of a fluid in turbulent flow. Three solutions, which differ only in the postulated velocity distribution of the fluid, have been selected for comparison. The postulated velocity distributions are: (l) uniform, (2) parabolic and, (3) velocity …
A Concrete Pavement Without Transverse Joints [Dec. 1952], William B. Drake
A Concrete Pavement Without Transverse Joints [Dec. 1952], William B. Drake
Kentucky Transportation Center Research Report
This project was last reported in January, 1951, or approximately two years ago. Three previous reports have been made. Report No. 2 was dated December, 1949, and Report No. 1 was made July, 1949. A memorandum report (for file only) covering the two 1951 inspections was made in February of 1952.
This road is a section of U.S. 31W in Simpson County designated as FI 239(4). It runs from Sta. 9-11 at the Tennessee State Line to Sta. 311-40 at the south city limit of Franklin (see layout plot). It consists of a 22-foot concrete pavement underlain by 1-1/2 inches …
An Investigation Of Lean Concrete Mixes As Base Courses For Bituminous Surfaces [Dec. 1952], Dave H. Sawyer
An Investigation Of Lean Concrete Mixes As Base Courses For Bituminous Surfaces [Dec. 1952], Dave H. Sawyer
Kentucky Transportation Center Research Report
During the summer of 1950, the Kentucky Department of Highways placed a lean concrete mix for base construction and widening in Montgomery County. This project was a 4.415 mile section of U.S. 60 on the Winchester-Mt. Sterling Road, and was designed as SF 87-117. Four major revisions – three alignment and one grade – were completed on the project thus requiring full-width base replacement of sections of the old pavement with the lean concrete mix.
A Bank Gravel Base Containing Calcium Chloride [Report No. 2], William B. Drake
A Bank Gravel Base Containing Calcium Chloride [Report No. 2], William B. Drake
Kentucky Transportation Center Research Report
Attached you will find our second progress report on "A Bank Gravel Base Containing Calcium Chloride," by W.B. Drake. This project pertains to that portion of the Paducah-Eddyville Road (U.S. 62) extending from Kentucky Dam to Kuttawa. You are quite familiar with the road having visited it in company with Mr. Bray on August 13, this year and I believe most of the members of the Research Committee are familiar with it. Discussions following presentation of Report No. 1 on the project at our meeting last April would have accomplished that, but the road is better known for the number …
A Compendium On Class I, Type C Mixes, Ellis G. Williams
A Compendium On Class I, Type C Mixes, Ellis G. Williams
Kentucky Transportation Center Research Report
Recently the Class I, Type C Surface Mix has been the subject of numerous discussions resulting from present paving operations on Muldraugh Hill (U.S. 31W and U.S. 60) south of Louisville, and from performance of pavements placed heretofore on some Louisville Streets. Apparently, past difficulties have created some doubt about the suitability of Type C surfaces in heavy traffic areas for which it was intended. Type C does not represent the ultimate in stable mixtures, but it should be entirely adequate for the purpose intended.
A Survey Of Acidity In Drainage Waters And The Condition Of Highway Drainage Installations, James H. Havens
A Survey Of Acidity In Drainage Waters And The Condition Of Highway Drainage Installations, James H. Havens
Kentucky Transportation Center Research Report
During the summer of 1949, approximately one year after installation, serious corrosion failures were discovered in a series of galvanized metal entrance culverts on U.S. 60 south of Ashland near Princess. Because of a unique disparity in their performance at this location, the problem was referred to the Research Division for possible explanation. An impromptu investigation ensued, and the cause of the failure was attributed directly to acid drainage water flowing from extensive strip-mining operations within the immediate area. A report (1)* describing the attendant conditions was made to the Research Committee in December of that year.
As an outgrowth …
The Performance Of Cold Mastic Joint-Sealing Compounds And Sawed Joints In Concrete Pavements, Dave H. Sawyer
The Performance Of Cold Mastic Joint-Sealing Compounds And Sawed Joints In Concrete Pavements, Dave H. Sawyer
Kentucky Transportation Center Research Report
Included in this report are observations and data on the performance of various types of crack and joint sealing materials applied to three separate concrete pavements. The factors which are considered pertinent in evaluating the respective conditions of the materials are: length of service, tightness of joint, adherence to the concrete pavement, and ductility. The three materials used on these projects were cold mastic, hot-poured asphalt rubber, and OA-2 cut back with MC-3.
Evaluation Of Traffic Paint In 1952, A. C. Peed Jr.
Evaluation Of Traffic Paint In 1952, A. C. Peed Jr.
Kentucky Transportation Center Research Report
Following the program of in-service transverse stripe evaluation coupled with laboratory study of traffic paint samples submitted by various manufacturers who propose to bid on the Departments paint requirements, field stripes were placed August 19, 1952. For this test stripes were placed in the same general location as that used the two previous years (U.S. 27 south of Lexington at the junction of the concrete and bituminous pavements). Gradings contained herein were made December 27, 1952, and thus represent a somewhat premature five-month evaluation. However, the set of stripes placed in 1951 were scrutinized since they had sixteen months of …
Experimental Investigation Of Secondary Stresses In Gusset Plates, Wallace Samuel Prescott
Experimental Investigation Of Secondary Stresses In Gusset Plates, Wallace Samuel Prescott
Masters Theses
Purpose:
Since it is definitely known that all trussed structures with riveted joints are subjected to secondary stresses, it seemed desirable to investigate the effects of such stress in gusset plates. As previously stated, the term "secondary stresses" as used herein mean those stresses resulting from flexural moments produced in the plane of the truss by the resistance of the joints to free rotation. Therefore, the purpose of this investigation is to study the magnitude and distribution of secondary stresses in gusset plates. Specifically, the purpose is to:
a. Determine the general secondary stress distribution in gusset plates,
b. Determine …
Test 489: Oliver Oc-18, Nebraska Tractor Test Lab
Test 489: Oliver Oc-18, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
Aircraft To Be Used On Agricultural Advisory Work, F L. Shier
Aircraft To Be Used On Agricultural Advisory Work, F L. Shier
Journal of the Department of Agriculture, Western Australia, Series 3
For the first time in Western Australia, an aircraft will shortly be used as an adjunct to the Department of Agriculture's advisory services.
Mr. J. R. M. Wolfe, an advisor on the staff of the Department of Agriculture's North-West Branch, recently took delivery of a canopied Tiger Moth aircraft which he will use for travelling between stations in the Port Hedland district.
Test 487: Cockshutt 50*, Nebraska Tractor Test Lab
Test 487: Cockshutt 50*, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
Test 488: Cockshutt Model 50, Nebraska Tractor Test Lab
Test 488: Cockshutt Model 50, Nebraska Tractor Test Lab
Nebraska Tractor Tests
This report and any related files are made available to the online through the Lester F. Larsen Tractor Test and Power Museum as resources allow. Established in 1998, this museum is located on the University of Nebraska-Lincoln East Campus. It is and appropriately housed within the walls of the historic 1920 Nebraska Tractor Test Laboratory, where the first tractor test was started on March 31st, 1920. Because the pioneer tests became worldwide standards, this location was designated as a Historic Landmark of Agricultural Engineering by the American Society of Agricultural Engineers in 1980, shortly after testing was moved to a …
Test 486: John Deere 50, Nebraska Tractor Test Lab
Test 486: John Deere 50, Nebraska Tractor Test Lab
Nebraska Tractor Tests
EXPLANATION OF TEST REPORT: John Deere 50 TEST A: The manufacturer's representative operates the tractor for a minimum of 12 hours using light to heavy drawbar loads in each gear. This serves as a period for limber up, general observation and adjustments. Adjustments that are permissible include valve tappet clearance, breaker ,point gap, spark plug gaps, clutch and others of a similar nature. No new parts or accessories can be installed without having mention made of it in the report. No data' are recorded during this preliminary run except the time that the engine is operated. BELT HORSEPOWER TESTS TEST …
Test 484: Mccormick Farmall Super M Lpg, Nebraska Tractor Test Lab
Test 484: Mccormick Farmall Super M Lpg, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
Test 485: Mccormick Super W-6 Lpg, Nebraska Tractor Test Lab
Test 485: Mccormick Super W-6 Lpg, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
Test 483: Economy Special, Nebraska Tractor Test Lab
Test 483: Economy Special, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
Test 482: Case La, Nebraska Tractor Test Lab
Test 482: Case La, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
Test 481: Case La, Nebraska Tractor Test Lab
Test 481: Case La, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
Test 480: Case La, Nebraska Tractor Test Lab
Test 480: Case La, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
A Limestone-Calcium Chloride Stabilized Base, William B. Drake
A Limestone-Calcium Chloride Stabilized Base, William B. Drake
Kentucky Transportation Center Research Report
This report is mainly concerned with the calcium-chloride stabilized portion of a combination base. A 4-inch course of waterbound macadam was placed over a 1-inch insulation course overlying an existing traffic-bound stone surface. The next 4 inches of base above, the water bound material consisted of two 2-inch layers of calcium-chloride stabilized limestone of a design not used heretofore by the Department.
Bituminous concrete binder and surface courses laid over the base brought the total mat thickness to more than 11 inches. The surface width was 30 feet, and the length of the project was 1.1 miles.
Although the road …
Test 478: Mccormick Super Wd-6, Nebraska Tractor Test Lab
Test 478: Mccormick Super Wd-6, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
Test 477: Mccormick Farmall Super Md, Nebraska Tractor Test Lab
Test 477: Mccormick Farmall Super Md, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
Head Determinations For Structures On U.S 23 That Are Affected By Raising The Normal Pool Elevation Of Ohio River Lock And Dam No. 30 At Greenup, Kentucky, Eugene M. West
Kentucky Transportation Center Research Report
During a visit to this office on July 3, 1952, Mr. J.O. Cornell requested the assistance of the Hydraulics Section of the Research Laboratory in investigating the possible head to be expected on the drainage structures on U.S. 23, that would be influenced by the proposed raising of the normal pool elevation of Ohio River Lock and Dam No. 30 at Greenup, Kentucky.
In order to better evaluate the head to be expected, I have approached the problem from an analytical standpoint, outlining and comparing the results from three suggested methods. The results of the analysis of the three separate …
The Synthesis Of 2-Aminophenol-4-Sulfonic Acid, Joseph Salvatore Milazzo
The Synthesis Of 2-Aminophenol-4-Sulfonic Acid, Joseph Salvatore Milazzo
Theses
No abstract provided.
Vapor Phase Catalytic Air Oxidation Of P-Cymene, Salvatore Joseph Finelli
Vapor Phase Catalytic Air Oxidation Of P-Cymene, Salvatore Joseph Finelli
Theses
No abstract provided.
Test 475: Mccormick Farmall Super M, Nebraska Tractor Test Lab
Test 475: Mccormick Farmall Super M, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
Test 476: Mccormick Super W-6, Nebraska Tractor Test Lab
Test 476: Mccormick Super W-6, Nebraska Tractor Test Lab
Nebraska Tractor Tests
No abstract provided.
Test 474: Cockshutt 20*, Nebraska Tractor Test Lab
Test 474: Cockshutt 20*, Nebraska Tractor Test Lab
Nebraska Tractor Tests
Department of Agricultural Engineering Dates of test: June 16 to June 24, 1952. Manufacturer: C O C K S H U T T F A R M E Q U I P M E NT L T D . , B R A N T F O R D , O N T A R I O , C A N A D A,