A Dam for a Dam
The General Electric (GE) Dam in Minneapolis, Minnesota, was more than a century old when it began leaking excessively in December 1998. Operations staff for the dam owner—the Minneapolis-based...

Saving Saluda
One of the largest roller-compacted-concrete berms in the United States will stand sentinel in case South Carolina's Saluda Dam undergoes liquifaction in response to strong...

Optimization of the Operation Rules of Multipurpose Multireservoir Systems; New Approach
In recent years Iran is ranked 4th among countries having the highest number of dams under construction on her hydrosystems. This has called for...

Dam within a Dam
A routine inspection of the Rock Run Dam, an 84-year-old Ambursen-type structure in Chester County, Pennsylvania, revealed major stress cracks and water stains on the inside face of the...

Revised Operation of a Dam and Reservoir to Achieve Environmental Objectives
Alamo Dam and Lake are located in the State of Arizona in the western part of the United States of America. The dam is located 62.8 km (39 mi) upstream (east) from the rivers confluence...

Sedimental Journey
A numerical shoreline evolution model was used to examine the shoreline changes associated with the release of 2.3 million m³ of beach-quality sediment from behind Matilija Dam in Ventura...

Jet Grouting at el Tambor Dam

Redesigning the San Roque Dam
Engineers updated a 20-year-old design for the San Roque Dam in the Philippines to save time and money and improve the dam's ability to withstand earthquakes. The structure...

The Many Faces of RCC
The Chinese government, under an aggressive move to boost its hydroelectric power output, is building an extensive system of dams nationwide. Chinese engineers have developed innovative...

Emergency Warning System for Excavating at the Toe of a Dam

Three Dams, One Reservoir
The three dams that make up the 800,000 acre-ft (987 million m³) Eastside Reservoir in Riverside County, California, required extensive foundation excavation and careful placement of embankment...

Moving Mountains
The earthmoving and rock-crushing operations at the Eastside Reservoir represented one of the largest such projects in the history of the United States. The earth and rock-fill dams required...

Inside Job
River Mill Dam is a large Ambursen (buttress type) dam constructed in 1911 on the Clackamas River in Oregon. The preliminary and final design phase of the seismic upgrade project coincided...

Added Protection
The U.S. Bureau of Reclamation is modifying the 335 ft (102 m) high Casitas Dam in Ventura County, California, to withstand a magnitude 6.9 earthquake. The modification includes strengthening...

Testing the Load (Available in Geoenvironmental Engineering Special Issue only)
The Pittsburgh District of the U.S. Army Corps of Engineers recently began construction of a new gated dam to replace a nearly 100-year-old concrete fixed-crest dam on the Monongahela...

Application of the Texas A&M University (TAMU) Dredging Cost Model to Long Distance Transport
To develop intelligent decisions about moving sediment long distances to the coast from dams, the cost becomes a major factor. The cost will be a function of many factors including cleaning...

Historical Sediment Budget Analysis of the Malibu Coastline
Sediment supply to the Malibu coastline has been continually decreasing since development began in the Santa Monica Mountains in the 1880's due to dam construction for irrigation and recreation,...

Coastal Benefits and Impacts of Dismantling Matilija Dam
A numerical shoreline evolution model was used to examine the shoreline changes associated with the release of 2.3 million cubic meters of beach quality sediment from behind Matilija Dam....

Damn Sand Rights: Removing Rindge and Matilija Dams
Two dams built in the 1920's and 1940's within southern California coastal drainages have reached the end of their useful lives, and their decommissioning and removal is being actively...

Safeguarding Los Alamos
A forest fire that burned 48,000 ac (19,500 ha) around the Los Alamos National Laboratory, in New Mexico, in May 2000, created another problem for one of the nation's most...

 

 

 

 

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