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Articles 36241 - 36270 of 39915

Full-Text Articles in Civil and Environmental Engineering

Phase 1 Inspection Report: National Dam Safety Program. Mississippi - Kaskaskia - St. Louis Basin. Carden Lake Dam, Crawford County, Missouri, Anderson Engineering, Inc., Springfield, Missouri, Hanson Engineers, Inc., Springfield, Illinois Jan 1980

Phase 1 Inspection Report: National Dam Safety Program. Mississippi - Kaskaskia - St. Louis Basin. Carden Lake Dam, Crawford County, Missouri, Anderson Engineering, Inc., Springfield, Missouri, Hanson Engineers, Inc., Springfield, Illinois

Missouri Dam Safety Inspection Reports

This report presents the results of field inspection and evaluation of the Carden Lake Dam. It was prepared under the National Program of Inspection of Non-Federal Dams.


Ole Miss Engineer 1980 Jan 1980

Ole Miss Engineer 1980

Ole Miss Engineer

No abstract provided.


The Limnological Status Of Lake Mead And Lake Mohave Under Present And Future Powerplant Operations Of Hoover Dam, Larry J. Paulson, John R. Baker, James E. Deacon, U.S. Water And Power Resources Service Jan 1980

The Limnological Status Of Lake Mead And Lake Mohave Under Present And Future Powerplant Operations Of Hoover Dam, Larry J. Paulson, John R. Baker, James E. Deacon, U.S. Water And Power Resources Service

Publications (WR)

The ever-increasing demand for energy in the southwest has led to a search for additional sources of power generation. Coal-fired powerplants currently provide most of the baseline energy in the southwest, but this must be supplemented with hydroelectric power during periods of peak demand. In order to provide additional peaking power, the U.S. Bureau of Reclamation is considering a number of projects to modify existing hydroelectric facilities, or add new facilities in the Lake Mead Recreation Area. The Hoover Powerplant Modification Feasibility Investigation was authorized by Congress on December 16, 1975 to determine the feasibility of: (i) adding one or …


Ozonation Of A Municipal Groundwater Supply To Reduce Iron, Manganese, And Trihalomethane Formation, Richard Alan Stoebner Jan 1980

Ozonation Of A Municipal Groundwater Supply To Reduce Iron, Manganese, And Trihalomethane Formation, Richard Alan Stoebner

Electronic Theses and Dissertations

The purpose of this investigation was to determine the feasibility of using ozonation followed by filtration for removal of iron and manganese and prevention of trihalomethane formation. To avoid disruption of the treatment plant operation, pilot-scale units were used in the investigation. The filter media and filtering rates employed during the pilot studies were identical to those used at the East Water Treatment Plant.


Bicycle-Motor Vehicle Accidents In Kentucky, Kenneth R. Agent, Charles V. Zegeer, Robert C. Deen Jan 1980

Bicycle-Motor Vehicle Accidents In Kentucky, Kenneth R. Agent, Charles V. Zegeer, Robert C. Deen

Kentucky Transportation Center Research Report

The purpose of this study was to determine the characteristics associated with bicycle related, motor-vehicle accidents in Kentucky. It was found that cyclists 10 to 14 years of age were involved in the largest number of motor-vehicle related accidents. Males were involved in four times as many accidents a s females. Most accidents occurred in urban areas, mostly on residential streets. The majority of accidents resulted from errors by the cyclists. The most common type was the right-angle accident, but the leading types varied with cyclist's age. Several factors were related to age and accident severity. The accidents were summarized …


Evaluation Of Legibility Of Reflectorized License Plates, C. Earl Israelsen, Ronald V. Canfield Jan 1980

Evaluation Of Legibility Of Reflectorized License Plates, C. Earl Israelsen, Ronald V. Canfield

Reports

The rainfall simulator at the Utah Water Research Laboratory, Utah State University, Logan, Utah, was utilized in evaluating various types of license plates. This unique facility enables the production of controlled uniform rainfall inside the laboratory. For this experiment, rainfall rates of 0" (dry), 1/2" and 2" per hour were used to compare reflective performance of reflective sheeting (RS), beads-on-paint (BOP), and new paint (NP) license plates under dark nighttime conditions. Both new and used license plates were evaluted. The three types of new plates were made and embossed at the Idaho State Prison using stanard state manufacturing procedures. The …


Evaluation Of The Fhwa Highway Traffic Noise Prediction Procedure (Snap 1) [Jan. 1980], Kenneth R. Agent Jan 1980

Evaluation Of The Fhwa Highway Traffic Noise Prediction Procedure (Snap 1) [Jan. 1980], Kenneth R. Agent

Kentucky Transportation Center Research Report

Traffic noise prediction procedures are used in the design of new highways to determine if noise is limited to specific levels. A previous study evaluated the procedure outlined in NCHRP Report 117 and developed a correction factor which was incorporated into Kentucky's noise prediction procedure. This adjusted NCHRP 117 procedure has been used in Kentucky for the past several years. The Federal Highway Administration has developed a new procedure to predict traffic noise levels. The objective of this study was to evaluate the new prediction procedure, designated as SNAP 1.

Comparisons of measured and predicted noise levels showed that predictions …


Occurrences Of Expansive Limestone In Kentucky, Ralph G. Coy, James H. Havens Jan 1980

Occurrences Of Expansive Limestone In Kentucky, Ralph G. Coy, James H. Havens

Kentucky Transportation Center Research Report

No abstract provided.


Rutting Models For Asphaltic Concrete And Dense-Graded Aggregate From Repeated-Load Tests, David L. Allen, Robert C. Deen Jan 1980

Rutting Models For Asphaltic Concrete And Dense-Graded Aggregate From Repeated-Load Tests, David L. Allen, Robert C. Deen

Kentucky Transportation Center Research Report

The development of models to predict rutting in the asphaltic concrete and dense-graded aggregate layers of flexible pavements is reported. The models were developed from data obtained from repeated-load triaxial tests. Details of equipment and methodology are reported.

An asphaltic concrete base mixture was tested at temperatures of 45 F, 77 F, and 100 F. Longitudinal stress levels of 20 psi, 50 psi, and 80 psi were used. The tests were performed unconfined. Most of the specimens were tested to 10,000 cycles of loading. Three sequences of loading were used.

It is noted that temperature and stress level are extremely …


The Effect Of Truck Design On Pavement Performance, Robert C. Deen, Herbert F. Southgate, Jesse G. Mayes Jan 1980

The Effect Of Truck Design On Pavement Performance, Robert C. Deen, Herbert F. Southgate, Jesse G. Mayes

Kentucky Transportation Center Research Report

When work is done on some materials systems, their internal geometric states are altered in such a way that they have the potential to "give back" work when the force is removed and the system returns to its original configuration. This stored energy is called strain energy. Strain energy density (strain energy per unit volume) is a function of the Young's modulus of elasticity and Poisson's ratio and the nine strain (or stress) components; but it is independent of the coordinate system. Material properties are input into the Chevron N-layer computer program to calculate the strain components.

Having calculated the …


Ecosystem Management Of The Missouri River From Gavins Point Dam To Ponca State Park, Nebraska, Robert S. Nebel Jan 1980

Ecosystem Management Of The Missouri River From Gavins Point Dam To Ponca State Park, Nebraska, Robert S. Nebel

Biology Faculty Publications

•Authorized by a 1978 amendment to the National Parks and Recreation Act (PL 95- 625) which amended the Wild and Scenic Rivers Act of 1968 (PL 90-542)

• Corps is authorized to construct recreational development, bank stabilization, and other recreational river features as necessary to support the values for which the river was designated

• Life-of-project funding ceiling of $21 million; approximately $3.2 million spent to date

• The Corps and National Park Service signed a 1980 Cooperative Agreement outlining each agency's responsibilities

• The General Management Plan has recently been updated (1999) with an environmental emphasis


Missouri National Recreational River Management Plan Gavins Point Dam, South Dakota, To Ponca State Park, Nebraska Jan 1980

Missouri National Recreational River Management Plan Gavins Point Dam, South Dakota, To Ponca State Park, Nebraska

United States Army Corps of Engineers, Omaha District

The Missouri River begins at Three Forks, Montana, and flows southeasterly for 2,300 miles before joining the Mississippi River a few miles north of St. Louis, Missouri.  It ranks as the second longest and is one of the most famous rivers in the United States.  It was the primary route of Lewis and Clark.  The river shared with the Oregon Trail and the Santa Fe Trail the distinction of being one of the three main throughfares to the Far West.  It was a wild and unpredictable river that carried millions of pounds of freight.

Waters of this mighty river are …


Phase 1 Inspection Report: National Dam Safety Program. Mississippi - Kaskaskia - St. Louis Basin. Ditch Creek Dam, Washington County, Missouri, Woodward-Clyde Consultants, Chicago, Illinois Jan 1980

Phase 1 Inspection Report: National Dam Safety Program. Mississippi - Kaskaskia - St. Louis Basin. Ditch Creek Dam, Washington County, Missouri, Woodward-Clyde Consultants, Chicago, Illinois

Missouri Dam Safety Inspection Reports

This report presents the results of field inspection and evaluation of Ditch Creek Dam. It was prepared under the National Program of Inspection of Non-Federal Dams.

The inspection results indicate problems with the spillway adequacy. Although the dam is capable of passing the PMF without overtopping, the lack of a proper spillway and discharge channel and the need to pass runoff over a public transportation route (State Highway H) indicates a deficiency at this facility.


Phase 1 Inspection Report: National Dam Safety Program. Mississippi - Kaskaskia - St. Louis Basin. Cadet Mine Tailings Dam, Washington County, Missouri, International Engineering Company, Inc. Consulting Engineers, San Francisco, California Jan 1980

Phase 1 Inspection Report: National Dam Safety Program. Mississippi - Kaskaskia - St. Louis Basin. Cadet Mine Tailings Dam, Washington County, Missouri, International Engineering Company, Inc. Consulting Engineers, San Francisco, California

Missouri Dam Safety Inspection Reports

This report presents the results of field inspection and evaluation of the Cadet Mine Tailings Dam. It was prepared under the National Program of Inspection of Non-Federal Dams.


Phase 1 Inspection Report: National Dam Safety Program. Mississippi - Kaskaskia - St. Louis Basin. Lac Benet Dam, St. Francois County, Missouri, Hoskins-Western-Sonderegger, Inc. Consulting Engineers, Lincoln, Nebraska Jan 1980

Phase 1 Inspection Report: National Dam Safety Program. Mississippi - Kaskaskia - St. Louis Basin. Lac Benet Dam, St. Francois County, Missouri, Hoskins-Western-Sonderegger, Inc. Consulting Engineers, Lincoln, Nebraska

Missouri Dam Safety Inspection Reports

This report presents the results of field inspection and evaluation of the Lac Benet Dam (MO 30281).

It was prepared under the National Program of Inspection of Non-Federal Dams.

This dam has been classified as unsafe, non-emergency by the St. Louis District as a result of the application of the following criteria:

a. Spillway will not pass 50 percent of the Probable Maximum Flood without overtopping the dam.

b. Overtopping of the dam could result in failure of the dam.

c. Dam failure significantly increases the hazard to loss of life downstream.


Phase 1 Inspection Report: National Dam Safety Program. Mississippi - Kaskaskia - St. Louis Basin. Little Indian Creek Dam, Washington County, Missouri, Woodward-Clyde Consultants, Chicago, Illinois Jan 1980

Phase 1 Inspection Report: National Dam Safety Program. Mississippi - Kaskaskia - St. Louis Basin. Little Indian Creek Dam, Washington County, Missouri, Woodward-Clyde Consultants, Chicago, Illinois

Missouri Dam Safety Inspection Reports

This report presents the results of field inspection and evaluation of the Little Indian Creek Dam (MO 30718).

It was prepared under the National Program of Inspection of Non-Federal Dams.

This dam has been classified as unsafe, non-emergency by the St. Louis District as a result of the application of the following criteria:

a. This dam retains less than 50 percent of the Probable Maximum Flood without overtopping the embankment.

b. Overtopping of the embankment could result in failure of the dam.

c. Dam failure significantly increases the hazard to loss of life downstream.


Phase 1 Inspection Report: National Dam Safety Program. Mississippi -St. Francis Basin. Nims Lake Dam, Washington County, Missouri, Woodward-Clyde Consultants, Chicago, Illinois Jan 1980

Phase 1 Inspection Report: National Dam Safety Program. Mississippi -St. Francis Basin. Nims Lake Dam, Washington County, Missouri, Woodward-Clyde Consultants, Chicago, Illinois

Missouri Dam Safety Inspection Reports

This report presents the results of field inspection and evaluation of Nims Lake Dam, Missouri Inventory Number 30064.

It was prepared under the National Program of Inspection of Non-Federal Dams.

This dam has been classified as unsafe, non-emergency by the St. Louis District as a result of the application of the following criteria:

a. Spillway will not pass 50 percent of the Probable Maximum Flood without overtopping the dam.

b. Overtopping of the dam could result in failure of the dam.

c. Dam failure significantly increases the hazard to loss of life downstream.


Traffic Speed Report No. 111 : Interim Report, Richard Philip Guenthner, George K. Stafford Jan 1980

Traffic Speed Report No. 111 : Interim Report, Richard Philip Guenthner, George K. Stafford

JTRP Technical Reports

No abstract provided.


Determination Of Contract Time Durations For Ishc Highway Construction Projects, James E. Rowings Jan 1980

Determination Of Contract Time Durations For Ishc Highway Construction Projects, James E. Rowings

JTRP Technical Reports

No abstract provided.


A Cost Effectiveness Approach For The Evaluation Of Highway Safety Improvements In The State Of Indiana, Taro Kaji Jan 1980

A Cost Effectiveness Approach For The Evaluation Of Highway Safety Improvements In The State Of Indiana, Taro Kaji

JTRP Technical Reports

No abstract provided.


Thin, Applied Surfacing For Improving Skid Resistance Of Concrete Pavements, Charles F. Scholer Jan 1980

Thin, Applied Surfacing For Improving Skid Resistance Of Concrete Pavements, Charles F. Scholer

JTRP Technical Reports

No abstract provided.


Evaluation Of Available Herbicides And Herbicide Mixtures For Control Of Brush And Milkweed Along Roadsides : Interim Report, D. James Morré Jan 1980

Evaluation Of Available Herbicides And Herbicide Mixtures For Control Of Brush And Milkweed Along Roadsides : Interim Report, D. James Morré

JTRP Technical Reports

No abstract provided.


A Study Of Mechanical Degradation Of A Coarse Aggregate Subject To Repeated Loading, Mark Alan Roenfeldt Jan 1980

A Study Of Mechanical Degradation Of A Coarse Aggregate Subject To Repeated Loading, Mark Alan Roenfeldt

Masters Theses

"This investigation concerns itself with the problem of mechanical degradation of a coarse aggregate and specifically as it is used as railroad ballast. Laboratory tests were used to study the aggregate with respect to its plastic deformation characteristics, the amount of degradation, changes in gradation, and the rate of change of degradation as a function of the number of load cycles.

The repeated load triaxial tests were used to study how degradation occurs with respect to aggregate gradation, relative density, and the number of load applications. The Los Angeles abrasion test was also used to determine the degradation of the …


Analysis Of Hardened Concrete For Admixture Content, William Lee Dolch Jan 1980

Analysis Of Hardened Concrete For Admixture Content, William Lee Dolch

JTRP Technical Reports

No abstract provided.


Use Of Synthetic Demand Modeling Techniques In Transportation Planning For Small Urban Areas In Indiana, Kumares C. Sinha, Hani S. Mahmassani, James Robert Mekemson, Edward Wilson Hanscom Jan 1980

Use Of Synthetic Demand Modeling Techniques In Transportation Planning For Small Urban Areas In Indiana, Kumares C. Sinha, Hani S. Mahmassani, James Robert Mekemson, Edward Wilson Hanscom

JTRP Technical Reports

No abstract provided.


Traffic Speed Report No. 112 : Interim Report, Richard Philip Guenthner, George K. Stafford Jan 1980

Traffic Speed Report No. 112 : Interim Report, Richard Philip Guenthner, George K. Stafford

JTRP Technical Reports

No abstract provided.


Traffic Speed Report No. 113 : Interim Report, Richard Philip Guenthner, George K. Stafford Jan 1980

Traffic Speed Report No. 113 : Interim Report, Richard Philip Guenthner, George K. Stafford

JTRP Technical Reports

No abstract provided.


The Prediction Of The Freeze/Thaw Durability Of Coarse Aggregates In Concrete By Mercury Intrusion Porosimetry : Interim Report, Meredith Nickels Lindgren Jan 1980

The Prediction Of The Freeze/Thaw Durability Of Coarse Aggregates In Concrete By Mercury Intrusion Porosimetry : Interim Report, Meredith Nickels Lindgren

JTRP Technical Reports

No abstract provided.


Evaluation Of Several Maintenance Methods For Continuously Reinforced Concrete Pavements, Eldon J. Yoder Jan 1980

Evaluation Of Several Maintenance Methods For Continuously Reinforced Concrete Pavements, Eldon J. Yoder

JTRP Technical Reports

No abstract provided.


An Investigation Of Recycling Bituminous Pavements, Volume 1 : Interim Report, James L. Mckinney Jan 1980

An Investigation Of Recycling Bituminous Pavements, Volume 1 : Interim Report, James L. Mckinney

JTRP Technical Reports

No abstract provided.