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Saylorville Spillway: Emergency to Service Spillway
The spillway for Saylorville Lake located on the Des Moines River, 12 miles north of the city of Des Moines, Iowa, a large metropolitan, was designed as an emergency spillway. Due to subsequent...

Rehabilitation of Crescent and Vischer Ferry Dams?Construction Techniques & Problem Solutions
This paper reviews some of the problems encountered during the rehabilitation of the Crescent & Vischer Ferry Dams and the techniques used to comply with strict water level regulations...

Michigan Dam Safety Inspection
This paper describes the new dam safety act which took affect in Michigan in 1990. This act provides for regular inspection of almost 900 dams in Michigan that meet the size and storage...

Software Applications for Monitoring Instrumentation Data
The initial program for reducing instrumentation data, used by the Geotechnical Branch of the Louisville District Corps of Engineers, was written in 1969. This program did not allow for...

Twin Lakes Enlargement and Rehabilitation
The Twin Lakes Enlargement and Rehabilitation Project involves an enlarged embankment replacing a two-tiered reservoir system with a single, larger-volume reservoir and new appurtenances....

Rehabilitation of Plane Nine Dam
Plane Nine Dam, an earthen water supply dam near Altoona, Pennsylvania, was constructed in 1907. The dam performed satisfactorily for more than 80 years but it deteriorated with time and...

Remedial Works at Troneras and Miraflores Dams in Colombia
The 38 m high Troneras and the 55 m high Miraflores earth dams were built in the period 1959-1965. The dams are composed of residual soils and founded on a deep residual overburden. Significant...

Rehabilitation of a Toe Drain
Old or improperly designed toe drains can cause trouble for embankment dams. Toe drains installed without proper filtering can provide an easy course for internal erosion and piping of...

Evaluation and Rehabilitation of Relief Wells
The U.S. Army Engineer District, Vicksburg has developed an expedient method of rehabilitating arrays of large numbers of gravity flowing relief wells located along the toe of dams using...

Liquefaction Potential Leads to Dam Reconstruction
Results of a visual inspection of the Dundee Dam conducted in 1982 revealed the presence of seepage on the downstream toe of the left embankment. Subsequent subsurface explorations and...

Stability of Embankments, Fills and Structures at the Bad Creek Project Under Static and Dynamic Loading
Duke Power was faced with the problem of using explosives to assist in removing a sensitive, saturated embankment cofferdam supported on a large rock plug. The first phase of the work...

Trial Lake Dam Reconstruction
Trial Lake Dam is located in the Uinta National Forest in Central Utah at an elevation of about 10,000 feet. The dam is 50 feet high and stores 1,700 acre-feet of water for downstream...

Sedimentation Pond Removal in Eastern Ohio Coal Mining
Due to the large number of sedimentation ponds used in surface coal mining, efficient, economical, and environmentally acceptable methods for sedimentation pond removal and reclamation...

Seismic Safety Modification of an Old Earthfill Dam
Chollas Dam was built as a water supply reservoir for the City of San Diego. The reservoir is no longer a part of the municipal water system but has been operated since 1966 as a recreational...

Use of Shotcrete on Recent Tunnel Projects in the South and East, USA
Shotcrete and rockbolts are now the primary method of ground support for the majority of rock tunnels in America. This paper describes the use of shotcrete and some of the shotcreting...

Geometric Design Projects for Highways
An Introduction
This book provides an introduction to geometric design of highways by means of examaples and projects that emphasize basic specifications, approaches to preliminary route selection, alignment,...

Recycled Roads
The movement to recycle wastes in highways appears to be gathering momentum nationwide. Rubber from old tires, wood chips, reclaimed asphalt pavement, fly ash, scrap plastic, mining wastes...

MASSPORT Modernization
Construction began last fall on the Massachusetts Port Authority (MASSPORT) upgrade of the 50-year-old Paul W. Conley Terminal in Boston. When completed in 1994, this timber-pile-supported...

Driving Under a Construction Site
Throughout the summer of 1992, vehicles passed unimpeded through one of the most heavily traveled intersections in Los Angeles County as construction proceeded on a concrete light-rail...

Motivating Technical Employees
The traditional methods of motivating employees�offers of higher pay and better perks�often fail to inspire technical employees, leaving their managers scratching their heads. But a review...

 

 

 

 

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