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...

Open Forum on Construction Failures

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...

Wireless Warnings
Formwork failures cause dozens of construction-related deaths per year, but most can be avoided by adequate monitoring. The problem is, most monitors must be hard-wired to a computer on...

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...

Competence or Collapse
Gottshall, the winner of ASCE's Daniel W. Mead Prize for a paper on ethics by younger members, refers to the large-scale damage from recent earthquakes in Turkey as well as...

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...

Bridge Scour Vulnerability Assessment

Scour Evaluations of Existing Bridges

Bridge Scour Evaluation Program in the United States

Bridge Inspections Related to Bridge Scour

Bridge Scour Evaluation Program in the United States

 

 

 

 

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