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...
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...
Guidelines for Instrumentation and Measurements for Monitoring Dam Performance
Prepared by the Task Committee on Instrumentation and Monitoring Dam Performance of the Hydropower Committee of the Energy Division of ASCE. This report...
Cap of Concrete
The roof of a new $84 million arena in New Orleans was built using techniques usually seen in tied-arch concrete bridges. The concrete components of the roof carry the large compression...
Dam Breaching: The Rest of the Story
The U.S. Army Corps of Engineers is evaluating the possibility of breaching four dams on the lower Snake River to improve salmon migration. Because significant infrastructure modifications...
Stepwise Flood Routing for Gated Reservoirs and Conjunctive Optimization of Hydroelectricity Income with Flood Losses
A six-stage operation policy for routing of flood hydrographs of return periods from 1.01 year up to the Probable Maximum Flood (PMF) for dams having gated spillways is suggested. The...
Traditional Engineering Takes a Turn for the Future Decommissioning Dams and Restoring Ecological Integrity
(No paper) This paper will address the emerging shift evaluating the true value of dams and the importance of including the costs of the initial construction and investments required for...
Instrumentation of Embankment Dams and Levees
Technical Engineering and Design Guides, as adapted from the U.S. Army Corps of Engineers, No. 26. Whether analyzing data to determine the competency...
For the Duration
The U.S. Army Corps of Engineers developed a new grouting method called duration grouting when constructing the foundations for the Portugues Dam in Ponce, Puerto Rico. The site is marked...
The Arch Bridge Mystery
For some years, concrete from the Manayunk Bridge�a long-idle, spandrel-arch railroad bridge in Philadelphia�had been spalling toward the streets and river below. While a system of nets...
Construction Control for Earth and Rockfill Dams
Technical Engineering and Design Guides, as adapted from the U.S. Army Corps of Engineers, No. 27 This manual provides critical guidance for constructors...
Calendar: Bridges 2000 Calendar
Featured bridges are: Mill Creek Park Suspension Bridge (OH); Coos Bay (McCullough Memorial) Bridge (OR); Gothic Arch (NY); Bidwell Bar Suspension Bridge (CA); Plaza de Espana (Spain);...
Over the Top Concrete
The 60-year-old Tongue River Dam in southeastern Montana is undergoing extensive dam safety and reservoir enlargement modifications. Major features of the project include a 60,000 cfs...
Inviting Trouble Downstream
When dam-building advocates, representing power generation, irrigation and flood control interests, get their project built, flood control ranks third in priority. Soon, development encroaches...
Interest in Deposits (available only in Geoenvironmental Special Issue)
Sediment accumulating in reservoirs worldwide is gradually reducing storage capacity, posing a long-term threat to supplies of drinking and irrigation water. The buildups also highlight...
Rock Dam Revitalization
Sometimes restoring an area to a natural appearance requires a little artificial help. When the city of Longmont, Colo., began creating the St. Vrain Greenway, a park and recreation area...
Rebuilding History
Deterioration of the second-oldest multiple-arch masonry viaduct in the country�in Canton, Mass.�threatened its ability to continue carrying Amtrak's Northeast Corridor trains,...
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